5 Sylvania 6AX4 6AX4GT Vacuum Tubes Valves Lot Of Five October 19 2023 new in box matched pair

new in box matched pair of RCA black plate 6DQ5 tubes was tested on our Paul Hart-calibrated TV7/U for shorts

I am playing it in Bottlehead Crack headphone amplifier as a 12AU7 substitute and it sounds excellent

Transconductance measured 35

This lot of four Hytron coated glass 50L6GT tubes was tested on our Paul Hart-calibrated TV7/U for shorts

coke-bottle-shape glass envelopes and terrific flashing

5 Sylvania 6AX4 6AX4GT Vacuum Tubes Valves Lot Of Five October 19 2023 new in box matched pairThese five Sylvania MANUFACTURED (one is Philco LABELED) 6AX4GT rectifier tubes were tested on our Paul Hart calibrated TV7 U for shorts, gas and emissions. There were no shorts or gas. They tested 54, 54, 54, 56 and 57 where minimum (65%) is 40. 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