2 US-Made 1625 / VT-136 Vacuum Tubes Milspec NOS-Testing Lot Of Two 12T10 NOS side D-getters and excellent flashing

side D-getters and excellent flashing

Tube One measured 66/71 while Tube Two measured 68/67

This Sylvania 6GT5 tube tested to spec on our Paul Hart-calibrated TV7/U

There were no shorts or gas and they measured 45/45

This lot of six US-made 6W6GT tubes was tested on our Paul Hart-calibrated TV7/U for shorts

2 US-Made 1625 / VT-136 Vacuum Tubes Milspec NOS-Testing Lot Of Two 12T10 NOS side D-getters and excellent flashingThis new old stock testing matched pair of US made 1625 VT 136 output triodes was tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas. Transconductance measured 68 for Tube One and 78 for Tube Two where minimum (65%) is 40 and 100% is 62. These tubes have excellent flashing; Micanol bases; double, dimpled sheet getters and two additional support rods per tube for increased rigidity and lowered