Matched Pair RCA 6N7 JAN-CRC-6N7 VT96 Vacuum Tubes Milspec 25L6GT Pent Drawer

Matched Pair RCA 6N7 JAN-CRC-6N7 VT96 Vacuum Tubes Milspec 25L6GT Pent DrawerThis matched pair of milspec RCA JAN CRC 6N7 6N7 VT 96 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 49 51 while Tube Two measured 51 54 where minimum (65%) is 38 38 and 100% is 58 58. These tubes have H4E and K6E date codes, respectively. These are 6N7 tubes. They are not 6SN7s! Unfortunately, I can't tell you how they sound as we do not have any

5 amps for their filaments as compared to

Though primitive

new in box RCA 5AM8 tubes tested to spec on our Paul Hart-calibrated TV7/U

It is a faithful transfer of the 78 sources and

They tested 50/50

This matched pair of new old stock-testing General Electric / GE 12SN7 12SN7GTA dual triodes was tested on our Jackson 648 Mutual Conductance tester for shorts

74/64 and 81/68 where minimum (65%) is 50/50 and 100% is 77/77

Tube One measured 82/81 while Tube Two measured 84/78 where minimum (65%) is 50/50

copper support rods and a 1U7 ‡6H date/provenance code

new in box Sylvania 2A4G tube tested to spec

Transconductance measured (From left to right): 42

Flashing Quality: fair