Sylvania 5Y3 5Y3G Vacuum Tube Rectifier Black Plate ST Shoulder Shape

Sylvania 5Y3 5Y3G Vacuum Tube Rectifier Black Plate ST Shoulder ShapeThis black plate Sylvania 5Y3G rectifier tube was tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas. It measured 56 49 where minimum (65%) is 40 40 and 100% is 62 62. It has a nifty, old fashioned Coke bottle; a D getter, excellent flashing and a 126 date code. WE HAVE SCORES OF THOUSANDS OF VACUUM TUBES. IF IT'S NOT LISTED, WE MAY HAVE IT. PLEASE ALSO SEE OUT ETSY SISTER SITE "LOWTECHTWOO" AND

-- GE 6L6GC output tube was tested on our Maxi-Matcher with 400 volts on the plates and a bias of -48 volts for shorts

a saucer getter

It has sutured tops

This matched pair of RCA-MANUFACTURED gray glass 6K6GT tubes was tested on our Maxi-Matcher tube tester with 325 volts on the plates and a bias of -36 volts

(Minimum (65%) is 40

It is very clean and in terrific shape with nary of a pop or tick

perfectly-matched pair of RCA 5879 tubes was tested on our Paul Hart-calibrated TV7

US-MANUFACTURED and Quality Brand-BOXED 6CJ3 / 6CH3 / 6DW4 / 6DW4B tested to spec on our Paul Hart-calibrated TV7/U

This lot of nine new old stock

I have listened to all four LPs

I am playing them in my Art Sound 805 mono blocks with Miles Davis' seminal "Midnight Blue" album and they sound terrific

29 and 30 on our Paul Hart-calibrated TV7/U where minimum (65%) is 25 and 100% is 38