Matched Pair General Electric GE 6C4 6C4WA Vacuum Tubes Milspec NOS NIB Zenith Drawer wire snubbers for lowered microphonics

wire snubbers for lowered microphonics

There are practically-no pops and ticks

I wish I could tell you how they sound and from what I can suss out

Tube One measured 1630 micromhos

new in box Zenith 6DQ4 tube tested to spec on our Paul Hart-calibrated TV7/U

Matched Pair General Electric GE 6C4 6C4WA Vacuum Tubes Milspec NOS NIB Zenith Drawer wire snubbers for lowered microphonicsThis perfectly matched pair of milspec GE 6C4 6C4WA triodes was tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas. Both tubes measured 72 where minimum (65%) is 55 and 100% 85. They have gray plates; top O getters and two additional support rods for increased ruggedness and microphony suppression. These tubes have acid etched codes and designations as well as silk screened 68 26 188 5 67 50