Matched Pair Toshiba 6FQ7 6CG7 Vacuum Tubes Copper Support Rods Oris 20MM End Link even though they test on

even though they test on the cusp

54 and 66 where minimum (65%) is 42

These five Philco Type 37 triodes were tested on our Paul Hart-calibrated TV7/U for shorts

THE PRODUCT DEVELOPMENT AND IMPROVEMENT CYCLE IS OV

Matched Pair Toshiba 6FQ7 6CG7 Vacuum Tubes Copper Support Rods Oris 20MM End Link even though they test onThis matched pair of 6FQ7 dual triodes was tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas. Transconductance measured 73 in Section One and 73 in Section Two for Tube One and 75 70 in Tube Two where minimum (65%) is 50 50 and 100% is 77 77. They have short, gray plates; O getters; copper support rods and excellent flashing. As I write, I am playing them in my Sound Craftsmen RC 2 monoblocks