8 Sylvania 6CG7 6FQ7 Vacuum Tubes Lot Of Eight 5750 Septal T22

8 Sylvania 6CG7 6FQ7 Vacuum Tubes Lot Of Eight 5750 Septal T22This lot of eight 6CG7 6FQ7 dual triodes was tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas and they measure as follows: 32 46, 45 64, 53 72, 56 32, 58 53, 59 36, 60 40 and 64 50 where minimum (65%) is 50 50 and 100% is 77 77. These are truce 6CG7s with shields between the triodes for reduced cross talkt. They have narrow gray plates and O getters. WE HAVE SCORES OF THOUSANDS OF VACUUM TUBES.

respectively

They're a bit microphonic

I have played it in my Musical Paradise 301 MK 3 and it sounds excellent -- airy with excellent dynamics and signal bandwidth

This RCA 807 output tube was tested with adapters on our Maxi-Matcher 2 for shorts

phi-shaped mica spacers

hydrofluoric acid-etched GE provenance dots and excellent flashing

5 milliamps' plate current and measured 2760 micromhos

They have chamfered top O getters

These nine new old stock

new in box RCA 6U10 tube tested to spec on our Paul Hart-calibrated TV7/U

I am playing it in my Musical Paradise as I write MP-301 and it sounds excellent

Tube one measured 30 in its triode section where minimum (65%) is 25 and 100% is 38