Matched Pair Philco Number Type 78 #78 Vacuum Tubes Valves Engraved Hot-Stamped Base Mesh Plate Reubke Pierne This lot of two RCA

This lot of two RCA 25Z5 tubes were tested on our Paul Hart-calibrated TV7/U for emissions

Dynamic range is excellent as this album goes from ethereal to raucous and back

they were forwarded to West Germany

These six RCA black plate RCA 50B5 tubes were tested on our Paul Hart-calibrated TV7/U for shorts

Matched Pair Philco Number Type 78 #78 Vacuum Tubes Valves Engraved Hot-Stamped Base Mesh Plate Reubke Pierne This lot of two RCAThis matched pair of mesh plate Philco number 78 tubes was tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas and they measured as follows: 45 and 48 where minimum is (65%) is 36 and 100% is 55. 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