Matched Pair Sylvania 6V6 6V6GT/G Vacuum Tubes Silver And Gray NOS-Testing

Matched Pair Sylvania 6V6 6V6GT/G Vacuum Tubes Silver And Gray NOS-TestingThis new old stock testing matched pair of Sylvania silver and gray 6V6GT G 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 20. 9 milliamps with a transconductance of 2390 micromhos while Tube Two measured 21. 6 2590. (New US made 6V6s typically test with plate current from the mid teens to mid 30s with transconductance from 2300

56 and 57 where minimum (65%) is 40

44 and 48 where minimum (65%) is 30

OEM-BRANDED 6K6GT tubes were tested on our Maxi Matcher 2 with 400 volts on the plates and a bias of --48 volts for shorts

not included) and it sounds outstanding

This lot of two Philco new old stock-testing Majestic gray and silver bottle type / number 38 tubes tested 44 and 49 on our Paul Hart-calibrated TV7/U where minimum (65%) is 26 and 100% is 40

Transconductance measured 50 for Tube One and 54 for Tube Two where minimum (65%) is 40

new in box Sylvania 1291 industrial-quality tubes tested to spec on our Paul Hart-calibrated TV7/U

Minimum (65%) is 50

top O getters and large anode radiators for cooler operation and extended tube life

This new old stock-testing matched pair of Sylvania silver and gray 6V6GT/G output tubes was tested on our Maxi-Matcher 400 volts on the plates and a bias of -36 volts for shorts

new in box GE 1L4 tubes tested to spec on our Paul Hart-calibrated TV7/U

This new old stock-testing RCA clear top