Matched Pair General Electric GE 6FQ7 / 6CG7 Vacuum Tubes Valves Copper Support Rods NOS NIB

Matched Pair General Electric GE 6FQ7 / 6CG7 Vacuum Tubes Valves Copper Support Rods NOS NIBThis 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

They are dead quiet when the SACD player is muted but are not recommended for this amp -- which was designed for 6SN7s -- as they not only break up early

5 record cleaner and then played it on my Rega Planar Threes

rounded plates

Most should work in non-critical applications and others might sound great

It sounded great in my Bottlehead

IT IS YOUR RESPONSIBIILTY TO INTERACT WITH YOUR CUSTOMS AND POSTAL AUTHORITIES TO FIND THE PACKAGE

I just cleaned this two (of three) record LP set on my VPI 16

This matched trio of RCA 6BY5GA tubes were tested on our Paul Hart-calibrated TV7/U for shorts

RCA-MANUFACTURED) and 1350 for Tube Two (Philco-LABELED

66 and 71 where minimum (65%) is 42

new in box RCA 6BK7B tube tested to spec on our Paul Hart-calibrated TV7/U

This new old stock-testing -- and looking