Matched Pair General Electric GE 6K6 6K6GT Vacuum Tubes Black Glass Silvertone Gebraucht

Matched Pair General Electric GE 6K6 6K6GT Vacuum Tubes Black Glass Silvertone GebrauchtThis matched pair of GE 6K6 6K6GT tubes was tested on our Maxi Matcher 2 with 325 volts on the plates and a bias of 36 volts for shorts, gas, plate current and transconductance. There were no shorts or gas. Tube One measured 1200 micromhos, 18. 6 milliamps' plate current. Tube Two measured 1510 18. 7. New nominal is within one standard deviation of 1900. These tubes have copper support rods; rectangular mica spacers; black and silver bottles and 3 52

I am listening as I write and this album sounds pretty good with only an occasional click and pop

These four Sylvania-MANUFACTURED 6U7G tubes were tested on our Paul Hart-calibrated TV7/U for shorts

This matched trio of RCA 5Z4 rectifier tubes were tested on our Paul Hart-calibrated TV7/U for shorts

art nouveau look

This Tung-Sol 0B3 / OB3 tube tested to spec on our Paul Hart-calibrated TV7/U

Tube One Transconductance: 45/45

This CBS-Hytron 117Z3 tube tested to spec on our Paul Hart-calibrated TV7/U

steel support rods and excellent flashing

new in box GE 6AU5GTs

It is sold as-is with no returns

They tested (from left to right) as follows: 38

new in box RCA number / type #38 tube tested to spec on our Paul Hart-calibrated TV7/U