Matched Pair General Electric GE 6SJ7 6J8P Vacuum Tubes NOS-Testing Type Mesh Plate These four Super Silvertone 12A8GT

These four Super Silvertone 12A8GT tubes were tested for shorts

Gain: 16 / 16

It measured 22 where minimum (65%) is 26 and 100% is 40

I am playing it my Musical Paradise MC-3 single-ended integrated amplifier as I write with Aimee Mann's seminal "Magnolia" album and it sounds terrific

Matched Pair General Electric GE 6SJ7 6J8P Vacuum Tubes NOS-Testing Type Mesh Plate These four Super Silvertone 12A8GTThis new old stock testing, 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 57 for both tubes where minimum (65%) is 40. They have 3 13 188 5 and 3 26 188 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 THOUSANDS OF VACUUM TUBES. IF