11 US-Made Number Type 27 #27 Vacuum Tubes Valves Lot Of Eleven Ken-Rad Octal 25 out of 10

25 out of 10

new in box and tested to spec on our Paul Hart-calibrated TV7/U

It is in pretty good shape with light-to moderate surface noise (pops and ticks) and no scratches

1 % CHANCE THIS MIGHT HAPPEN

Tube One Transconductance: 45/45

11 US-Made Number Type 27 #27 Vacuum Tubes Valves Lot Of Eleven Ken-Rad Octal 25 out of 10These eleven US made number type 27 tubes tested below the cusp some far below, but still usable especially in experimental situations where the tube might be damaged on our Paul Hart calibrated TV7 U. Transconductance readings are 15, 18, 18, 19, 21, 22, 22, 24, 24, 24 and 24 where minimum (65%) is 25 and 100% is 38. 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