Matched Pair Toshiba 8FQ7 8CG7 6FQ7 6CG7 Vacuum Tubes Copper Support Rods Bach OM 555 032 Sylvania-LABELED 11BM8 tested to spec

Sylvania-LABELED 11BM8 tested to spec on our Paul Hart-calibrated TV7/U

An eight out of ten with an ice bottom end

Tube Two measured 1750/23

but tests on the low side for a new tube

perfectly-matched pair of RCA 5879 tubes was tested on our Paul Hart-calibrated TV7

Matched Pair Toshiba 8FQ7 8CG7 6FQ7 6CG7 Vacuum Tubes Copper Support Rods Bach OM 555 032 Sylvania-LABELED 11BM8 tested to specThis matched pair of 8FQ7 dual triodes was tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas. Transconductance measured 45 in Section One and 50 in Section Two for Tube One and 50 44 in Tube Two where minimum (65%) is 50 50 and 100% is 77 77. They have gray plates; copper support rods and excellent flashing. As I write, I am playing them in my Sound Craftsmen RC 2 monoblocks with at 6. 3 rather