Matched Trio RCA Black Plate 6BY5 6BY5GA Vacuum Tube Valves 3 Lot Of Three Of Ferdinand (New 6GU7s typically test from

(New 6GU7s typically test from within a half standard deviation of 2000 micromhos and the Jackson expresses this in terms of a percentage

Tube One measured 31 while Tube Two measured 32 where minimum (65%) is 22 and 100% is 34

This Sylvania milspec / industrial 5814 / 12AU7 / ECC82 dual triode was tested on our Paul Hart-calibrated TV7/U for shorts

This LP is in nice shape with the occasional pop and tick

Matched Trio RCA Black Plate 6BY5 6BY5GA Vacuum Tube Valves 3 Lot Of Three Of Ferdinand (New 6GU7s typically test fromThis matched trio of RCA 6BY5GA tubes were tested on our Paul Hart calibrated TV7 U for shorts, gas and emissions. There were no shorts or gas and they measured 52 52, 52 52 and 54 54 where minimum (65%) is 40 40. 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 OR CALL OR TEXT US AT 202 372 6931 IF YOU DO NOT SEE WHAT YOU NEED OR HAVE ANY QUESTIONS. 1. MOST FORMS