Matched Pair RCA JAN-CRC-6SJ7 6SJ7 VT116 Vacuum Tubes Valves Milspec World War Two Vintage

Matched Pair RCA JAN-CRC-6SJ7 6SJ7 VT116 Vacuum Tubes Valves Milspec World War Two VintageThis matched pair of World War Two vintage, milspec RCA VT 116 JAN CRC 6SJ7 6SJ7 tubes was tested on our on our Paul Hart calibrated TV7 for shorts, gas and transconductance. There were no shorts or gas. Transconductance measured 51 for both tubes. (Minimum (65%) is 40.) They have K4E and V4E SC 278A codes, respectively. I am playing them as I write in my Musical Paradise MP 301 MK3 and they sound excellent. They are not suitable for guitar amp

new in box Sylvania 12AV5GA tubes tested to spec on our Paul Hart-calibrated TV7/U

This lot of RCA 2050 thyratron tubes were tested on our Paul Hart-calibrated TV7/U

round mica spacers

indicating they were made by Sylvania

All of these tubes have very-good-testing triodes and each has a strong-testing as well as a functioning diode

Brands are indicated on the boxes

This paperback book is in good condition

1 milliamps' plate current

Picture Three) and 2500 for Tube Two (Cracked base

This beautiful new old stock-testing Sylvania-MANUFACTURED

This trio of Matsushita 11BM8 / LCL82 / 12DZ8 triode/pentodes was tested on our Paul Hart-calibrated TV7 for shorts

This nearly-perfectly-matched pair of GE 6SJ7s was tested on our Paul Hart-calibrated TV7/U for shorts