4 US-Made 25L6 25L6G Vacuum Tubes Valves Lot Of Four Shoulder ST Shape NOS-Testing 6L7 JANCKR6L7 VT87 transconductance and gas

transconductance and gas

EIA Factory Codes: RCA livery

This 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

This new old stock-testing matched pair of milspec RCA JAN-CRC-6F6 / VT-66 tubes was tested on our Maxi-Matcher 325 volts on the plates and a bias of -36 volts for shorts

3/2310 (New US-made 6V6s typically test with plate current from the mid teens to mid 30s with transconductance from 2300 micromhos or so

4 US-Made 25L6 25L6G Vacuum Tubes Valves Lot Of Four Shoulder ST Shape NOS-Testing 6L7 JANCKR6L7 VT87 transconductance and gasThese four new old stock testing, US made, clear bottle 25L6G tubes were tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas. They measured 62, 63, 64 and 66 where minimum (65%) is 45. WE HAVE SCORES OF THOUSANDS OF VACUUM TUBES. IF IT'S NOT LISTED, WE MAY HAVE IT. PLEASE ALSO SEE OUT ETSY SISTER SITE "LOWTECHTWOO" AND OR CALL OR TEXT US AT 202 372 6931 IF YOU DO NOT SEE WHAT YOU NEED OR HAVE ANY