Matched Pair RCA 6N7 JAN-CRC-6N7 Vacuum Tubes Milspec

Matched Pair RCA 6N7 JAN-CRC-6N7 Vacuum Tubes MilspecThis matched pair of milspec RCA JAN CRC 6N7 6N7 dual triodes was tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas. Tube One measured 48 49 while Tube Two measured 52 50 where minimum (65%) is 38 38. These are 6N7 tubes. They are not 6SN7s! Unfortunately I can't tell you how they sound as we do not have any equipment that uses them nor do we have adapters at this time. WE HAVE SCORES OF

This matched pair of Sylvania 6F6G tubes was tested on our Maxi-Matcher 325 volts on the plates and a bias of -36 volts for shorts

top to bottom) 25

new in box milspec 5719 / AF5-719A tubes in this listing

new in box Sprague TVL-4712 capacitor tested is rated 20 and 15 mfd at 450 volts and 20 and 20 mfd at 20 volts

They tested (from left to right) as follows: 36

That song was a monster hit and defined an entire summer if my memory is correct

1 milliamps' plate current

As many of you use just the triode section

new in box GE 21JS6A / 23JS6GA tested to spec on our Paul Hart-calibrated TV7/U

This new old stock-testing matched pair of Ken-Rad 6SJ7s was tested on our Paul Hart-calibrated TV7/U for shorts

The dust jacket is in excellent condition

These tubes have acid-etched codes and designations as well as silk-screened 67-05 67-22 188-5 and 68-26 188-5 67-50 production run/provenance codes