Sylvania 12AT7 12AT7WA ECC81 Gold Brand Tubes - Matched Quad, NOS - 1959

Hello – I have a tightly matched quad of 1959 Sylvania Gold Brand mil-spec 12AT7WA 12AT7 ECC81 tubes for sale.

These are NOS tubes.

These tubes have triple mica construction, gray plates and double bar "D" getters. They have matching 1959 date codes.

TV-7/B test results: 90/90, 90/90, 90/90 and 90/90. Minimum is

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 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.

Free shipping in the USA. Canadian shipping is $10.00 and international shipping by first class is $16.00.

Your tubes will be carefully packed.

No charge for paypal. I also accept money orders and personal checks.

Please check my feedback and buy with confidence.