8 Philco Number / Type 77 #77 Vacuum Tubes Engraved / Stamped Base Mesh Plate Variety Lot Of Eight 4th Quarter BW49 Tube One drew 14

Tube One drew 14

Top: smooth

dark gray rounded plates and excellent flashing

These three UK-made 10DX8 LCL84 tubes tested to spec on our Paul Hart-calibrated TV7/U

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

8 Philco Number / Type 77 #77 Vacuum Tubes Engraved / Stamped Base Mesh Plate Variety Lot Of Eight 4th Quarter BW49 Tube One drew 14These 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