4 RCA 6FQ7 / 6CG7 Vacuum Tubes Lot Of Four 14AF7 T11 Transconductance measured 62 for Tube

Transconductance measured 62 for Tube One and 63 for Tube Two where minimum (65%) is 40 and 100% is 62

This lot of three RCA Milspec 6B8 / VT-93 tubes was tested on our Paul Hart-calibrated TV7/U for shorts

This new old stock-testing GE 5V4G rectifier tube was tested on our Paul Hart-calibrated TV7/U

Kreisler and Bach played masterfully by Abramas Sipolniek on Organ

coin bases

4 RCA 6FQ7 / 6CG7 Vacuum Tubes Lot Of Four 14AF7 T11 Transconductance measured 62 for TubeThis 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: 34 49, 57 43, 62 35 and 74 56 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. This lot tests low in some cases and uneven in all. That said, they should work fine in