Matched Pair RCA 6FQ7 / 6CG7 Vacuum Tubes NOS NIB 35 Thirtyfive engraved/stamped base

engraved/stamped base

new in box Sylvania 5U8 tubes tested to spec on our Paul Hart-calibrated TV7/U

There were no shorts or gas and emissions measured as follows:

these tubes will perform excellently

Charles Treger and Charles Wadsworth

Matched Pair RCA 6FQ7 / 6CG7 Vacuum Tubes NOS NIB 35 Thirtyfive engraved/stamped baseThis new old stock, new in box matched pair of RCA 6FQ7 6CG7 dual triodes was tested on our TV7 U for shorts, gas and transconductance. There were no shorts or gas and their readings are as follows: Tube One measured 75 75 while Tube Two measured 77 75 where minimum (65%) is 50 50 and 100% is 77 77. These tubes have steel support rods; ladder plates and side D getters. I played them with adapters (not included) in my Radio Craftsmen RC 2 monoblocks