Heil ess speakers

Heil ess speakers. These speakers are in overall excellent condition including extra clean real solid wood veneer cabinets freshly oiled, freshly refoamed ATTN: LISSNR - - Yes!! As you read above, I just rebuilt my ESS Tempest LS-5's with two new 10" woofers and two new 10" passive radiators I was chatting with Eric from Orange County Speaker (and repair) Inc. Because if the woofer is capable of running in a sealed configuration, the volume requirements of that woofer usually drop. We'll be glad to help you select the proper Professional and Consumer Equipment for your needs! Get the best deal for ESS Vintage Speakers from the largest online selection at eBay. i've noticed there often crops up a confusion between heil ess and the pre-heil older systems like the transtatic which did indeed have transmission line loaded midrange in a cardboard tube venting out the back in addition to the :thmbsp:3 new Models- a new AMT, and a 2 way version of the "rock moniter", with a dipole tweeter, and a book shelf as well. Heil tweeters (air-motion transformers) they still sound absolutely amazing! Speaking of 1e ESS speakers, I saw these listed on Ebay in April of 2020 by a guy in Munich, Germany. Your PS4 are the best of the PS lineup, with the best mids in the bunch. Don't miss the next ESS AMT 3 Rock posted for sale! ESS Heil AMT-1 Speaker Badge Logo Emblems Vertical Sunburst PAIR Free Ship AMT1. Fast & Free shipping on many items! ESS AMT Factory HEIL Speaker Ribbon Diaphragm 689-1109. ESS AMT 1. The ESS AMT 4, in clean, contemporary styling, is the compact, floor-standing system from ESS that employs a full, bi-polar radiating ESS Heil air-motion transformer midrange/tweeter assembly for the open imaging that gained the ESS AMT 1 ESS AMT 1A Speakers Heil Air-Motion Transformer 10 Inch Woofers. ESS is currently having a sale on the "original" Heil AMT's; looks like a great price. ESS 689-1107 Heil AMT Ribbon Diaphragm. ESS Laboratories has been a leader in the audio industry since the mid-1970s providing home speakers and headphones with sound as clear as light™. The speaker company ESS (ElectroStatic Sound), now out of business, started incorporating these drivers in ESS Heil Speakers Model: amt-1a Owners Manual 2 way with 12" active woofer & 12" passive Heil Air Motion Transformer tweeters All original drivers, tweeters and crossovers Speakers are being sold for parts or repair: 12" active drivers; Speakers; HEIL AMT; Headphones; Parts; B-Side; Troubleshooting; Authorized Dealers; Black Friday; 689-2012 ESS Factory 12 Inch Woofer. Visit Kijiji Classifieds to buy, sell, or trade almost anything! Find new and used items, cars, real estate, jobs, services, vacation rentals and more virtually in Canada. By Tamura February 25, 2021 in Speakers, Soundbars and Subwoofers Share More sharing options Followers 0. $18. Audiolab 925 Lincoln Highway Morrisville, PA 19067 T: 800. $200 each, $375 per pair, all four for $725. Apparently a special design for the Euporean market with a special xover that can be reconfigured by the owner. ESS AMT 1A Speakers Heil Air-Motion Transformer 10 Inch Woofers. I will be bi-amping them soon -- looking to go with amp for the Heil and a beefy SS for the lows --let me know if anyone has any suggestions. The Original Great ESS Heil Air Motion Transformer™. This Crossover is mounted with discrete SMD type components. ESS AMT Heil AMT TOTL ESS AMT 1 Tower Speakers ~ Amazing! Opens in a new window or tab. Free shipping on many items | Browse your favorite brands | affordable prices. ESS used some KEF drivers for early speakers (not using Heils IIRC) and then switched to CTS and other fairly off the shelf drivers. Very heavy cabinet- that's the way they made them in the late 70's! Looking for a good home, would make a fantastic surround system. AMT 8. $17. AMT 3 Rock Monitors - RARE Kijiji CA CA$1,200 Oct 18, 2024 willhaben. Plus ESS is on top of their game in the customer service dept messaging me through Facebook Chat (and have a knob I needed). This unprecedented loudspeaker introduced the revolutionary ESS Heil air-motion transformer to high fidelity sound reproduction and achieved immediate acclaim world-wide as the major advance in loudspeaker design of the decade. 2020-03-07 7:35 pm #5 2020-03-07 7:35 pm #5 Help me Dave are the red cabinets open on the back, or is there another speaker on the back? What makes the red ESS AMT 3 Rock Monitor 3-Way Heil Air Motion 4-Ohm Floor Standing Speakers w/ Original Packing Boxes. I have a pair of Heil tweeters and matching crossovers from a pair of ESS AMT 5a speaker's I recently on decommissioned. Reviewed Feb 20th, 2021 by . Forums. Type: 3 way, 4 driver loudspeaker system. You may remember that I documented the rebuild in another thread. sound incredible. ESS; Loudspeaker; PS8A. Posted February 25, 2021. Or at least the lineup of AMT variants over the years I have a pair of ESS model 10's. $69. Not sure which came first, or if they were produced concurrently, but the Heil Professional uses banana plug connectors and the AMT6 uses 1/4" plug connectors Here's the Heil Professional: View attachment 3010734 And here's the AMT6: View attachment 3010736 For vintage speaker enthusiasts, these ESS Heil Amt 1a speakers have been in my family for ~25 years. For sale a pair of very rare and collectable USA made Ess heil Amt 620 bookshelf with passive radiator on back side, also heavy for their size and very solidly made, real wood veneer with no missing veneer, chips or big gouges. ESS Heil ESS AMT 1 Tower Speakers - Fully restored. ESS; Loudspeaker; AMT 5. My dad just gave me his pair of ESS Heil 1B speakers. Specifications from HiFi Engine Type: 2 way, 2 driver loudspeaker system Frequency Response: 35Hz to 24kHz ESS AMT HEIL Speaker Diaphragm 689-1107. Hand folded, USA Made; Double sided; HEIL Air Motion Transformer; Diaphragm :thmbsp:3 new Models- a new AMT, and a 2 way version of the "rock moniter", with a dipole tweeter, and a book shelf as well. Interesting, but ultimately not the most informative. Regular price $199. Speakers work well, but one woofer will need replacing at it is starting to rip. 00 shipping. Mar 12, 2013 #11 Really nice job on the re ESS had a great exchange program on the woofers, and slabs. Dimensions: 997 x 397 x 403mm. The main issue with th ESS HEIL AMT1, Air Motion Ribbon 16cm, 4ohm. In Stock: $79. I understand how it works in speakers, but not in headphones. Add Original ESS-AMT™ design, treated paper cone, rubber surround; Factory new direct replacement woofer; For sale a pair of very rare and collectable USA made Ess heil Amt 620 bookshelf with passive radiator on back side, also heavy for their size and very solidly made, real wood veneer with no missing veneer, chips or big gouges. 3343 ESS Heil air-motion transformer, the first advance in loudspeaker design in fifty years. Highlights. Regular price $ About ESS Up until receiving a review sample of the RLM-713, I had never heard of ESS. 48 sold. 3343 ESS AMT Speaker HEIL Ribbon Diaphragm Part # 689-1107 ; Original factory ESS Part ; Hand folded, USA made ; Size: 1-9/16" x 5-9/16" (40mm x 141mm) Impedance: 4 ohm, DCR: 3. 0005" thick.   Speaker Grille Covers / Pegs Corners Handles Feet Acousta-Stuf Dishes & Jack Plates Hinges & Latches Pole Mounts Port Tubes Tolex Fuse Holders ESS 689-1107 Heil AMT Ribbon Diaphragm. Or my Ethel Merman Heil Lens is the cure to your Heil woes. " The ESS 6-inch AMT speakers are part of a lineup of audiophile-grade floorstanding speakers that contain the ESS Heil AMT (Air Motion Transformer). (25mm) cabinet size 100x28x30CM These speakers are based on the famous ESS Heil AMT 3 Tweeter (latest generation) and two Satori MW16PNW Demo of my ESS AMT 1 HEiL Air Motion Transformer Speakers with a bit of the Boss. They're wonderful speakers with an elegant appearance. the 10b is outstanding. I designed these 2. 5-way floor speakers with a “Graham Audio†philosophy, which usually mounts its loudspeakers behind the front panels. This is a In this speaker review, Oliver Masciarotte and Kent Peterson (of Warkwyn) listen, measure, and listen again to the PureAudioProject Trio15 Heil AMT speaker system. To compensate for the In its August 2020 edition, Voice Coil featured an article by experienced speaker designer Igor Levitsky, highly recognized in the industry for developing some of the best planar magnetic speaker and headphone drivers for some of the most reputed brands, focusing precisely on this type of technology. Point source aiming, but a big soundstage. Anyone familiar with these ESS speakers. Crossovers and terminals in excellent working condition also included. The passives will be simple. ESS is the only officially licensed manufacturer of AMT Air Motion Transformer technology. ESS Factory Heil Air Motion Transformer AMT Tweeter, AMT-HEIL (SPECIAL ORDER) (4) CONTACT US TO ORDER. Finish: walnut veneer. Heil and ESS hooked up was that the Doctor came into the ESS dealer in San Jose (TV-Audio Center, Inc. I've had larger ESS Amts (12", 10"). Many ESS models, drivers, compression drivers, ESS transformers and parts Yes, that's why ESS chose to either run a sealed cabinet, or a "resistive" cabinet. This is fused with a 3ag one amp fast blow fuse. 16 watchers. Used – Very Good. 7%. re: AMT 3 . Speakers; HEIL AMT; Headphones; Parts; B-Side; Troubleshooting; Authorized Dealers; Black Friday; 689-2012 ESS Factory 12 Inch Woofer. I have a pair of Heil Elites which is just a Heil and a crossover used as an add on tweeter. This is a I have an opportunity to acquire a pair of Heil Ess speakers, model ESS PS9A, and was wondering if any of you had had a chance to hear those, and if so what your thoughts It has been specially developed to get the best out of the ESS Heil AMT3 Tweeter. This transducer is part of the very closed circle of loudspeakers made for over thirty years, a legend on its own! Designed in the early 1970s by Dr HEIL (who was responsible for laying the foundations of the field effect transistor), I picked up a pair of these recently. Description. Transformers were professionally reconed. Hear today's standard for yourself. Tweeter: heil air motion transformer. The 12" woofer doesn't go high enough in frequency to 'meld I've had larger ESS Amts (12", 10"). I was still living at home so we spent many hours listening to Pink Floyd. 1975 ESS Heil AMT Speaker 1-Page Color Magazine Ad. I wrote to ESS yesterday afternoon about the speakers. ILS 3,412. 24 watching. Oskar Heil. 5625 x 2. They’ve implemented a version of it into the headphones, although I don’t quite understand it fully. Original factory ESS part; Hand folded, USA Made; Double sided; HEIL Air Motion Transformer; Diaphragm: Original Silver Mylar pleated ribbon; This is NOT the generic mylar version that others sell; Size: 1. SleeperSupra Super Member. 513. Shockmaster; Apr 7, 2018; Speakers; Replies 3 Views 350. I’ve also noticed on some model 1s some tweeters look slightly different from others. Elksonic I've owned many ESS speakers over the years and the AMT Monitor Heil AMT Review. Anyway, details in the next post. Apr 8, 2018. Oskar Heil, the ESS Heil Air Motion Transformer (AMT) tweeter uses a folded pleated Mylar diaphragm just 0. 625 , 689-1110. Forum Regular Join Date May 2009 Location Home Of The Fighting Gamecocks I am not even close to an expert on ESS speakers but if you can help me ID these I I bought them in the summer of 2021 to replace a pair of Klipsch Bookshelf/Monitor speakers. Caption: "DC Gold Audio model Fifth Row floorstanders at $24,000 with six 10” woofers and a ESS Heil Air Motion Transformer on top. The original 10 inch ESS woofers are missing and have been replaced with some cheap Dai Chi replacements. In a recent A-B comparison the between the ESS AMT 1A and a pair of Klipsch Fortes. This listing is for one pair of excellent working ESS Heil AMT 1 "Air Motion Transformer" tweeters. By the way-I found that blocking off the sides of the AMT (Heil) on my AMT 3's is a huge improvement in imaging and The speakers consist of: The Horn speakers $450obo ($925 current new price) The Cube base enhancer with Dayton Audio APA150 crossover/amp $300obo ($575 new) ESS Great Heil $450obo ($700 in 2012) The Horn –> Heil crossover – included free with The Horns ($75 in Erse & Auricap parts) More about the Horns: The laminar finish has striped lines Interesting! looks like on this model the Heil was set up as a dipole but mounted on the baffle with the woofer and passive radiator. Speakers; High range; HEIL I tweeter à ruban; HEIL I ribbon tweeter - 4 of ESS brand. ESS Bookshelf Heil Speakers PS8A 1978 Walnut $245 39% Feb 14, 2021 Kijiji CA Very rare vintage ESS Blue Ox stage speakers Kijiji CA CA$2,500 17% Jul 7, 2022 US Audio Mart FOR SALE or TRADE: ESS AMT 1b Speakers US Audio Mart $750 9% Jun 20, 2024 Canuck Audio Mart ESS PS8A Stereo About ESS Up until receiving a review sample of the RLM-713, I had never heard of ESS. They were all designed by Pacific Stereo and manufactured by ESS, and were all two-way with a Heil AMT tweeter, 10-12" woofers and 10" passive radiator. The Fortes lost! Find ess speakers ads in our Speakers category. Combined with this sturdy attractive column is the heritage of ESS transmission line design, now integrated with the unapproachable accuracy of the revolutionary ESS Heil air-motion transformer to create a new tradition of excellence. Højttaler, ess amt-1, amt 8, perfekt, et sæt vintage ess heil amt model 8 ls5 ls8 tempest ribbon tweetere. These are terrific speakers for home or studio. 7 ohm Report an issue with this product or seller. ESS AMT-1 Speakers. For vintage speaker enthusiasts, these ESS Heil Amt 1a speakers have been in my family for ~25 years. Listing ID: lisb9j9b Classified Listed May 23, 2024 5:05pm · 1153 Views. I've looked for specs but think I read the overall response is approx. 511. JPG. CDS3 is the in-wall version of the DS3 surround speaker. . " Last edited: Feb 25, 2014. Don't take our word for it that's a new era in speaker performance is dawning Don't even take the critics' word for it that yesterday's high fidelity standards cannot be applied to the ESS Heil air-motion transformer. Oskar Heil, is without equal in accurate sound production and destined to To carry the extreme definition of the ESS Heil air-motion transformer into the lower frequencies, a powerful six-inch driver, Original ESS 6 inch speakers can be found and Austin Speaker Works in Tx can restore to new shape. The sound very good; the veneer needs some work but the speakers are in pretty decent condition besides a small crack in the foam of one woofer. Unlike a normal piston loudspeaker that excites the air by alternately pushing and pulling a cone or dome, the Heil Air Motion Transformer linearly squeezes and expands its diaphram. If you need the best advice, contact Porkloin who commented below. When I bought these, I went digital at the same time-so they where a real eye/ear opener. After this series, they dropped all protective devices. For speaker repair. 75"W x 9. Joined 2017. These are my ESS Transar/atd speakers designed by Dr. The ESS Heil power-ring tweeter has a miniaturized sixteen-fold diaphragm Well thank you guys - happy to report I picked the speakers yesterday. csconthego (2,127) 99. Member. Daytons or the like are fine as well. There is a nice ESS owners group page on Facebook as well. 9375, 689-1111. ESSPR-10: ESS Factory 10″ GRAY, FLAT DISC PASSIVE RADIATOR. Crossover calculations (e. D. Available in a limited edition, these new recreations feature the same crystal-clear sound driven by a HEIL Air Motion Transformer III and HEIL AMT Brilliance Control Read More Too bad the ESS site is defunct, it would be nice to see a history lineup of the speakers they made over the years. 35. ESS AMT 1D Air Motion Transformer System Speaker. 26 sold. Browse our daily deals for even more savings! Free shipping on many items! Single ESS Heil Speaker, Flat Plate Type. Onkyo-Takamine D-TK10 speaker | Sonic Frontiers (Anthem) SFS-80 ESS Heil AMT 4 Speakers Vtg 1 Owner All Orig Walnut Veneer Floor Standing Pair. ESS AMT Factory HEIL Speaker Ribbon Diaphragm 689-1109 (3) Out of Stock. S. A guy named Dr. As well as many others. I’ve done some research but seem to come up short on info about which Heil tweeters these are. Looking at the ESS service manual, it appears the 4lbs of stuffing per speaker, were in large part a attempt to reduce cabinet resonance. ILS 3,033. They pioneered that tweeter! Look at the very well respected speaker manufacturers who have a version of whats called and known as the "ribbon" or "folded tweeter" and how well they are selling! Legacy speakers have a version of it, as well as GoldenEar speakers, just to name a few. They are generic videos, but apply to the ESS woofers. Add to cart Original ESS-AMT™ design, treated ESS Genuine Factory HEIL AMT II Medium Speaker Ribbon Diaphragm, 1. 47Hz-20kHz ±2dB. ESS Speakers. 02. The tweeters are working and sound phenomenal (even rivaling the clarity of my significantly more expensive Hyperions), but the previous owner replaced the OEM ESS woofers with some inexpensive On the front is a 6. Diaphragms, ESS. The Heil tweeter does not harden up when the going gets tough, and the SEAS magnesium mid/bass drivers similarly remain clean and unruffled at the big Focal and Naim Debut Diva Utopia: A Fully Active, Wireless, High-End Loudspeaker Lands in the US. Downloads. Get the best deals on ESS Vintage Speakers when you shop the largest online selection at eBay. I had some expensive speakers over the years and the Heil Air Motion Transformer is still beating the spec's and providing more ear pleasing reproduction than most everything that's been Why would this goldwood speaker be better than the ess direct replacement etc. After having heard the AMT Monitors for years, then I have a nice set of very rare Heil / Criterion 2005 tower speakers. The rear speakers were Bose 901's. 4 ohms (Le)1. Shipping to states in longitude of Colorado, farther west or rural parts of the Midwest will Ess Heil Speakers Very Rare Amt Ps 620 Real Wood veneer $100 29% Aug 16, 2023 Den Blå Avis Højttaler, ess amt-1, amt 8, perfekt, et sæt vintage ess heil amt model 8 ls5 ls8 tempest ribbon tweetere. JBL Vintage Speakers. Within its price class, the 10b is incomparable. I replaced the original speakers with a set of AR woofers that have a wider range of bass response. Not work risking your AMT diaphragm IMHO. 18 watching. 76. They have the legendary Heil Air Motion Transformer tweeters for amazing mids and highs. gonzomeep; Mar 20, 2007; Dollars and The early to mid 70s ESS Heil speakers were all fused. For sale is a very rare pair of vintage ESS AMT4 home audio speakers. Wow, it's ESS week in the speaker section,lol. I'm a longtime fan (and critic-- that goes with the fandom) of the Heil driver and have owned ESS/Heil systems of one sort or another since 1976. For sale is a Pair of Vintage ESS Tempest LS 8 2-Way Heil Floor Speakers; Tested. I am not even close to an expert on ESS speakers but if you can help me ID these I would appreciate it. Fast & Free shipping on many items! ESS HEIL AMT-10B WOOFER W/SCREWS - WORKS - PARTING OUT. photo too big . It seems clear that we will see more and more But with your speakers, you have an small heil tweeter crossing over to a 10" woofer with no midrange driver yet I don't hear Mind you, this is a young woman (33; we've been married 14 years; I'm 34) who likes big speakers, and who likes my ESS AMT Monitors and AMT-1a. at ESS Amt-3 Crossovers willhaben. The ESS AMT-1C model speakers fit right into that group, and at today's price for a used set, are a killer bargain if you can find someone willing to part with theirs! The ESS Great Heil driver is still being made, and will set you back around $700 or The Heil is the most revolutionary loudspeaker development of the past half-century, recognized throughout the world for its clarity and stunningly realistic sound reproduction. Last edited: Apr 19, 2014. At one point in time I think ESS had a separate in line fuse for the Heil in one of the Monitor or AMT3 cabinets. This particular AMT was used in the ESS PS-820, a vintage speaker that was introduced in the late 80s. Buy it with. Although a number of speaker manufacturers use Heil AMT drivers, only one company has the rights to use the name of the Specifications. He seemed to know alot about ESS and thought the ESS Heil was better than other versions of the Heil he had heard. Buy and sell almost anything on Gumtree classifieds. Feb 26, 2014 #19 removed. A good sized ported bookshelf speaker with some sort of dome tweeter and a ten inch woofer. ESSPR The ESS speakers have remarkable dynamic ease. By the way-I found that blocking off the sides of the AMT (Heil) on my AMT 3's is a huge improvement in imaging and ESS AMT Factory HEIL Speaker Ribbon Diaphragm 689-1109 (3) Out of Stock. Also comes with new exact match to the OEM style a Jet-black speaker The ESS AMT-1 is a beast of a high frequency transducer, Both pushed teh Heil XO higher. For me, that was the death knell of the ESS design. Reviews. Vintage Speakers. F. The ad says its bass reaches down to On the front is a 6. ESS - HEIL Ribbon Tweeters: HEIL AIR MOTION TRANSFORMERS: ESS Heil AMT Air-Motion Transformer™ III. The ad says its bass reaches down to ESS AMT3 and ESS Professional Hi , I am new here and was looking at the posts on the ESS stuff. Great deals on ESS Speaker Woofers. He bought them new at Lomards Stereo in Sacramento. ESS has a larger model, but I can’t imagine you’ll need it unless you have a gigantic room. The Great Heil AMT were not your average speaker, and required more sensitive drivers to keep up with the Heil. Originally $799, now $599 ($200 savings) $799 Original price. at €160 27% Oct 2, 2024 Resources. All the ESS AMT I have been have had 1 or 2 flakey resistors. The speakers have been refoamed, and two speakers have new Heil diaphragms. Price Drop. ML-8. still based on a 1st order Xover 6DB/octave and the SMD crossover developed by MHP which drives the Heil ESS transducers in their latest version. 00. $84. A heil driver sings at 2k and above. ‘dipole’ View FREE Public Profile & Reputation for Marilyn Heil in Melville, NY - Court Records | Photos | Address, Email & Phone | Reviews | Net Worth On February 20, 1939, a Nazi rally took place at Madison Square Garden, organized by the German American Bund. Regular price $189. Frequency Response: 50Hz to 20kHz. 9 and 4. 29 watching. 2020-03-07 7:35 pm #5 2020-03-07 7:35 pm #5 Help me Dave are the red cabinets open on the back, or is there another speaker on It's been years since I've heard an actual ESS AMT speaker, Crossover calculations (e. Recommended Posts. 5 KB · Views: 800 P. He is a wiz with AMT 3 Rocks. Just a lot of chest thumping" I build speakers that ESS should have!!", and the like. Basically rebadged ESS. These speakers are from ESS's Long Beach ESS Genuine Factory HEIL AMT III Speaker Ribbon Diaphragm, 1. The Woofer part is filtered at BG Radia FS 420 for sale. 5 kz with my current Tannoy speakers; - Two, the ESS AMT, 2 way designs were lacking. ESS AMT HEIL Speaker Diaphragm 689-1108. " I believe the cutoff frequencies are something like 1Khz, 1. I was always impressed with the bass performance of the ESS AMT 1 Tower speakers when I heard them at the ESS dealer audio store I worked at in the 70's Home. Originally purchased them in 1981 when I was single and had money. You May Also Like. 50. ESS RLM-713. 00 Sale Quantity. The ESS Heil air-motion transformer, developed and perfected by physicist and musician Dr. but then I started reading the Econowave thread and I was a goner. Onkyo-Takamine D-TK10 speaker | Sonic Frontiers (Anthem) SFS-80 Tube Amplifier I again am the proud owner of ESS Heil AMT-1C speakers. ESS AMT 1C Heil Tweeters - Kapton / Rare. I also used the Great Heil tweeter/mid with 6" woofers, but there were four of them (= to a 15-inch woofer). 5 Khz, switch selectable. derosnopS. The speakers have been great to me, but they are not in perfect condition (they have slight rust on the diaphragms) a Vintage 1975 ESS AMT Monitor Floor Standing Loudspeaker System. 6875" (43mm x 119mm) Discover the ribbon tweeter from ESS: an exceptional speaker ! HEIL I ribbon tweeter - 4 of ESS brand. There are videos from simply speakers on how to re-foam woofers. Poultrygeist. 00 ESS AMT HEIL Speaker Diaphragm 689-1109. These have recently had the surrounds replaced. Speakers; HEIL AMT; Headphones; Parts; B-Side; Troubleshooting; Authorized Dealers; Black Friday; ESS Factory 10″ Woofer 689-1010. Not to high, just 6" or so and enjoy. and I asked him what woofer would best replace and be most compatible with the existing ESS enclosure and passive radiator systemhe gave me a Which ESS speaker was this 2241-AM electronic crossover designed for? It crosses at 800hz, can't find any ESS speaker that crosses this low Home. Thank you for your patience during this time. The LD10LR is $3494/pr, and the AMT is $2495/pr. It is so uncolored throughout its range, so detailed in its transient precision, and so powerful in its dynamic capability t Speakers; HEIL AMT; Headphones; Parts; B-Side; Troubleshooting; Authorized Dealers; Black Friday; Authorized ESS Dealers. dropESS. Get up to 77% off Extra savings Polk Signature Elite ES35 Slim Center Channel Speaker - Hi-Res Audio Certified, Dolby Atmos & DTS:X Compatible, 1" Tweeter & (6) 3" Woofers, Dual Power Port for Effortless Bass Not to mention they single out a single driver-the Great Heil-like it's not part of a working system, blending in with other drivers. To carry the extreme definition of the ESS Heil air-motion transformer into the lower frequencies, a powerful six-inch driver, mounted in an internal transmission Ad Description. Drop: Passions lead here (formerly Massdrop) Attachments. Thanks to Dr. I posted some pictures on various threads on Head-Fi and on Instagram, and no-one who commented seemed to have heard of them either. This should preserve as much midrange from the Heil (a flattened version of the "dual plate" model) as possible, making the crossover (probably at 1500 Hz) to the woofer (is it a 10"?) a bit more graceful, while giving the spatial benefits of a I wrote to ESS yesterday afternoon about the speakers. The way Dr. Great deals on ESS Speaker Parts & Components. But, they are also known for their type of interior structure designs in the Heil Air Motion tech (AMT). Also comes with new exact match to the OEM style a Jet-black speaker Ess Heil Speakers Very Rare Amt Ps 620 Real Wood veneer $100 29% Aug 16, 2023 Kleinanzeigen Dynaudio 30W54 mit ESS Heil AMT Alnico 2 Weg Box Kleinanzeigen €1,998 0% May 13, 2024 SkyFi Audio ESS Heil AMT (Air Motion Transformer) Tweeter Pair - Original! Sale price$490. $9. Price $999. This is the original highly acclaimed ESS Heil Air Motion Transformer invented by Dr. Looks like a smaller version of Great Heil AMT and nicer looking and cheaper than 2019 Drop of similar speaker with only one 6" woofer for $1400/pair. , ESS Heil AMT) . This might have been because they felt they had the diaphragm at an acceptable level of reliability or, I've owned ESS/Heil speakers of various sizes since 1976, but always wanted one with der Grosser Heil, the socalled Great Heil, even though I knew that by today's standards, the amt-1a/b/c/d were, well, just a bit *perverse*. 5" Car Speakers & Speaker Systems, With the ESS AMT, there are two things to keep in mind: - One, the heil driver is phenomenal. 99 ESS AMT HEIL Speaker Diaphragm 689-1108. Subscriber. He's had to replace components on them, but they still. 00 Sale. Awesome highs from ESS's famed tweeters. In Stock: $109. Whatever your taste in music, the choice of an easily accommodated, less expensive speaker system is no longer limited to outmoded acoustic designs. 99 Shipping. They changed to circuit breakers with the AMT 1A, AMT 1A Monitor and AMT 1a bookshelf. S$ 180. 2 mH The speakers consist of: The Horn speakers $450obo ($925 current new price) The Cube base enhancer with Dayton Audio APA150 crossover/amp $300obo ($575 new) ESS Great Heil $450obo ($700 in 2012) The Horn –> Heil crossover – included free with The Horns ($75 in Erse & Auricap parts) More about the Horns: The laminar finish has striped lines Specifications. My Klipsch Heresey speakers have much better highs. ESS AMT 5 Speakers In good condition considering age (almost 50 years old). Quantity. I bought them in the summer of 2021 to replace a pair of Klipsch Bookshelf/Monitor speakers. Hand folded, USA-made Double-sided HEIL Air Motion Transformer Diaphragm: Original silver mylar pleated ribbon This is NOT the generic mylar version that others sell Size: 1, 9/16″ x 5, 9/16″ (40mm x 141mm) Imp Hi amigos, Let me introduce my new DIY floor speakers (2. The new ESS AMT LE 6” Speakers are faithful reproductions of the original AMT 1's: the only compact speakers ever made by the storied ESS brand. Created expressly for use in the AMT 5, this unprecedented tweeter finally allows the absolute purity and exciting transient resolution of an ESS Heil air-motion transformer system to become available in the universally popular and adaptable bookshelf size loudspeaker. VINTAGE SPEAKERS: DCM-TF500 HEIL ESS AMT 5 DYNACO A-25 DYNACO A-35 FIDELLIO RS-2000 ENERGY ENCORE JBL CONTROL PRO REALISTIC Speakers; HEIL AMT; Headphones; Parts; Authorized Dealers; Black Friday; ESS RLM-713. ” I’ve had multiple pairs of PS and AMT line speakers from ESS. Tamura. Frequency Response: 40Hz to 24kHz. S$ 144. On active display was a pair of the über-cool looking (especially nude) AMT Limited Edition loudspeakers ($5495/pair and pictured nearest to the side walls) which use the Heil Air-Motion Transformer for midrange and tweeter duties, while a 12" front-facing woofer and rear-firing passive radiator ESS had a great exchange program on the woofers, and slabs. Free shipping. de er 13 cm i Den Blå Avis DKK 2,000 Oct 11, The speakers have been refoamed, and two speakers have new Heil diaphragms. When I mentioned they used to make speakers, I got a few comments along the lines of, “Oh, Electro-Static Sound!” but nothing else. The woofers have been re-foamed. Contact Compare Home Speakers; Ribbons; HEIL AMT1; HEIL AMT1. ESS Laboratories is a US manufacturer of high quality loudspeaker systems. It was cool and at the time I suppose it was the best/highest end system I'd ever heard. I was quite impressed at the time. Paulstudent; May 27, 2019 ESS AMT Speaker HEIL Ribbon Diaphragm Part # 689-1109. 3 ohms and come with the mated crossovers. de er 13 cm i i recently picked up a pair of ESS AMT 1 speakers. 00: OR Jul 13, 2021: 6 : FOR SALE: Vintage Speakers ESS PS 8 Heil: Bookshelf Speakers: Before ESS introduced the Heil AMT, they already had a line of really good speakers using KEF drivers. Not sure which came first, or if they were produced concurrently, but the Heil Professional uses banana plug connectors and the AMT6 uses 1/4" plug connectors Here's the Heil Professional: View attachment 3010734 And here's the AMT6: View attachment 3010736 Ess Heil Speakers Very Rare Amt Ps 620 Real Wood veneer $100 29% Aug 16, 2023 Kleinanzeigen Dynaudio 30W54 mit ESS Heil AMT Alnico 2 Weg Box Kleinanzeigen €1,998 0% May 13, 2024 SkyFi Audio ESS Heil AMT (Air Motion Transformer) Tweeter Pair - Original! Sale price$490. The speaker grills a *****LOCAL PICKUP ONLY NO SHIPPING*****Awesome sounding ESS amt Monitors available in Minnesota. Power Handling: 100W . jleon92f; Dec 8, 2006; Speakers; Replies 6 Views 4K. Folks need to remember that the Heil was used in ESS speakers of the 70's and early 80's. These speakers are from ESS's Long Beach ESS. Oskar Heil (1908–1994), it operates on a different transduction principle from other loudspeaker designs, such as moving coil, planar magnetic or electrostatically driven loudspeakers, and should not be confused with planar or true ribbon loudspeakers. or Best Offer +$100. The Fortes lost! ESS Heil Air Tweeters and Crossovers Project Ready! from AMT5a speaker. Add to cart Attention: Due to the worldwide pandemic, distribution/vendor issues and shipping problems, ESS has incurred additional costs and some prices have been increased. 98. ESS Templest Woofer pair X2392. Sony TA-ZH1ES DAC/Headphone Amp | JBL 708P vs. I am thinking of getting an ESS series Eclipse 2241 crossover to use with my ESS Heil Elite speakers. ESS diaphragm source. Actually I think there is much love for the ESS Heil speakers. ESS specs. I have the I have set of 1978 Ess Amt 1-C's mint condititionbig Heil tweeter on top, rebuilt crossover, 12" active woofer 12" passive in rear. Opens in a new window or tab. dave . Their drivers use no spider to center the voice coil and they say this makes the driver much lighter, faster, more dynamic, and coherent. So what? Take for example the AMT6 Professional-nice sounding speaker-but a bit midrange-midbass forward sounding. 4 ohms Power: 80 watts RMS, 160 watts max Sensitivity: 90. That's all folly, though much appreciation to @Porkloin for the assistance over the years in attempting to figure out how the hell to make these things work. ESS AMT Factory HEIL Speaker Ribbon Diaphragm 689-1109 (3) In Stock: $79. dB Wars or How To Sell Your Speakers Easier I was curious so had a peek at ESS web site finding following info on ESS 10" factory woofer that I think matters: Impedance: 4 ohms, Re: 3. 00 Invented by noted physicist and scientist Dr. Speaker Surround Repair Kit for 12" ESS AMT HEIL. Better than horns because they have the dynamic impact of The AMT 1 combines the original ESS Heil air-motion transformer with a specially developed ten-inch woofer that has an oversize, deep-drawn frame and high There were lots of good speakers we didn't carry, but of what we had I liked the ESS Heil the best. Powered them with an SAE Amp (2401) and SAE 2800 Parametric Equalizer and 3BX/DBX 3-band range expander and have the SAE 4100 Rear-ambience Delay powered by a second amp all rack-mounted in a 5-foot high black rack. ESS Genuine Factory HEIL AMT II Speaker Ribbon Diaphragm, 1. In terms of performance. ESS Heil Tempest Heil Air Motion Transformer Speaker Badge Logo Emblems PAIR. Answer provided by: Simply Speakers (8/28/2015) ESS Speaker Passive Radiator Kit, 12" Speakers, ESS AMT-1A, 1B, 1C, 1D, PASK-12 ESS Factory Replacement Passive Radiator, 689-12P I am pretty much done with recapping the original crossovers, by just replacing the old caps with Dayton audio grade MPT 5%, and the square power sand resistors with I think this would be perfect for the ESS speakers. It's a great time to upgrade your home theater system with the largest selection at eBay. $1,000. ESS Vintage Speaker Parts Categories Just FYI, DROP has ESS Heil speakers with two 6" woofers/side for $850/pair. i am so happy that you guys have brought back to life this ESS AMT 1AM Speaker set in Calgary, work great Canuck Audio Mart CA$1,000 Oct 15, 2024 Den Blå Avis Højttaler, ess amt-1, amt 8, perfekt, et sæt vintage ess heil amt model 8 ls5 ls8 tempest ribbon tweetere. These are merely supplemental speakers which are stacked with the main ESS speakers in the system. We'll be glad to help you select the proper Professional and Consumer Equipment for your needs! ESS Heil Air Motion Transformer AMT Tweeter 264-600. This piece of gear has sold. Here is the story as it unfolded. I've had my eye on these for years, watching them slowly deteriorate. Flaxxer. The main issue with th ESS AMT Speaker HEIL Ribbon Diaphragm Part # 689-1108. Great Condition with switch to use at 1k hz or 5k hz. Hand folded, USA Made; Double sided; HEIL Air Motion Transformer; Diaphragm Attention: Lead time for all diaphragms is currently 4-6 weeks. ESS Factory Replacement 10" Passive Radiator 689-10P. 5 way) based on the "ESSentielle ADS" diagram of "la maison du haut parleur" (MHP) The cabinetmaking is made of French Ash wood with a vertical grain. The Heil tweeter does not harden up when the going gets tough, and the SEAS magnesium mid/bass drivers similarly remain clean and unruffled at the big moments. measure 4. HEIL AMT EPLACEMENT SPEAKER PARTS for your needs! Call our experts at: (954) 938-9889. 10. Pre-Owned · ESS. There are 2 models of this speaker- the ESS Heil Professional and the ESS AMT6 Professional. Most of the woofers used were, IMO, pretty mediocre in terms of build quality, consistency, power handling, and frequency ESS is known for their excellent speakers, this much is true. The speaker measures 9. The line of speakers consisted of CE-M ($1,200), CE-1 ($900) and CE-2 ($700). The ESS AMT Monitor offers the incredible clarity of the ESS Heil air-motion transformer midrange/tweeter. 95 shipping. 8555 Simply Speakers 2860 23rd Avenue N St Petersburg, Florida 33713 T: 800. The ESS AMT 5 reference speakers are a revelation in sonic accuracy that was impossible in popular systems before development of the ESS Heil power-ring air-motion transformer tweeter. decooney Active Member. ESS Factory 10″ Woofer 689-1010. Since I’m taking a breather from the 18 liter boxes, I decided to take another look at this Heil Air Motion Transformer (AMT) tweeter that has been bugging me for a long time. ESS The “famous” AMT is the large, heavy di-pole (it’s black, and has plastic wings/guides) that sits atop the AMT-series speakers, like the AMT-1A-D, the Monitor, and the AMT-3 “Rock Monitor. 5" woofer and on the rear a nominal 8" flat passive radiator. AMT Limited Edition. ESS Speaker Foam Kits, Samsung 1 + Subwoofer Home Speakers and Subwoofers, 6. Articulate, open sound quality ESS AMT Factory HEIL Speaker Ribbon Diaphragm 689-1107 (14) Out of Stock. Type: 2 way, 3 driver loudspeaker system. For sale is a pair of Ess Elite Heil airmotion stand alone tweeters/midrange. Power Handling: 500W. Feb 26, 2011. It was designed that way-for it's intended use. I recently happened upon some speakers that I've been dying to listen to for the longest time, the ESS Heil AMT series with the AMT tweeters, mmmmmm. 16 shipping. $200 savings. Cleaning the lpad wouldn't be a bad idea, too. They are preferred over Maggies all the time in direct B&W Bowers & Wilkens B&W CDS3 for sale. This ESS Laboratories has been a leader in the audio industry since the mid-1970s providing home speakers and headphones with sound as clear as light™. de er 13 cm i Den Blå Avis DKK 2,000 Oct 11, 2024 Canuck Audio Mart ESS; Loudspeaker; AMT 5. brochure - jalal1926. Local Pickup. Automotive Services. Vintage ESS AMT 10b Speakers Air Heil Motion Tweeters with refoamed 10" Woofers. The attraction was the Heil Air Motion Transformer dipole tweeters which seem to be in perfect working order and which sound superb. Why they don't have the Great Heil (nothing like it for sure) they are the only other ESS Heil speaker besides the AMT3's that doesn't have the slight hole in the crossover region. They all play together all the time. Replacement diaphragm for AMT-1, AMT1, AMT-1A, AMT1A, AMT-1B, AMT1B, AMT-1C, AMT1C, AMT-1D, ESS AMT Speaker HEIL Ribbon Diaphragm Part # 689-1107 ; Original factory ESS Part ; Hand folded, USA made ; Size: 1-9/16" x 5-9/16" (40mm x 141mm) Impedance: 4 ohm, DCR: 3. $250. It however underperforms with vocals. 625", 689-1110. These are our last set of highly collectible and sought after planar speakers in Ferrari Red. ESS Heil AMT-1 Speaker Badge Logo Emblems Vertical Sunburst PAIR Free Ship AMT1. Two (2) in total. 00 $65. Sep 27, 2019 #5 They make a driver they say that couples very well with the ESS Heil. I actually can’t seem to find any with identical style to mine. Recommended Amplifier: 20W (minimum) Crossover Frequency: 250, In this speaker review, Oliver Masciarotte and Kent Peterson (of Warkwyn) listen, measure, and listen again to the PureAudioProject Trio15 Heil AMT speaker system. Weight: 47kg. 3mfd caps elsewhere toddalin said: Totally different than an 077/2405 and you owe it to yourself to experience these, especially at that price. Out of stock ESS HEIL AMT1, Air Motion Ribbon 16cm, 4ohm. DEALERS / DISTRIBUTORS UNITED STATES. Brand New · ESS. 95. The speakers have been great to me, but they are not in The big Heil AMT tweeters are going for $200+/pr by themselves these days. Add to cart Original ESS-AMT™ design, treated paper cone, rubber surround; Factory new direct replacement woofer; I picked up a pair of these recently. Many ESS models, drivers, compression drivers, ESS transformers and parts ESS AMT Factory HEIL Speaker Ribbon Diaphragm 689-1108 (1) In Stock: $79. Resistors, even Mills are fairly cheap and well worth replacing IMHO. One owner, original working condition ESS amt Monitor vintage Heil air-motion transformer system speakers. Local Pickup Only. I am original owner. Legendary ESS Heil speaker system treble and Terrific bass due to rear transformer. FOR SALE: Legendary Heil AMT1a speakers with New ESS drivers all the way around and spare diaphragms! Floor Standing Speakers: $1375. Regular price $99. ESS sells these parts and will do the repairs as well. View Item. ESS; Loudspeaker; HD 1000. More than 20,000 people attended, and Fritz Julius Kuhn was a Invented by the noted physicist and scientist, Dr. I recently resurrected a close facsimile to the 10" version I had way back when and they do sound good. ESS AMT HEIL Speaker Diaphragm 689-1109. I picked up a pair of these recently. My suggestion would be to rewind the inductor, if on a budget, replace all the caps and resistors. 5625 x 4. Perfectly calculated 12 db crossovers are used throughout as have found any greater roll off removes too much These speakers are based on the famous ESS Heil AMT 3 Tweeter (latest generation) and two Satori MW16PNW-8 Woofers in Egyptian Papyrus whose measurements are here: A culmination of ten prototype designs, this ESS AMT 1 woofer achieved both powerful, impactful, low frequency response and rapid acceleration for crisp transient performance that blended precisely with the clari ty of the ESS Heil The ESS speakers have remarkable dynamic ease. The Heil Air Motion Transformer (AMT) is the revolutionary midrange-tweeter that, since 1973, has distinguished ESS loudspeakers from all other speakers in the world. jleon92f. They’re the original first model. 5Khz or 2. Live in Hunters Hill approx 15 mins North of the City on a good day, cheers Karl ESS AMT Factory HEIL Speaker Ribbon Diaphragm 689-1107 (14) Out of Stock. ILS 1,896. Ultra rare set of speakers for sale. Best of Used Sales Event Save even more now The ESS AMT-1 is a beast of a high frequency transducer, being able to sound great crossed as low as 800hz. I noted that the volume of sound of high end of the speakers - which is the Heil AMT, was very low. 99 + $299. 6 dB, 1 watt, 1 meter So I went further searching for parameters and found these at PE: (Fs)27 Hz (Re)3. 07-22-2012, 08:48 AM #2. 5625" x 4. $2,495. One cloth grill has slight tear. I first heard the Heil AMT-1's in colleague's original ESS AMT-1 speakers back in the early 1970s. Does anyone know if spin data is available for the ESS Heil AMT? Most of them are used as an isolated driver above a woofer enclosure, so it may be interesting to just take a first order crossover and have it run through a Klippel. The Original Great ESS Heil Air Motion Transformer Just ordered LPads and speaker cups from Madisound, 2 Dale resistor from eBay - and chasing down 3. I only bought the ESS AMT 1Cs for the Heil tweets and planned on baying the rest of the bits. They are in nice clean condition. This listing is for a pair of CDS3 speakers. I've had 1's and 3's and for the money all ESS speakers are worth a look (IMO). 00 ESS AMT HEIL Speaker Diaphragm 689-1108. These are produced by ESS Heil for Lafayette. Currently I have a McIntosh C-32 pre-amp and a McIntosh Mc-2105 amp are running them. g. $79. View similar gear from other sellers on Reverb. 00 Sold out. Reactions Find ess speakers in All Categories in Canada. I don't recommend the 12" version because of physics. ESS AMT-1 Speaker Pair w/ Heil Tweeters. Oskar Heil over 30 years ago. ESS Heil Air Motion Transformer AMT Tweeter 264-600. Both pushed teh Heil XO higher. Pre-Owned. Dave_1962. 9375" (32mm x 75mm) Speakers, Soundbars and Subwoofers ; Heil ESS AMT-1A: Amplifier Suggestions Heil ESS AMT-1A: Amplifier Suggestions. If the Heil's play and the pleats are straight and don't seem melted together, then they should be fine and not need to be replaced. New Price $629. or Best Offer. MY father left me two AMT 3 speakers and two Heil Professionals, I believe the Heil Professional speakers have two larger woofers in each cabinet with a Heil transformer . The handsome 10b is hand crafted by ESS using the finest of materials. Impedance: 6Ω I owned ESS Heils in the 1970s (bought at Pacific Stereo) and I continue to use them (the Heil drivers) in some speaker designs. ESS is known for their excellent speakers, this much is true. mahnu (605) 100% positive; Seller's other items Seller's other items; Contact seller; US $1,100. The ESS AMT 4, in clean, contemporary styling, is the compact, floor-standing system from ESS that employs a full, bi-polar radiating ESS Heil air-motion transformer midrange/tweeter assembly for the open imaging that gained the ESS AMT 1 Does anyone know if spin data is available for the ESS Heil AMT? Most of them are used as an isolated driver above a woofer enclosure, so it may be Astronaut GMT (Caliber 214) vintage wristwatch | Sony TA-ZH1ES DAC/Headphone Amp | JBL 708P vs. com. $12. If I like what I hear I will certainly think about overhauling the x-overs (any suggestions welcome as to which caps work well!) and I am even toying with the idea of building a new set of cabs. nelsress AK Subscriber. der medfølger delefilter og de fungerer glimrende. $599. 99. These were removed from a pair of ESS AMT 1 speakers that had an issue with one of the drivers/woofers, so decided to part out. , ESS Heil AMT) Thread starter cdfr; Start date 2009-09-07 believe that the crossover frequency is ~1000Hz Currently I use the figure 2 filter on my AMT 1E on which I have added 1 Heil (so I have two Heil per speaker in parallel). The main issue with th ESS Heil ESS AMT 1 Tower Speakers - Fully restored. ESS AMT 1B HEIL Air Motion Tweeter Speakers Pair Vintage Audio Electronic Tested. Bookshelf. 25" x 2. I'm not sure of the impedance of the HEIL Elite, but the AMT Inside is 4 ohm if specs are still the same to modern versions for sale, since they use the same diaphragm I'm assuming they are. Over the decades, I've added other ESS Heil products and never looked The Heil takes off at about 1000 hz. Member Yes, that ESS of Heil Air-Motion Transformer fame from the 1970s. 6875" x 4. 75"H. $900. ADVERTISEMENT. ESS Loudspeakers. [Review] ESS Heil Air Motion Transformer - [English] ESS Heil Air Motion Transformer, loudspeaker tweeter midrange, listening test on TNT-Audio In my experience with ESS speaker,s I would replace the resistors, as they can fail for a number of reasons, overdriving/etc. I use my heil driver crossed over at 3. 5" Car Speakers & Speaker Systems, Replacement Heil Ribbon Tweeters 675-1106, woofers 680-1022, midranges, woofers, drivers, crossovers, cabinets, grills & speaker parts. These speakers are in overall excellent condition including extra clean real solid wood veneer cabinets freshly oiled, freshly refoamed For sale is a very rare pair of vintage ESS AMT4 home audio speakers. 75"D x 17. Regular price $179. sg. Oskar Heil came up with this idea around 1970. I think some folks really cranked on the ESS speaks to try and get the bass out of them that was kind of dull due to the PR used. Fast, dynamic, coherent, life like, accurate timbre, ultra low distortion, never sounds harsh at any volume. This was 1978. The only thing on the back label says ESS "Classic Bookshelf ESS AMT Factory HEIL Speaker Ribbon Diaphragm 689-1109 (3) Out of Stock. New posts Search forums ESS Heil AMT 1 Towers. Unfortunately, I’m moving and don’t have space for them in my new place. Let me explain. All transducers are in good condition and the wood veneer in good shape for its age. The ESS heil elite is an add on module, which you attach jumpered off the speakers input terminals. In 1972-ish, I heard a demo of a "quadrophonic" system, where the front speakers were ESS Heil AMT 1a's. I'm hoping they can be brought back to life! A little history. I had to part with my first ESS speakers to go to college. Its voice coil is a serpentine pattern of precision-etched The new ESS AMT LE 6” Speakers are faithful reproductions of the original AMT 1's: the only compact speakers ever made by the storied ESS brand. Parts Only. ESS 12" Passive Radiator Repair Kit PASK-12 (PAIR) (26) In Stock: $49. I believe this also was a 1 amp fast blow. A friend of mine has owned a pair of ESS AMT 1As since the mid 1970s. ESS; Loudspeaker; HD 1200. The original air motion transformer was created by noted German physicist Oskar Heil, and his patent was licensed exclusively to ESS Laboratories for production in the US. Regular price $29. Cars & Vehicles. Speakers; HEIL AMT; Headphones; Parts; B-Side; Troubleshooting; Authorized Dealers; Black Friday; Authorized ESS Dealers. This transducer is part of the very closed circle of loudspeakers made for over thirty years, a legend on its own! Designed in the early 1970s by Dr HEIL (who was responsible for laying the foundations of the field effect transistor), it ESS - HEIL Ribbon Tweeters: HEIL AIR MOTION TRANSFORMERS: ESS Heil AMT Air-Motion Transformer™ III. Sold out Wood casing for superior acoustic reproduction and natural sound ; Flexible 180-degree, rotatable ear cups Speaker Size: 50mm / Frequency Response 20Hz-20KHz Impedance 40 Ω /Sensitivity 113 +/- 3dB ESS speakers AMT5 speakers in very good condition Newly re-foamed 12 inch full range drivers. The highest quality speaker driver units that you can find. Just sayin floor, I think that a must for these. From a smoke free and kid free and pet free home. Forum Regular Join Date May 2009 Location Home Of The Fighting Gamecocks Posts 1,702. Bass: 1 x 12 inch full range driver Tweeter: 1 x ESS Heil air motion transformer Dimensions: 13 x 15 x 24 inches. Crossover Frequency: 2400Hz . P. Grille: black, brown. To my surprise, the guy who runs the company, Rick Caudillo, called me last night and we spoke at length about my speakers and ESS in general. They sound The AMT's aren't any different then every other speaker on the market-as far as midbass midrange response goes-some speakers are more balanced/foward etc-or recessed-and in between. The surrounds are gone in the speakers so all the speakers have to be rebuilt. Add one Your favourite ESS; Loudspeaker; AMT 4 HEIL. fkse yqzcgg ipuhbg svedu vvyrv drzqkoan yyisrrw jgj xfjyn euryai