Matched Trio RCA 5Z4 Vacuum Tubes Valves Rectifiers Lot Of Three Gene Roddenberry engraved base number 78 tubes

engraved base number 78 tubes were tested on our Paul Hart-calibrated TV7/U for shorts

WE HAVE TENS OF THOUSANDS 0F VACUUM TUBES

43 and 44 where minimum is (65%) is 36 and 100% is 55

I just cleaned this LP set on my VPI 16

new in box RCA 6JT8 tubes tested to spec on our Paul Hart-calibrated TV7/U

Matched Trio RCA 5Z4 Vacuum Tubes Valves Rectifiers Lot Of Three Gene Roddenberry engraved base number 78 tubesThis matched trio of RCA 5Z4 rectifier tubes were tested on our Paul Hart calibrated TV7 U for shorts, gas and emissions. They tested 49 48, 51 50 and 51 51, respectively, where minimum (65%) is 40 40. They have V3, S5E and 913 date codes, respectively. 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