Hello – I have a matched quad of Sylvania chrome top 6SN7GTA tubes for sale.
These tubes are NOS testing.
These tubes have triangular black plates with foil getters at the top of the tubes. They were made in the early 1950's.
They have identical construction to the 6SN7GTB Chrome Top tubes.
TV-7/B test results: 92/92, 92/88, 90/96 and 86/86. Minimum is 50.
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 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 is $9 in the USA. Canadian shipping is $16.00 and international shipping by priority mail is $46.00.
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.