7 RCA 6CD6 6CD6G 6CD6GA Vacuum Tubes Valves NOS-Testing Lot Of Seven December 30 2023

7 RCA 6CD6 6CD6G 6CD6GA Vacuum Tubes Valves NOS-Testing Lot Of Seven December 30 2023These seven new old stock, new in box (one total) new old stock testing (six total) RCA 6CD6G and 6CD6GA tubes tested as follows on our Paul Hart calibrated TV7 U: 65, 65, 66, 66, 70, 72 and 88 where minimum (65%) is 33 and 100% is 50. WE HAVE SCORES OF THOUSANDS OF VACUUM TUBES. IF IT'S NOT LISTED, WE MAY HAVE IT. PLEASE ALSO SEE OUT ETSY SISTER SITE "LOWTECHTWOO" AND OR CALL OR TEXT US AT 202 372 6931 IF YOU DO NOT SEE WHAT YOU NEED OR HAVE ANY

new in box Mullard 6HA5 / EC900 tube tested to spec on our Paul Hart-calibrated TV7/U

This pressing has moderate surface noise audible in quiet passages and in moderate passages

2 for Tube Two

excellent flashing and an O getter

This matched pair of GE 6K6 6K6GT tubes was tested on our Maxi Matcher 2 with 325 volts on the plates and a bias of -36 volts for shorts

These mesh plate National Union number 78 tube were tested on our Paul Hart-calibrated TV7/U for shorts

new in box Sylvania 8EB8 8GN8 tube tested to spec on our Paul Hart-calibrated TV7/U

48 and 55 where minimum (65%) is 36 and 100% is 55

They have 56-26 188-4 and 61-26 188-4 date/provenance codes

Plate current measured 17

I am playing them with adapters (not included) in my Alan Eaton single-ended 45 amplifier and they sound great

These four Philco clear bottle type / number 41 tubes tested as follows on our Paul Hart-calibrated TV7/U: