This listing is for a pair of Cunningham 6SJ7 metal can vacuum tube that have been tested on a TV-7A/U tester. Passing value according to the TV-7A/U book is 60. Measurements below: Tube 1: Gm: 64 Tube 2: Gm: 66
60%
Pair of Cunningham 6SJ7 metal can Vacuum Tube – Tested Closely Matched
Original price was: $10.82.$6.49Current price is: $6.49.
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