RCA 6CG7 / 6FQ7 Vacuum Tube With Shields NOS-Testing For Your Schiit VT119 NOS NIB Philco-BRANDED 5Y3GT rectifier tube was

Philco-BRANDED 5Y3GT rectifier tube was tested on our Paul Hart-calibrated TV7/U for shorts

This matched pair of RCA-MANUFACTURED 6K6GT tubes was tested on our Maxi-Matcher 400 volts on the plates and a bias of -36 volts for shorts

This JJ 12AX7 / ECC83 / ECC83S dual triode was tested on our Paul Hart-calibrated TV7/U for shorts

giving you not only a different sonic signature because of that characteristic

This RCA 6AX5GT rectifier tube tested 56/52 on our Paul Hart-calibrated TV7/U where minimum (65%) is 40/40 and 100% is 62/62

RCA 6CG7 / 6FQ7 Vacuum Tube With Shields NOS-Testing For Your Schiit VT119 NOS NIB Philco-BRANDED 5Y3GT rectifier tube wasThis new old stock testing RCA 6CG7 6FQ7 dual triode tested a perfectly balanced 2600 2600 micromhos on our Hickok 800. (New 6CG7s typically test from within a half standard deviation of 2600). This tube has anode radiators for cooler operation and longer tube life; steel support rods and gray plates. There is a shield between the triodes for reduced cross talk. I have played it in my Schiit Vali 2 headphone amplifier and it sounds outstanding. It is