6 RCA 50B5 Vacuum Tubes Valves Black Plate Lot Of Six 5V6GT Octal This matched-pair of GE 6AU6A

This matched-pair of GE 6AU6A tubes was tested on our Paul Hart-calibrated TV7/U tube tester for shorts

not included) and they sound excellent

IF THERE WERE A TEST FOR FUTURE FAILURE

There was no gas

Transconductance: 2710 micromhos

6 RCA 50B5 Vacuum Tubes Valves Black Plate Lot Of Six 5V6GT Octal This matched-pair of GE 6AU6AThese six RCA black plate RCA 50B5 tubes were tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas and they measured as follows: 40, 44, 48, 48, 61 and 66 where minimum (65%) is 45. 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