Matched Pair RCA 6FQ7 / 6CG7 Vacuum Tubes NOS-Testing In Nixon's America This new old stock-testing milspec

This new old stock-testing milspec

they can put out as much as 2A3s and fell into disfavor because of socket supply issues

not included) with Aimee Mann's seminal "Magnolia" album and they sound terrific

3 dB (-92 dB is the Maxi-Matcher's noise floor)

Detector and First Audio 12AV6

Matched Pair RCA 6FQ7 / 6CG7 Vacuum Tubes NOS-Testing In Nixon's America This new old stock-testing milspecThis new old stock testing 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 76 73 while Tube Two measured 79 72 where minimum (65%) is 50 50 and 100% is 77 77. These tubes have steel support rods; ladder plates; side D getters and excellent flashing. As I write, I am playing them with adapters (not included) in my