Matched Pair General Electric GE 6SJ7 6J8P Vacuum Tubes NOS-Testing Radio Craftsmen RC-2 2 milliamps with a transconductance

2 milliamps with a transconductance of 5640 micromhos

top mica spacer and a bottom

Tube Five (triode): 46

This new-looking Baird Atomic GS10C/S CV2325 Dekatron counting tube looks new

Matched Pair General Electric GE 6SJ7 6J8P Vacuum Tubes NOS-Testing Radio Craftsmen RC-2 2 milliamps with a transconductanceThis new old stock testing, nearly perfectly matched pair of GE 6SJ7s was tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas. Transconductance measured 62 for Tube One and 64 for Tube Two where minimum (65%) is 40. They have 4 48 188 5 and 5 43 188 5 date provenance codes, respectively. I am playing them as I write in my Musical Paradise MP 301 MK3 and they sound excellent. WE HAVE SCORES OF