Sylvania 12V6 12V6GT Vacuum Tube Valve Silver Top Chrome Dome NOS-Testing 6365 6664

Sylvania 12V6 12V6GT Vacuum Tube Valve Silver Top Chrome Dome NOS-Testing 6365 6664This Sylvania 12V66GT chrome dome silver top power tube was tested on our Paul Hart calibrated TV7 for shorts, gas and transconductance. There were no shorts or gas. It measured 69 where minimum (65%) is 46. BECAUSE OF THE BIZARRE, INTRUSIVE AND DRACONONIAN GERMAN PACKAGING REGULATIONS AND THE SEVERE FINES AND PRIVACY INTRUSIONS ASSOCIATED WITH THEM WE NO LONGER SHIP TO GERMAN ADDRESSES FROM JUNE 1, 2022. WE WILL HAPPILY SEND YOUR PACKAGE TO A

top O getters and excellent flashing

had excellent frequency response and was very quiet in my Bottlehead

They're a bit microphonic

This nicely-matched pair of General Electric 12AU7/ECC82 dual triodes was tested on our Paul Hart-calibrated TV7/U for shorts

new in box US-made 6CY5 tubes tested to spec on our Paul Hart-calibrated TV7/U

Tube Two measured 10

They have been tested on our Paul Hart-calibrated TV7/U where minimum (65%) is 40 and 100% is 62 and have the following values in descending order:

The four new old stock

It comes with a nice band and has a 17 jewel AR-18 in-house-made movement which is in excellent shape with no oxidation or water damage

clear recording with sparking highs and nice bass

new in box US-made 6X8 tubes tested to spec on our Paul Hart-calibrated TV7/U

These shields are 46 MM high with the top 33 MM encased in lead approximately 2