4 US-Made 6H6 6H6G Vacuum Tubes Valves Shoulder ST-Shape Lot Of Four ECC82 Or Univalve rounded plates

rounded plates

We also have Soviet-era tubes to go with it

new in box milspec Sylvania JHS-5977 tubes in this lot

(New US-made 6V6s typically test with plate current from the mid-teens to mid-thirties with transconductance from 2300 micromhos or so

new in box CBS 12DB5 tube tested to spec on our Paul Hart-calibrated TV7/U

4 US-Made 6H6 6H6G Vacuum Tubes Valves Shoulder ST-Shape Lot Of Four ECC82 Or Univalve rounded platesThese four US made 6H6G tubes were tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas. They measured 52 52, 53 53, 53 53 and 53 55 where minimum (65%) is 40 40 and 100% 62 62. So far, these are the only Coke bottle shape 6H6s I have seen in 25 years in the tube business. WE HAVE SCORES OF THOUSANDS OF VACUUM TUBES. IF IT'S NOT LISTED, WE MAY HAVE IT. PLEASE ALSO SEE OUT ETSY SISTER SITE