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Unison Hi-End Tube AmplifierResearch S2K

End: 30.06. 2023 21:04:53 on Friday
  • Condition: Used
  • Price: 772.56 EUR FESTPREIS
  • Status: sold
  • Item number: 385628658476
  • Seller: kebaug-2 (-1|0.0%)
  • Seller information: non commercial
  • Item location: Laguna Hills, California USA
  • Ships to: US
  • Shipping: 30,0 EUR
  • on EBAY
  • Description

    Sell ??Italian tube integrated high-end stereo amplifier Unison Research S2K. In perfect condition. Everything is native, even the fuses. No interference. The amplifier was purchased from Nota Plus, it was little used. Bulbs have only been replaced once. New lamps (installed and spare) were not used. Lamps installed:ECC82 (12AU7A) - Conn (RCA) (made in USA, NOS: from spare parts kit for organ, 1960s), KT88 - Svetlana.Additional lamps: the price also includes (optionally included) 2 new matched pairs of KT88 Sovtek and 1 matched pair of ECC82 (12AU7A) Baldwin Sylvania (made in USA, NOS from spare parts for organ, 1960s). The S2K KT88 operates in single-ended mode in pure Class A, delivering 15 watts per channel. Two ECC82 lamps (analogues - 12AU7A or 5814A) are installed in the input stages. Because the sound quality of a tube amp is largely dependent on the quality of the output transformers, Unison Research designed and manufactured both the mains and output transformers specifically for S2K.The amplifier circuit is assembled on discrete elements:The input stage is assembled on two double triodes ECC82 (12AU7A)The output stage is single-ended, ultra-linear, on KT88, operating in class AInput impedance 47 kOhmRecommended load resistance 4 - 8 ohmsConnectors and interfaces - stereo audio line in x5, audio line outstereo x1.Output power 15W per channel (ultra-linear mode)Frequency range 15-30000 HzHigh quality input switchHigh quality volume controlRF remote control in wooden case· Power consumption 150 WDimensions 410x165x275 mm· Weight 18 kg.

UNISON RESEARCH S2 RÖHRENVERSTÄRKER MIT SUPER KLANG!

End: 31.10. 2019 11:02:05 on Thursday
  • Condition: Used
  • Price: 799.0 EUR FESTPREIS
  • Status: sold
  • Item number: 174054123025
  • Counter: 850
  • Seller: t.merkord (1835|100.0%)
  • Seller information: non commercial
  • Item location: Barntrup Deutschland
  • Ships to: DE
  • Shipping: 16,0 EUR
  • on EBAY

Unison Research S2K single ended integrated valve amplifier

End: 07.05. 2019 20:55:05 on Tuesday
  • Condition: Used
  • Price: 730.91 EUR FESTPREIS
  • Status: sold
  • Item number: 202618610758
  • Counter: 1165
  • Seller: djhare (522|100.0%)
  • Seller information: non commercial
  • Item location: Ludlow Großbritannien
  • Ships to: None
  • Shipping: 0,0 EUR
  • on EBAY

Unison Research S2K valve amplifier

End: 28.01. 2019 01:28:38 on Monday
  • Condition: Used
  • Price: 692.1 EUR Auktion
  • Status: sold
  • Item number: 123604537778
  • Counter: 218
  • Bids: 1
  • Seller: jaybh30 (1107|100.0%)
  • Seller information: non commercial
  • Item location: Rochdale Großbritannien
  • Ships to: None
  • Shipping: 0,0 EUR
  • on EBAY

S2K Unison Research Röhrenvollverstärker " TOP Zustand "

End: 04.09. 2018 21:56:15 on Tuesday
  • Condition: Used
  • Price: 790.0 EUR Auktion
  • Status: sold
  • Item number: 173509391001
  • Counter: 412
  • Bids: 1
  • Seller: pulpo1958 (111|100.0%)
  • Seller information: non commercial
  • Item location: Wachtberg Deutschland
  • Ships to: DE
  • Shipping: 8,49 EUR
  • on EBAY

+++ Kultverstärker Unison Research S2K in sehr gutem Zustand +++

End: 02.12. 2017 14:18:07 on Saturday
  • Condition: Used
  • Price: 915.0 EUR FESTPREIS
  • Status: sold
  • Item number: 302550157384
  • Counter: 70
  • Seller: hoheit0815 (226|100.0%)
  • Seller information: non commercial
  • Item location: Moers Deutschland
  • Ships to: None
  • Shipping: 0,0 EUR
  • on EBAY

integrated amplifier Unison Research S2K

End: 26.09. 2017 14:55:38 on Tuesday
  • Condition: Used
  • Price: 850.0 EUR FESTPREIS
  • Status: sold
  • Item number: 142517996040
  • Counter: 50
  • Seller: rampaolo (300|100.0%)
  • Seller information: Commercial
  • Item location: sastin-straze Slowakei
  • Ships to: Europe
  • Shipping: 30,0 EUR
  • on EBAY

Unison Research S2K Röhrenverstärker

End: 03.05. 2017 22:08:28 on Wednesday
  • Condition: Used
  • Price: 802.0 EUR Auktion
  • Status: sold
  • Item number: 232311468057
  • Counter: 801
  • Bids: 33
  • Seller: 260470rainer (430|100.0%)
  • Seller information: non commercial
  • Item location: Schwerin Deutschland
  • Ships to: DE
  • Shipping: 0,0 EUR
  • on EBAY

Unison Research S2K

End: 14.08. 2016 11:24:03 on Sunday
  • Condition: Used
  • Price: 1150.0 EUR FESTPREIS
  • Status: sold
  • Item number: 222209267940
  • Counter: 197
  • Seller: hifi-speziell (633|100.0%)
  • Seller information: Commercial
  • Item location: Hilchenbach Deutschland
  • Ships to: EuropeanUnion
  • Shipping: 50,0 EUR
  • on EBAY

Unison Research S2K, High End Röhrenvollverstärker, Tube Amplifier, Röhren-Amp

End: 24.04. 2016 14:33:04 on Sunday
  • Condition: Used
  • Price: 749.0 EUR FESTPREIS
  • Status: sold
  • Item number: 131784288467
  • Counter: 324
  • Seller: ringgeist6 (168|100.0%)
  • Seller information: non commercial
  • Item location: Waldsassen Deutschland
  • Ships to: DE
  • Shipping: 0,0 EUR
  • on EBAY

UNISON RESEARCH S2 K Amplificador integrado con Remote Control 1.

End: 18.04. 2016 12:58:19 on Monday
  • Condition: New
  • Price: 1995.0 EUR FESTPREIS
  • Status: sold
  • Item number: 272097827582
  • Counter: 672
  • Seller: wwwcinehificom (40|100.0%)
  • Seller information: Commercial
  • Item location: Tarrasa Spanien
  • Ships to: Worldwide
  • Shipping: 35,0 EUR
  • on EBAY

Unison Research S2K Röhrenvollverstärker Tube Amplifier Röhren-Amp KT88 Genalex

End: 11.03. 2016 10:41:37 on Friday
  • Condition: Used
  • Price: 1030.0 EUR FESTPREIS
  • Status: sold
  • Item number: 191820860865
  • Counter: 305
  • Seller: reksio20 (857|100.0%)
  • Seller information: non commercial
  • Item location: Düsseldorf Deutschland
  • Ships to: DE
  • Shipping: 0,0 EUR
  • on EBAY

Unison Research S2K Röhren-Verstärker, Class-A, single ended

End: 30.01. 2016 13:25:36 on Saturday
  • Condition: Used
  • Price: 1350.0 EUR FESTPREIS
  • Status: sold
  • Item number: 141886785862
  • Counter: 264
  • Seller: makroaudio (2385|100.0%)
  • Seller information: Commercial
  • Item location: BW Deutschland
  • Ships to: EuropeanUnion
  • Shipping: 50,0 EUR
  • on EBAY

Unison Research S2K Röhren-Verstärker, Class-A, single ended

End: 26.10. 2015 23:32:55 on Monday
  • Condition: Used
  • Price: 1350.0 EUR FESTPREIS
  • Status: sold
  • Item number: 131623094734
  • Counter: 947
  • Seller: makroaudio (2339|100.0%)
  • Seller information: Commercial
  • Item location: BW Deutschland
  • Ships to: EuropeanUnion
  • Shipping: 29,35 EUR
  • on EBAY

Unison Research S2K Röhren Vollverstärker wie neu, originalverpackt, N.P. 2475 ?

End: 06.10. 2015 14:40:41 on Tuesday
  • Condition: New: Other
  • Price: 1210.0 EUR Auktion
  • Status: sold
  • Item number: 221896874041
  • Counter: 652
  • Bids: 4
  • Seller: friedrich111156 (1125|100.0%)
  • Seller information: non commercial
  • Item location: Sipbachzell Österreich
  • Ships to: Worldwide
  • Shipping: 25,0 EUR
  • on EBAY

Unison Research S2K class A Röhrenverstärker

End: 09.09. 2015 06:08:15 on Wednesday
  • Condition: Used
  • Price: 1000.0 EUR FESTPREIS
  • Status: sold
  • Item number: 331649242658
  • Counter: 123
  • Seller: lenteninsel (364|100.0%)
  • Seller information: non commercial
  • Item location: Dortmund Deutschland
  • Ships to: DE
  • Shipping: 14,99 EUR
  • on EBAY

Unison Research S2K

End: 14.06. 2015 20:21:26 on Sunday
  • Condition: Used
  • Price: 1004.99 EUR Auktion
  • Status: sold
  • Item number: 141687343435
  • Counter: 879
  • Bids: 34
  • Seller: macbaylee (939|100.0%)
  • Seller information: non commercial
  • Item location: Leipzig Deutschland
  • Ships to: EuropeanUnion
  • Shipping: 32,0 EUR
  • on EBAY

Unison Research S2K

End: 24.05. 2015 23:38:27 on Sunday
  • Condition: Used
  • Price: 1065.67 EUR Auktion
  • Status: sold
  • Item number: 141669154627
  • Counter: 876
  • Bids: 25
  • Seller: macbaylee (932|100.0%)
  • Seller information: non commercial
  • Item location: Leipzig Deutschland
  • Ships to: EuropeanUnion
  • Shipping: 32,0 EUR
  • on EBAY

Unison Research S2K

End: 12.12. 2014 02:57:01 on Friday
  • Condition: New
  • Price: 1200.0 EUR FESTPREIS
  • Status: sold
  • Item number: 121515157763
  • Counter: 22
  • Seller: bas700 (197|100.0%)
  • Seller information: non commercial
  • Item location: Mühlheim am Main Deutschland
  • Ships to: EuropeanUnion
  • Shipping: EUR
  • on EBAY

Unison Research S2, umgerüstet auf KT88, Top!

End: 02.12. 2014 22:45:01 on Tuesday
  • Condition: Used
  • Price: 665.0 EUR Auktion
  • Status: sold
  • Item number: 321597181843
  • Counter: 1137
  • Bids: 31
  • Seller: morten.k (469|100.0%)
  • Seller information: non commercial
  • Item location: Köln Deutschland
  • Ships to: DE
  • Shipping: 0,0 EUR
  • on EBAY

Cyrus,Unison Research S2K,Audionote OTO SE,Graaf Venticinque,Canary Audio CSA608

End: 25.11. 2014 18:30:49 on Tuesday
  • Condition: Used
  • Price: 3.82 EUR FESTPREIS
  • Status: sold
  • Item number: 181594814225
  • Counter: 11
  • Seller: wierdhowler (395|100.0%)
  • Seller information: non commercial
  • Item location: Sheffield Großbritannien
  • Ships to: GB
  • Shipping: 1,6 EUR
  • on EBAY

Unison Research S2 Röhrenverstärker - Verstärker / EL34 valve amplifier - TOP!

End: 28.10. 2014 10:25:10 on Tuesday
  • Condition: Used
  • Price: 990.0 EUR FESTPREIS
  • Status: sold
  • Item number: 261641007981
  • Counter: 150
  • Seller: aster963 (54|100.0%)
  • Seller information: non commercial
  • Item location: NRW Deutschland
  • Ships to: Worldwide
  • Shipping: 100,0 EUR
  • on EBAY

Röhrenvollverstärker Unison Research S2K Röhrenverstärker wie Simply Italy

End: 25.10. 2014 21:40:59 on Saturday
  • Condition: Used
  • Price: 845.0 EUR Auktion
  • Status: sold
  • Item number: 181562819173
  • Counter: 937
  • Bids: 25
  • Seller: cori1000 (557|100.0%)
  • Seller information: non commercial
  • Item location: Lauterbach Deutschland
  • Ships to: DE
  • Shipping: 11,0 EUR
  • on EBAY

Unison research S2K Class A Röhrenverstärker Single ended

End: 26.02. 2014 15:49:42 on Wednesday
  • Condition: Used
  • Price: 1100.0 EUR FESTPREIS
  • Status: sold
  • Item number: 271411483901
  • Counter: 81
  • Seller: floarew (19|100.0%)
  • Seller information: non commercial
  • Item location: Passau Deutschland
  • Ships to: DE
  • Shipping: 0,0 EUR
  • on EBAY