RCA12AU7 ECC82usedRCA 12AU7 ECC82 Black Plate Tubes, Matched Quad, Test NOS, 1950'sHello – I have a matched quad 1950's RCA 12AU7 ECC82 black plate tubes for sale. These tubes say Conn on them. They were made for use in Conn organs. I cleaned out an organ repairman's shop last y...120.00

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RCA 12AU7 ECC82 Black Plate Tubes, Matched Quad, Test NOS, 1950's [Expired]


no longer for sale

Hello – I have a matched quad 1950's RCA 12AU7 ECC82 black plate tubes for sale. These tubes say Conn on them. They were made for use in Conn organs. I cleaned out an organ repairman's shop last year. These have 17 mm long black ladder plates and a D getter. They were made in the mid 1950's. They are all NOS testing. TV-7/B test results: all tubes test at ≥ 105 per section. Minimum is 56. They have also been checked for noise and microphonics in the phono stage of my DIY pre-amp and are dead quiet. All tubes are tested on my Dan Nelson calibrated TV-7/B or on my calibrated Hickok 539C. All of these tubes have been tested for transconductance, shorts, gas, leakage and life. All tubes meet or exceed manufacturer published specifications of transconductance (Gm) for the specified tube type. All tests are tested twice – prior to the listing and prior to shipping. Please e-mail me if you have any questions. Please check out my other ad’s on Audiogon. If you don’t see the tubes you are looking for, please contact me. Be sure and click on the “other items’ link for more tubes. I will ship international. Shipping in the USA is $5.00. Canadian shipping is $18.00 and international shipping by priority mail is $50.00. Your tubes will be carefully packed. No charge for paypal. Please check my feedback and buy with confidence.