Matched Pair Sylvania 6V6 6V6GTA Silver Top Vacuum Tubes Stereo ST 2335 LP staggered gray plates

staggered gray plates

This Hoffman 6AF4A tested to spec on our Hickok 800

New 12BH7s have averaged 2200 to date)

new in box US-made 50B5 tubes tested to spec on our Paul Hart-calibrated TV7/U

This matched pair of RCA black plate 6CG7 / 6FQ7 dual triodes was tested on our Paul Hart-calibrated TV7/U for shorts

Matched Pair Sylvania 6V6 6V6GTA Silver Top Vacuum Tubes Stereo ST 2335 LP staggered gray platesThis new old stock testing matched pair of silver top Sylvania 6V6GTA output tubes was tested on our Maxi Matcher 2 for shorts, gas and transconductance. There were no shorts or gas. Plate current measured 21. 7 milliamps and transconductance was 2540 micromhos for Tube One. Tube Two measured 22 2460. (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 short