4 RCA 6FQ7 / 6CG7 Vacuum Tubes Lot Of Four Sleeve of Five 5

4 RCA 6FQ7 / 6CG7 Vacuum Tubes Lot Of Four Sleeve of Five 5This lot of four RCA 6FQ7 6CG7 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: 58 51, 72 65, 74 64 and 81 68 where minimum (65%) is 50 50 and 100% is 77 77 These tubes have steel support rods; side, D getters; tall, gray, ladder, plates and excellent flashing. WE HAVE SCORES OF THOUSANDS OF VACUUM TUBES. IF IT'S NOT LISTED, WE MAY HAVE IT. PLEASE

new in box matched pair of GE 12SN7GTA dual triodes was tested on our Paul Hart-calibrated TV7/U for shorts

INTRUSIVE AND DRACONONIAN GERMAN PACKAGING REGULATIONS -- AND THE SEVERE FINES AND PRIVACY INTRUSIONS ASSOCIATED WITH THEM -- WE NO LONGER SHIP TO GERMAN ADDRESSES

This GE 11BT11 tube tested to spec on our Paul Hart-calibrated TV7/U

There were made by Sovtek's predecessor during The Cold War and

On the TV7/U with bias set to 30 (5963) it measured 66/56 where minimum (65%) is 56/56

5 record cleaner and then played it on my Rega Planar 1 and played it on my Rega Planar 1

It measured 58/56 where minimum (65%) is 40/40 and 100% is 62/62

new in box Sylvania Gold Brand industrial 6AL5 / 5726 / 6097 tubes tested to spec on our Paul Hart-calibrated TV7/U

These five milspec Ken-Rad 12SR7 / VT-133 / JAN-CKR-12SR7 tubes tested to spec on our Paul Hart-calibrated TV-7/U

This matched pair of milspec RCA VT-116 / JAN-CRC-6SJ7 / 6SJ7 tubes was tested on our on our Paul Hart-calibrated TV7/U for shorts

These tubes were made in the same factory and come from that cusp in time after the RCA buyout of Cunningham

Tube Nine: 40/2460 and