Matched Pair Sylvania 6V6 6V6GT Gray And Silver Bottle Silver Top Vacuum Tubes NOS-Testing Channel Master Special Features: none

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

This matched pair of RCA Cunningham Radiotron Type 49 output tubes was tested on our Paul Hart-calibrated TV7/U for shorts

This lot of two US-made type 224 globe

This Lorenz 6AQ8 / ECC85 tube was tested on our Paul Hart-calibrated TV7/U for shorts

Matched Pair Sylvania 6V6 6V6GT Gray And Silver Bottle Silver Top Vacuum Tubes NOS-Testing Channel Master Special Features: noneThis 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