Matched Pair Tung-Sol 6K6 6K6GT Vacuum Tubes Black Glass

Matched Pair Tung-Sol 6K6 6K6GT Vacuum Tubes Black GlassThis matched pair of Tung Sol black glass 6K6GT tubes was tested on our Maxi Matcher tube tester with 325 volts on the plates and a bias of 36 volts. Tube One drew 26. 6 milliamps' plate current while Tube Two drew 27. 6. Transconductance was 1900 for Tube One and 1800 for Tube Two where new nominal is within one standard deviation of 1900. As I write, I am playing them in my Mini Mite 2013 and they sound great. WE HAVE SCORES OF THOUSANDS OF VACUUM

THERE IS RISK IN LIFE

This lot of three new old stock

I am playing them in my Bottlehead Crack headphone amplifier as I write

This album was cleaned on my VPI 16

Tube One measured 63 while Tube Two measured 67 where minimum (65%) is 43

Transconductance was 1900 for Tube One and 1800 for Tube Two where new/nominal is within one standard deviation of 1900

I am playing it in Bottlehead Crack headphone amplifier as a 12AU7 substitute and it sounds fine

new in box RCA 13GF7 13GF7A tubes tested to spec on our Paul Hart-calibrated TV7/U

slant-D getter and excellent flashing

This trio of Toshiba output tubes was tested on our Maxi-Matcher in Real World Conditions with 400 volts on the plates and a bias of -36 volts for shorts

5 record cleaner and then played on my Rega Planar Three with an Ortofon X5-MC cartridge

new in box US-made 12J8 tubes tested to spec on our Paul Hart-calibrated TV7/U