4 US-Made 6H6 6H6G Vacuum Tubes Valves Shoulder ST-Shape Lot Of Four ECC82 Or Univalve They have E5E and E5E

They have E5E and E5E date codes

This matched pair of Ken-Rad black glass 6K6GT tubes was tested on our Maxi-Matcher tube tester with 325 volts on the plates and a bias of -36 volts

copper support rods and gray plates

new in box GE 6FM7 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 They have E5E and E5EThese 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