Matched Pair Sylvania 6V6 6V6GT Gray And Silver Bottle Silver Top Vacuum Tubes NOS-Testing

Matched Pair Sylvania 6V6 6V6GT Gray And Silver Bottle Silver Top Vacuum Tubes NOS-TestingThis new old stock testing matched pair of silver top Sylvania 6V6GT output tubes was tested on our Maxi Matcher 2 for shorts, gas and transconductance. There were no shorts or gas. Plate current measured 24. 6 milliamps and transconductance was 2480 micromhos for Tube One. Tube Two measured 24. 8 2660. (New US made 6V6s typically test with plate current from the mid teens to mid 30s with transconductance from 2300 micromhos or so.) They have tall

All were made by Sylvania though one is labeled "Philco

This trio of new old stock

They have an additional mica spacer and wire snubbers for increased rigidity and lowered microphonics

steel snubbers for lowered microphonics

It has some class bits in the bottle

new in box milspec RCA 12SG7 JAN-CRC-12SG7 tube tested to spec on our Paul Hart-calibrated TV7/U

This matched trio of Raytheon 5Z4 rectifier tubes were tested on our Paul Hart-calibrated TV7/U for shorts

These four metal base National Union 6Q7GT tubes tested to spec on our Paul Hart-calibrated TV7/U

new in box Westinghouse 6AQ5A tube tested to spec on our Paul Hart-calibrated TV7/U

I am playing them as I write in my Sound Craftsmen SC-2 mono-block amplifiers with Neil Young's "Harvest" and they sound outstanding

This DVD is sealed and still in its original shrink wrap

new in box Sylvania #41 tube tested to spec on our Paul Hart-calibrated TV7/U