OTK Electro-Harmonix CV2492 6DJ8 E88CC Gold Pin Low Noise Saucer Getter Vacuum Tube Valve For Your Schiit NOS-Testing 6EC4A Noval new in box RCA 14Q7

new in box RCA 14Q7 tubes tested to spec in our Jackson 648 Mutual Conductance tester

25 watt precision resistors new old stock

These tubes have stout

copious flashing and a large

new in box Japanese Magnavox 10DE7 tube tested to spec on our Paul Hart-calibrated TV7/U

OTK Electro-Harmonix CV2492 6DJ8 E88CC Gold Pin Low Noise Saucer Getter Vacuum Tube Valve For Your Schiit NOS-Testing 6EC4A Noval new in box RCA 14Q7On Reverb This new old stock testing gold pin, milspec, low noise E88CC CV2492 6DJ8 ECC88 OTK dual triode was tested on our Paul Hart modified TV7 U for shorts, gas and transconductance. There were no shorts or gas. 6DJ8s are notoriously hard to test on most testers and Paul added ferrite rings to ameliorate this problem. It measured 77 90 where minimum (65%) is 62 62. Its silkscreening is ghostly and appears to have been done for Mullard. It was