ESS Heil Ribbon Diaphragm AMT 10B, AMT 4, AMT 6, HD 12, Factory Part 689-1108 ESS AMT Speaker HEIL Ribbon Diaphragm Part # 689-1108This listing is for one pair or #2 of these itemsOriginal factory ESS partHand folded, USA MadeDouble sidedHEIL Air Motion TransformerDiaphragm: Original Silver Mylar pleated ribbonThis is NOT the generic Mylar version that others sellSize: 1.6875 x 4.6875 (43mm x 119mm)Impedance: 4 ohm, DCR: 3.7 ohmPlease check your model before ordering to make sure you are getting the correct diaphragm.See the Fits Models tab for all applicable cabinet and driver numbers.

ESS (bookshelf model) aluminum bracket set. Fitment of this pair of original brackets (for the larger amt tweeters only) can be flush mount in a cabinet face, or baffle board if you desire. The complete kit available here is not custom made, it is original ESS equipment used in their large bookshelf type loudspeakers. It comes with thin rubber mounting gaskets, 4 L shaped aluminum brackets, and the original stud and nut assy. The brackets are pre drilled to accept all original ESS heil tweeters, with a pass-thru slot for the lead wires. They are also pre-drilled to accommodate face mounting via small-headed wood bolts or, hefty machine screws. I will ship USPS priority within 36 hrs of completed payment. Thank you for looking.

For purchase, a gorgeous set of ESS Heil 4ohm pulp woofers and original passives. The surrounds were just replaced with open cell polyether foam, and the pulp cones are very clean. The radiators are of closed cell design, original to early ESS 12 builds with full 3/4 backings and mass weights. Unique to ONLY early ESS builds, the woofers have 2.5 voice coils wound on anodized formers, unlike every other cast framed offerings from ESS which have 2 voice coils. Also unique to this pair, the backside of the cone base employs a dampener to reduce unwanted harmonic overtones in the upper bass region. Resistance measurements are 3.47 and 3.54 respectively. The rich sonics incorporated in the original lightweight but dense pulp cones, should be considered an essential upgrade to the overall sound of your ESS speakers. Utilized in several models of amt1(x), these are drop-in ready for models such as amt1a, 1b, 1c, 1d, and amt monitor, including all bookshelf variants of those models. These are factory original pulp 12 drivers by ESS of Sacramento, removed from amt1am tower loudspeakers. These drivers were optimized for the specific dividing networks and cabinet offerings that were available during the production years of amt1a, and early amt1am monitor tower builds. Modern replacements (from ESS) are not engineered to be coupled with amt drivers, nor your existing crossover networks where applicable. No testing or sampling has been performed with the new, generic off the shelf woofer drivers provided by ESS, currently. Packing will be very stout, expect these to arrive as advertised. UPS or FedEx will be the carrier, please let me know if you have a shipper preference. As with all of my listings of ESS equipment, if you are looking for parts from that era of long gone builds, feel free to inquire as i will assist with whatever parts i may have inventory of. I will ship within 48 hrs of completed payment. Thank you for looking.

Thank You For Browsing My Listing! Thank You! Thank you for taking a look at this listing. I need the room, so I will be clearing out everything I can in 2023. So take a look at all my listings to find a wide variety of items. Thanks again! I hope your 2023 will be great! STAY SAFE out there! Postcards We are in the process of adding thousands of postcards to our eBay Store. Each postcard purchased will be shipped in a new high-quality 2 Mil postcard sleeve with no labels or stickers. They will be shipped in an EcoSwift envelope using the eBay Standard Envelope for Trading Cards, Stamps, Postcards & Coins up to $20 shipping service that includes a tracking number. We can fit up to four or five postcards in the envelope using the eBay service up to 3 ounces. We ship FREE using this service in the 50 US States. International and expedited shipping has a slight cost that you can check out before bidding using the eBay Shipping Tab. eBay Store Check out our eBay store for many cool vintage items including computer items, Coca Cola items, books, and much more. Marks Emporium Take a look at our online Shopify store for new items including t-shirts, mugs, hoodies, tumblers, mouse pads, stickers, manets, tote bags, coasters, pins, glasses and much, much more! See us at MarksEmporium.com Questions Please ask all your questions on this item or our policies before bidding. I try to respond to all questions within 24 hours. Problems Please contact us if you have any problems with your purchase. We will try to work things out with you. You can check out our Feedback and see we do our best. NOTE Serious bidders only. You can check out our Feedback and bid with confidence. I will not conduct any business outside of eBay! This entire auction listing is Copyrighted. It was created by GarageSale on a Macintosh in the Great State of Wisconsin. _gsrx_vers_1608 (GS 9.5 (1608))

For purchase, a gorgeous set of refurbished original ESS Heil amt 4 ohm woofers and passives. The surrounds were just replaced with open cell polyether foam in June 2023, and the bextrene cones are very clean. As most early ESS builds, these woofers have 2 voice coils wound on anodized aluminum formers. Resistance measurements are 3.4 and 3.3 ohms, respectively. They should be considered an essential replacement if your woofers are indeed compromised. Utilized in several models of amt1(x), these are drop-in ready for models such as amt1a, 1b, 1c, amt1am, amt monitor, and all bookshelf variants of those models. These are factory original bextrene 12 drivers by ESS of Sacramento, removed from amt1b loudspeakers, and the aluminum rings retrofitted with brand new discs. These drivers are optimized for the specific dividing networks and cabinet offerings that were available during the production years of amt1b and monitor tower builds, circa 1977 through 1980. Modern replacements (from ESS currently) are not engineered to be coupled with amt drivers, nor your existing crossover networks where applicable. No testing or sampling has been performed with the new, generic off the shelf woofer drivers provided by the new Los Angeles based ESS. Packing will be very stout, expect these to arrive as advertised. UPS or FedEx will be the carrier, please let me know if you have a shipper preference. As with all of my listings of ESS equipment, if you are looking for parts from that era of long gone builds, feel free to inquire as i will assist with whatever parts i may have inventory of. I usually ship within 48 hrs of completed payment. Thank you for looking.

Ich verkaufe zwei gebrauche originale Tieftöner aus meiner ESS AMT 1b (12 Zoll). Ich verkaufe diese, weil ich die Tieftöner gegen neue ausgetauscht habe. Da die Sicken nach den Jahren zerbröselt sind, habe ich diese erneuert und dabei ist es bei einem Bass nicht ganz geglückt. Bei diesem Bass (er kratzt) muss die Sicke erneuert werden, zwei passende Sicken gehören dazu aber kein Kleber. Privatverkauf daher keine Garantie oder Rücknahme.

Thank You For Browsing My Listing! Thank You! Thank you for taking a look at this listing. I need the room, so I will be clearing out everything I can in 2023. So take a look at all my listings to find a wide variety of items. Thanks again! I hope your 2023 will be great! STAY SAFE out there! Postcards We are in the process of adding thousands of postcards to our eBay Store. Each postcard purchased will be shipped in a new high-quality 2 Mil postcard sleeve with no labels or stickers. They will be shipped in an EcoSwift envelope using the eBay Standard Envelope for Trading Cards, Stamps, Postcards & Coins up to $20 shipping service that includes a tracking number. We can fit up to four or five postcards in the envelope using the eBay service up to 3 ounces. We ship FREE using this service in the 50 US States. International and expedited shipping has a slight cost that you can check out before bidding using the eBay Shipping Tab. eBay Store Check out our eBay store for many cool vintage items including computer items, Coca Cola items, books, and much more. Marks Emporium Take a look at our online Shopify store for new items including t-shirts, mugs, hoodies, tumblers, mouse pads, stickers, manets, tote bags, coasters, pins, glasses and much, much more! See us at MarksEmporium.com Questions Please ask all your questions on this item or our policies before bidding. I try to respond to all questions within 24 hours. Problems Please contact us if you have any problems with your purchase. We will try to work things out with you. You can check out our Feedback and see we do our best. NOTE Serious bidders only. You can check out our Feedback and bid with confidence. I will not conduct any business outside of eBay! This entire auction listing is Copyrighted. It was created by GarageSale on a Macintosh in the Great State of Wisconsin. _gsrx_vers_1547 (GS 9.4.2 (1547))

Thank You For Browsing My Listing! Thank You! Thank you for taking a look at this listing. I need the room, so I will be clearing out everything I can in 2023. So take a look at all my listings to find a wide variety of items. Thanks again! I hope your 2023 will be great! STAY SAFE out there! Postcards We are in the process of adding thousands of postcards to our eBay Store. Each postcard purchased will be shipped in a new high-quality 2 Mil postcard sleeve with no labels or stickers. They will be shipped in an EcoSwift envelope using the eBay Standard Envelope for Trading Cards, Stamps, Postcards & Coins up to $20 shipping service that includes a tracking number. We can fit up to four or five postcards in the envelope using the eBay service up to 3 ounces. We ship FREE using this service in the 50 US States. International and expedited shipping has a slight cost that you can check out before bidding using the eBay Shipping Tab. eBay Store Check out our eBay store for many cool vintage items including computer items, Coca Cola items, books, and much more. Marks Emporium Take a look at our online Shopify store for new items including t-shirts, mugs, hoodies, tumblers, mouse pads, stickers, manets, tote bags, coasters, pins, glasses and much, much more! See us at MarksEmporium.com Questions Please ask all your questions on this item or our policies before bidding. I try to respond to all questions within 24 hours. Problems Please contact us if you have any problems with your purchase. We will try to work things out with you. You can check out our Feedback and see we do our best. NOTE Serious bidders only. You can check out our Feedback and bid with confidence. I will not conduct any business outside of eBay! This entire auction listing is Copyrighted. It was created by GarageSale on a Macintosh in the Great State of Wisconsin. _gsrx_vers_1545 (GS 9.4.1 (1545))

For purchase, a gorgeous pair of ESS Heil amt 4 ohm woofers. The surrounds were just replaced with open cell polyether foam in June 2023, and the bextrene cones are very clean. As most early ESS builds, these woofers have 2 voice coils wound on anodized aluminum formers. Resistance measurements are 3.4 and 3.3 ohms, respectively. They should be considered an essential replacement if your woofers are indeed compromised. Utilized in several models of amt1(x), these are drop-in ready for models such as amt1a, 1b, 1c, amt1am, amt monitor, and all bookshelf variants of those models. These are factory original bextrene 12 drivers by ESS of Sacramento, removed from amt1b loudspeakers. These drivers are optimized for the specific dividing networks and cabinet offerings that were available during the production years of amt1b and monitor tower builds, circa 1977 through 1980. Modern replacements (from ESS currently) are not engineered to be coupled with amt drivers, nor your existing crossover networks where applicable. No testing or sampling has been performed with the new, generic off the shelf woofer drivers provided by the new Los Angeles based ESS. Packing will be very stout, expect these to arrive as advertised. UPS or FedEx will be the carrier, please let me know if you have a shipper preference. As with all of my listings of ESS equipment, if you are looking for parts from that era of long gone builds, feel free to inquire as i will assist with whatever parts i may have inventory of. I usually ship within 48 hrs of completed payment. Thank you for looking.

Thank You For Browsing My Listing! Thank You! Thank you for taking a look at this listing. I need the room, so I will be clearing out everything I can in 2023. So take a look at all my listings to find a wide variety of items. Thanks again! I hope your 2023 will be great! STAY SAFE out there! Postcards We are in the process of adding thousands of postcards to our eBay Store. Each postcard purchased will be shipped in a new high-quality 2 Mil postcard sleeve with no labels or stickers. They will be shipped in an EcoSwift envelope using the eBay Standard Envelope for Trading Cards, Stamps, Postcards & Coins up to $20 shipping service that includes a tracking number. We can fit up to four or five postcards in the envelope using the eBay service up to 3 ounces. We ship FREE using this service in the 50 US States. International and expedited shipping has a slight cost that you can check out before bidding using the eBay Shipping Tab. eBay Store Check out our eBay store for many cool vintage items including computer items, Coca Cola items, books, and much more. Marks Emporium Take a look at our online Shopify store for new items including t-shirts, mugs, hoodies, tumblers, mouse pads, stickers, manets, tote bags, coasters, pins, glasses and much, much more! See us at MarksEmporium.com Questions Please ask all your questions on this item or our policies before bidding. I try to respond to all questions within 24 hours. Problems Please contact us if you have any problems with your purchase. We will try to work things out with you. You can check out our Feedback and see we do our best. NOTE Serious bidders only. You can check out our Feedback and bid with confidence. I will not conduct any business outside of eBay! This entire auction listing is Copyrighted. It was created by GarageSale on a Macintosh in the Great State of Wisconsin. _gsrx_vers_1545 (GS 9.4.1 (1545))

For sale is an excellent working ESS AMT 1B woofer that sounds excellent, the center dust cap is pushed in and center cap needs to be reglued, this ESS woofer sounds amazing! No shipping to Alaska, Hawaii and Puerto Rico. You will receive everything you see in the pictures, if it is not pictured then its not included. All items have a hidden invisible security mark. Please view pictures and ask any questions you might have. Have a nice day! A

ESS amt 1b bookshelf owners manual and brochure product registration card etc Original material in new condition.

Zwei ESS AMT 1b Lautsprecher , , Heil Air Motion Transformer System. Die beiden Boxen wurden 2015 in Lemgo von der Firma Klangmeister berarbeitet Rechnung vorhanden. Die Abdeckungen sind nachgebaut.

HERE IS A COMPLETE SET OF ESS AMT SPEAKERS WITH PASSIVES INCLUDED. ALL FRAMES ARE GREAT! WOOFER HAVE NEW SURROUNDS AND PASSIVES WORK BUT COULD BE RE-FOAMED. JUST THREW THEM ALL TOGETHER FOR ANY SPEAKER PROJECT WITH THE GREAT HEILS AND ALL AMT SKRS WILL FIT.12 APPLICATIONS WILL SHIP ONLY US 48 STATES DUE TO WEIGHT/SIZE.THANK YOU

For purchase is a pair of original 4ohm ESS amt tweeter diaphragms of the Kapton variety. ESS has not made Kapton diaphragms available for a very long time. This diaphragm pair has unique power and heat handling characteristics due to its membrane substrate material. Transparent goldish in color, these have been gently used, are extremely rare, and come with no restrictive netting. These 689-1107 membranes fit all of the larger amt tweeters, including amt1a / 1b / 1c / 1d / amt monitor / amt1am, and all of their bookshelf variants. Due to this pair being of the 4ohm variety, they would not be appropriate for early ESS builds such as the amt1a, which use a dividing network designed for 6 ohm membranes. Kapton membranes allow for a longer life span due to their higher heat handling, at full rated power input. Original Heil air motion diaphragms from ESS of Sacramento. I typically ship within 36 hrs of completed payment. Thank you for looking.

For sale is a pair of great working ESS AMT 1B radiators with some minor wear, fits all models in the title, please see pics. No shipping to Alaska, Hawaii and Puerto Rico. You will receive everything you see in the pictures, if it is not pictured then its not included. All items have a hidden invisible security mark. Please view pictures and ask any questions you might have. Have a nice day!

For sale is an excellent working ESS AMT 1B tweeter that works excellent with some minor cosmetic wear please see pics. This ESS tweeter sounds amazing! No shipping to Alaska, Hawaii and Puerto Rico. You will receive everything you see in the pictures, if it is not pictured then its not included. All items have a hidden invisible security mark. Please view pictures and ask any questions you might have. Have a nice day!

For sale is an excellent working ESS AMT 1B crossover that looks and works great however the knobs could use some cleaning with deoxit as the sound does cut out a little here and there when turning the knobs, overall it sounds and works great however it could use a cleaning to work perfect, please see pics. No shipping to Alaska, Hawaii and Puerto Rico. You will receive everything you see in the pictures, if it is not pictured then its not included. All items have a hidden invisible security mark. Please view pictures and ask any questions you might have. Have a nice day!

For consideration is a single (lone) crossover module from an amt1b cabinet. Original Heil air motion 2-way dividing network from ESS of Sacramento, in great condition. Fitment will be exact if you intend to use it to replace your 1b network, and will also be a direct fit for amt1c and amt1d cabinets. The presence and brilliance knobs have gone missing, as photos show. I usually ship within 36 hrs of completed payment. Thank you for looking.