Matched Pair RCA 6FQ7 / 6CG7 Vacuum Tubes MSR but the bottle is firmly-cemented

but the bottle is firmly-cemented to it and there is no movement at all possible

but the time can be set

black plates and bottom

Moore and the sleeve needs to be taped or glued

This lot of six US-made type 43 tubes was tested our Paul Hart-calibrated TV7/U for shorts

Matched Pair RCA 6FQ7 / 6CG7 Vacuum Tubes MSR but the bottle is firmly-cementedThis 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 66 53 while Tube Two measured 67 57 where minimum (65%) is 50 50. 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 and they sounded great even though they test