Matched Pair General Electric GE 6FQ7 / 6CG7 Vacuum Tubes Valves Copper Support Rods NOS NIB Recordings Stereo I am playing them in

I am playing them in my ArtSound single-ended 805 monoblocks with Steely Dan’s seminal "Aja" album

This hardcover book is in very good condition

These tubes have dark

They tested as follows: 40/32

This lot of four Tung-Sol 6AC7s was tested on our Paul Hart-calibrated TV7/U for shorts

Matched Pair General Electric GE 6FQ7 / 6CG7 Vacuum Tubes Valves Copper Support Rods NOS NIB Recordings Stereo I am playing them inThis new old stock, new in box nearly perfectly matched pair of GE MANUFACTURED 6FQ7 6CG7 dual triodes was tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas. Tube One measured 76 74 while Tube Two (GE MANUFACTURED, ZENITH LABELED) measured 76 76 where minimum (65%) is 50 50 and 100% is 77 77. These tubes have copper support rods; top O getters, gray ladder plates; excellent flashing and three