4 Philco Number Type 27 #27 Vacuum Tubes Stamped / Engraved Bases Lot Of Four Makin' Love new in box RCA 4BZ6

new in box RCA 4BZ6 / 4JH6 tubes tested to spec on our Paul Hart-calibrated TV7/U

This album is in great shape and merits an 8

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

This Sylvania 5AZ4 rectifier tube tested 47/49 on our Paul Hart-calibrated TV7/U where minimum (65%) is 40/40

4 Philco Number Type 27 #27 Vacuum Tubes Stamped / Engraved Bases Lot Of Four Makin' Love new in box RCA 4BZ6These four Philco engraved base number type 27 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: 40, 41, 42 and 44 where minimum (65%) is 25 and 100% is 38. 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