2 US-Made 6BG6 6BG6G 6BG6GA Vacuum Tubes Lot Of Two

2 US-Made 6BG6 6BG6G 6BG6GA Vacuum Tubes Lot Of TwoThis new old stock testing pair of US made 6BG6GA output tubes was tested on our Maxi Matcher with 400 volts on the plates and a bias of 48 volts for shorts, gas and transconductance. There were no shorts or gas. Transconductance measured 2350 micromhos for Tube One and 2760 for Tube Two. Plate current draw was 23. 5 milliamps for Tube One and 34. 3 for Tube Two. (New US made 6BG6s typically test with plate current from the mid 20s to mid 50s with

This new old stock-testing matched trio of Sylvania 6N6G tubes was tested on our Paul Hart-calibrated TV7/U for shorts

steel snubbers for lowered microphonics

new in box milspec RCA 12SG7 JAN-CRC-12SG7 tube tested to spec on our Paul Hart-calibrated TV7/U

I just cleaned this LP on our VPI 16

There were made by Sovtek's predecessor during The Cold War and

These for new old stock

coke-bottle-shape glass envelopes and terrific flashing

Tube One: 54/68

Tube One drew 20

This lot of two Sylvania 35Z3 rectifier tubes tested 52 and 60 on our Paul Hart-calibrated TV7/U where minimum (65%) is 40 and 100% is 62

This lot of three US-made type 42 tubes was tested our Paul Hart-calibrated TV7/U for shorts

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