6 RCA 50B5 Vacuum Tubes Valves Black Plate Lot Of Six Marais And Miranda new in box milspec RCA

new in box milspec RCA JAN-CRC-884 / VT-222 tubes tested to spec on our Paul Hart-calibrated TV7/U

They are slightly microphonic

This new old stock-testing matched pair of Ken-Rad-MANUFACTURED

I am listening as I write and this album sounds pretty good

6 RCA 50B5 Vacuum Tubes Valves Black Plate Lot Of Six Marais And Miranda new in box milspec RCAThese six RCA black plate RCA 50B5 tubes were tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas and they measured as follows: 49, 54, 62, 62, 68 and 68 where minimum (65%) is 45. 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