Matched Pair RCA 6V6 JANCRC6V6 Vacuum Tubes Milspec Metal Bottle NOS-Testing

Matched Pair RCA 6V6 JANCRC6V6 Vacuum Tubes Milspec Metal Bottle NOS-TestingThis new old stock testing matched pair of milspec RCA metal bottle JAN CRC 6V6 output tubes was tested on our Maxi Matcher 2 with 400 volts on the plates and a bias of 36 volts for shorts, gas and transconductance. There were no shorts or gas. Tube One drew 23. 5 milliamps' plate current and measured 2760 micromhos. Tube Two tested 24. 6 2850. (New US made 6V6s typically test with plate current from the mid teens to mid 30s with transconductance from

This cooling chimney/shield fits a 6L6GC nicely and with room to spare on top

a riveted-disk getter

It measured 58/50 where minimum (65%) is 40/40 and 100% is 62/62

We also have Soviet-era tubes to go with it

These three Sylvania 7J7s tested to spec on our Paul Hart-calibrated TV7/U

Transconductance measured 58 for Tube One and 58 for Tube Two where minimum (65%) is 40

One the plus side

CONN-BRANDED and CONN-SELECTED 12AU7A / ECC82 dual triode was tested on our Paul Hart-calibrated TV7/U for shorts

new in box RCA milspec 5763 / JRC-5763 tubes tested to spec on our Paul Hart-calibrated TV7/U

I am listening as I write and this album sounds excellent with only an occasional click and pop

5 record cleaner and then played it on my He-Man Rig which consists of a Rega Planar Three with an Ortofon X5-MC cartridge on an RB-300 tone arm with a Cern Audio Dual 6SN7 / 6SL7 phono preamp / preamp feeding my Bottlehead headphone amplifer driving Sennheaiser HD 580 cans

new in box GE 21LU8 tubes tested to spec on our Paul Hart-calibrated TV7/U