8 Philco Number / Type 77 #77 Vacuum Tubes Engraved / Stamped Base Mesh Plate Variety Lot Of Eight 4th Quarter BW49 Top: smooth

Top: smooth

EIA Factory Codes: none

Transconductance measured 116%/104% where minimum (65%) is 70%/70%

These seven new old stock

Tube One drew 14

8 Philco Number / Type 77 #77 Vacuum Tubes Engraved / Stamped Base Mesh Plate Variety Lot Of Eight 4th Quarter BW49 Top: smoothThese eight Philco number type 77 tubes were tested on our Paul Hart calibrated TV7 U for shorts, gas and emissions. There were no shorts or gas. They tested (from left to right, top to bottom) 25, 30, 31, 32, 32, 33 37 and 39 where minimum (65%) is 31. 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