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Acoustat 2+2 Full Range Electrostatic speakers with mk-121-2a transformers.

End: 18.04. 2024 00:53:26 on Thursday
  • Condition: Used
  • Price: 702.91 EUR FESTPREIS
  • Status: sold
  • Item number: 134946012769
  • Seller: coolbob2 (272|100.0%)
  • Seller information: non commercial
  • Item location: Oxford, Mississippi USA
  • Ships to: None
  • Shipping: 0,0 EUR
  • on EBAY
  • Description

    For Sale Acoustat 2+2 in good working order. Two owner, no smoking. Medallion Transformers, “C” mod, new capacitors and NOS OEM grill covers. My friend Tom bought these in 1983 and they have been in his home until I acquired them a few months ago. Tom purchased and installed the Medallion transformers from Acoustat in 1985; the “C” mod kit in 1989 and a pair of OEM replacement grill covers in 2011 (he never installed the grill covers and kept them their original packaging). With Roy Esposito’s (former Acoustat Engineer) guidance I replaced the capacitors, diodes and small resistors on the High Bias circuits as well as the capacitors in the High Frequency circuit and fuses with the exact parts he recommended. I replaced the Monster Cable which is prone to corrosion with oxygen-free wiring. The HF transformers and HF gain controls have been tested with a multi-meter and are within specs. While I had the old grill covers off I inspected the stator wires and they remain firmly in place, the membrane appeared taunt and clean only a few of the damping matts needed to be glued down, everything else in the panels looked great. I installed the grill covers that were purchased in 2011. Both speakers play at equal volume with no perceptible distortion and as best as I can tell they are working as they should. The only noticeable blemishes in the speakers are a small chip on each of the speaker bases and there are two faint marks on one of the grill covers. I saw the marks on the grill cover when I removed it from it’s sealed bag and given the age of the grill covers I haven’t tried to clean the cover. I have really enjoyed restoring these and spending time with them, they have made me rethink a lot of what I thought I knew about electrostatic speakers. As remarkable as they are, they are not my cup of tea and I’d love to see them go to a home where they will be appreciated. My research indicates that 2+2s with these upgrades often sell for about $1,000. I’m open to reasonable offers. These speakers are listed for sale locally and I reserve the right to cancel this listing if they are sold locally. Sale includes two Acoustat 2+2 speakers with MK-121-2a interfaces, no other equipment is included in this sale. No shipping, Pick up only in Oxford, MS.

two Acoustat speakers MK 121-2A 94 inches tall 24 inches wide dual panels sound 

End: 06.09. 2023 03:44:12 on Wednesday
  • Condition: Used
  • Price: 300.0 USD FESTPREIS
  • Status: 6T 22:55:51
  • Item number: 374907520578
  • Bids: 0
  • Seller: (|%)
  • Seller information:
  • Item location: Tracy,CA,USA USA
  • Ships to:
  • Shipping: 0,0 USD
  • on EBAY

Pr. Acoustat MK-121C Magna-kinetic Interface Red Medallion Transformer

End: 05.08. 2023 19:41:11 on Saturday
  • Condition: Used
  • Price: 699.95 EUR FESTPREIS
  • Status: unsold
  • Item number: 235092327882
  • Seller: tonengineer (1347|100.0%)
  • Seller information: non commercial
  • Item location: Cape Coral, Florida USA
  • Ships to: US
  • Shipping: 0,0 EUR
  • on EBAY
  • Description

    Offered here is a pair of excellent Acoustat model MK-121-C Magne-Kinetic electrostatic speaker interfaces. Considered by ESL enthusiasts to be the pinnacle of Acoustat’s interface design, these feature the much sought after Red Medallion transformers. This pair has been fully tested on my Acoustat model 3s and are in perfect working order. I replaced the high voltage jacks on the PC board with OEM parts. This will assure proper operation for many years to come! These don’t come up for sale very often, especially in this condition. Don’t miss your chance to upgrade your Stats to the best of the best!

One ACOUSTAT MK-121-2 RED MEDALLION INTERFACE TRANSFORMER Power Supply Parts

End: 07.07. 2023 19:51:29 on Friday
  • Condition: For parts or not working
  • Price: 179.1 EUR FESTPREIS
  • Status: sold
  • Item number: 266312522407
  • Seller: hi-fi4130 (2517|100.0%)
  • Seller information: Commercial (with base shop)
  • Item location: Buffalo, New York USA
  • Ships to: US
  • Shipping: 0,0 EUR
  • on EBAY
  • Description

    This listing is for a single Acoustat MK-121-2 Red Medallion Interface Transformer. It is for parts or repair as I have no way to test it. It was found at the estate of an audiophile. Unfortunately, water got to it at one point. The case has some rust on it. All fuses are intact. Please check the pictures. Free shipping to contiguous 48 states only.

Diffusore Elettrostatico Acoustat 3 pannelli con interfacce Mk121

End: 01.10. 2021 18:05:09 on Friday
  • Condition: Used
  • Price: 2200.0 EUR FESTPREIS
  • Status: unsold
  • Item number: 164985453527
  • Counter: 272
  • Seller: 661958angel (1604|100.0%)
  • Seller information: non commercial
  • Item location: Bagheria Italien
  • Ships to: IT
  • Shipping: 0,0 EUR
  • on EBAY

ACOUSTAT MK-121-B david hafler PAIR from 2+2 Excellent

End: 18.11. 2019 23:19:59 on Monday
  • Condition: Vom Verkäufer generell überholt
  • Price: 577.15 EUR FESTPREIS
  • Status: sold
  • Item number: 192986589844
  • Counter: 1722
  • Seller: thekobans (1037|100.0%)
  • Seller information: non commercial
  • Item location: Issaquah, Washington USA
  • Ships to: US
  • Shipping: 210,7 EUR
  • on EBAY

ACOUSTAT MK-121-B BLUE MEDALLION from 1+1 (MATCHED PAIR)

End: 15.08. 2019 06:53:41 on Thursday
  • Condition: New
  • Price: 448.42 EUR Auktion
  • Status: sold
  • Item number: 163808737193
  • Counter: 227
  • Bids: 1
  • Seller: matthew.n.edwards (233|100.0%)
  • Seller information: non commercial
  • Item location: Lancaster, California USA
  • Ships to: US
  • Shipping: 167,08 EUR
  • on EBAY

ACOUSTAT MK-121-B david hafler Blue Medallion PAIR from 2+2 Excellent

End: 24.05. 2019 01:50:25 on Friday
  • Condition: New
  • Price: 672.65 EUR FESTPREIS
  • Status: sold
  • Item number: 192897014886
  • Counter: 548
  • Seller: thekobans (970|100.0%)
  • Seller information: non commercial
  • Item location: Issaquah, Washington USA
  • Ships to: Worldwide
  • Shipping: 199,79 EUR
  • on EBAY

ACOUSTAT Magne-Kinetic Interface MK-121-2

End: 25.03. 2019 20:02:02 on Monday
  • Condition: New
  • Price: 66.92 EUR FESTPREIS
  • Status: sold
  • Item number: 143186315713
  • Counter: 23
  • Seller: camichael (8718|99.8%)
  • Seller information: non commercial
  • Item location: La Verne, California USA
  • Ships to: US
  • Shipping: 118,23 EUR
  • on EBAY

Acoustat MK-121-2 Speaker Interface, VERY nice condition

End: 08.02. 2016 03:49:08 on Monday
  • Condition: Used
  • Price: 253.23 EUR FESTPREIS
  • Status: sold
  • Item number: 231726187082
  • Counter: 142
  • Seller: lottsaoldstuff (249|100.0%)
  • Seller information: non commercial
  • Item location: Cold Spring, New York USA
  • Ships to: Worldwide
  • Shipping: EUR
  • on EBAY

Acoustat Ad, 1980, Montior 3-121, MK-121, Article, 1 pg

End: 11.01. 2016 04:19:16 on Monday
  • Condition: Used
  • Price: 5.51 EUR FESTPREIS
  • Status: sold
  • Item number: 141858105759
  • Counter: 36
  • Seller: effgjm (13531|99.7%)
  • Seller information: Commercial (with base shop)
  • Item location: Olmsted Falls, Ohio USA
  • Ships to: Worldwide
  • Shipping: 8,34 EUR
  • on EBAY

Acoustat MK-121-C Speaker Interface, Medallion Transformers VERY nice condition

End: 15.10. 2015 18:15:47 on Thursday
  • Condition: Used
  • Price: 302.47 EUR FESTPREIS
  • Status: sold
  • Item number: 231695658703
  • Counter: 113
  • Seller: lottsaoldstuff (248|100.0%)
  • Seller information: non commercial
  • Item location: Cold Spring, New York USA
  • Ships to: Worldwide
  • Shipping: EUR
  • on EBAY

Acoustat MK-121-2 Speaker interface, used, in apparent excellent shape

End: 30.09. 2014 11:01:32 on Tuesday
  • Condition: Used
  • Price: 196.12 EUR FESTPREIS
  • Status: sold
  • Item number: 231228355525
  • Counter: 25
  • Seller: lottsaoldstuff (230|100.0%)
  • Seller information: non commercial
  • Item location: Cold Spring, New York USA
  • Ships to: Worldwide
  • Shipping: EUR
  • on EBAY

High End ACOUSTAT MK-121-2A Flächenstrahler, Elektrostat

End: 23.03. 2014 20:59:38 on Sunday
  • Condition: Used
  • Price: 545.0 EUR Auktion
  • Status: sold
  • Item number: 321352822939
  • Counter: 300
  • Bids: 26
  • Seller: mammut330 (52|96.2%)
  • Seller information: non commercial
  • Item location: Mainz Deutschland
  • Ships to: None
  • Shipping: EUR
  • on EBAY

ACOUSTAT MK-121-2A MEDALLION SPEAKER CROSSOVERS TESTED/WORKING GREAT/CLEAN!

End: 14.01. 2013 09:55:40 on Monday
  • Condition: Used
  • Price: 355 USD Auktion
  • Status: sold
  • Item number: 290841102948
  • Bids: 48
  • Seller: babyjdrums (5653|9990%)
  • Seller information: non commercial
  • Item location: Mission Viejo, California USA
  • Ships to: Weltweit
  • Shipping: 50 USD
  • on EBAY

ACOUSTAT MODEL one three one+one two+two MK 121 MK 141 Copy of Manual

End: 21.09. 2012 20:11:45 on Friday
  • Condition:
  • Price: 9,99 USD FESTPREIS
  • Status: sold
  • Item number: 170906731291
  • Bids: 1
  • Seller: rdsjss (4635|9940%)
  • Seller information: Non Commercial (with top shop)
  • Item location: Bellingham, WA USA
  • Ships to: Weltweit
  • Shipping: 0 USD
  • on EBAY

Acoustat MK 121-2-A Modell III Elektrostaten

End: 11.03. 2012 01:00:55 on Sunday
  • Condition: Used
  • Price: 2000 EUR Auktion
  • Status: sold
  • Item number: 330695878095
  • Bids: 1
  • Seller: herbert8877 (38|10000%)
  • Seller information: non commercial
  • Item location: Herzogenaurach Deutschland
  • Ships to: Selbstabholer
  • Shipping: 0 EUR
  • on EBAY