4 RCA 6FQ7 / 6CG7 Vacuum Tubes Lot Of Four Sleeve of Five 5 5 record cleaner and then

5 record cleaner and then played it on my Rega Planar 1 and played it on my Rega Planar 1

new in box matched pair of GE 12SN7GTA dual triodes was tested on our Paul Hart-calibrated TV7/U for shorts

These tubes were made in the same factory and come from that cusp in time after the RCA buyout of Cunningham

On the TV7/U with bias set to 30 (5963) it measured 66/56 where minimum (65%) is 56/56

It measured 58/56 where minimum (65%) is 40/40 and 100% is 62/62

4 RCA 6FQ7 / 6CG7 Vacuum Tubes Lot Of Four Sleeve of Five 5 5 record cleaner and thenThis lot of four RCA 6FQ7 6CG7 dual triodes was tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas and they measure as follows: 58 51, 72 65, 74 64 and 81 68 where minimum (65%) is 50 50 and 100% is 77 77 These tubes have steel support rods; side, D getters; tall, gray, ladder, plates and excellent flashing. WE HAVE SCORES OF THOUSANDS OF VACUUM TUBES. IF IT'S NOT LISTED, WE MAY HAVE IT. PLEASE