Matched Pair General Electric GE 6V6 6V6GT Vacuum Tubes Black Glass RCA Gray Glass This album sounds bright

This album sounds bright

This new old stock-testing matched pair of silver top Sylvania 6V6GT output tubes was tested on our Maxi-Matcher 2 for shorts

This lot of four Ken-Rad 6N7 / 6N7GT tubes tested to spec on our Paul Hart-calibrated TV7/U

There were no shorts or gas and it measured 40/44 where minimum (65%) is 32/32 and 100% is 49/49

new in box GE 6AS8 tubes tested to spec on our Paul Hart-calibrated TV7/U

Matched Pair General Electric GE 6V6 6V6GT Vacuum Tubes Black Glass RCA Gray Glass This album sounds brightThis new old stock testing matched pir of GE 6V6GT output tubes was tested on our Maxi Matcher 400 volts on the plates and a bias of 36 volts for shorts, gas and transconductance. There were no shorts or gas. Tube One drew 21. 3 milliamps with a transconductance of 2700 micromhos while Tube Two measured 22. 1 2520. (New US made 6V6s typically test with plate current from the mid teens to mid 30s with transconductance from 2300 micromhos or so.) These