Matched Pair Sylvania 6V6 6V6GT Gray And Silver Bottle Silver Top Vacuum Tubes NOS-Testing Channel Master This lot of two US-made

This lot of two US-made type 224 globe

This milspec Brimar CV4014 / 6064 / EF91 / 6AM6 tube tested to spec on our Paul Hart-calibrated TV-7/U

new in box GE 6AH4GT tubes tested to spec on our Paul Hart-calibrated TV7/U

had excellent frequency response and was very quiet

Matched Pair Sylvania 6V6 6V6GT Gray And Silver Bottle Silver Top Vacuum Tubes NOS-Testing Channel Master This lot of two US-madeThis new old stock testing matched pair of silver top Sylvania 6V6GT output tubes was tested on our Maxi Matcher 2 for shorts, gas and transconductance. There were no shorts or gas. Plate current measured 24. 5 milliamps and transconductance was 2480 micromhos for Tube One. Tube Two measured 25. 4 2660. (New US made 6V6s typically test with plate current from the mid teens to mid 30s with transconductance from 2300 micromhos or so.) They have tall