10 Philco Number / Type 41 #41 Vacuum Tubes Engraved / Hot-Stamped Bases Lot Of Ten From Cape Breton These tubes were made in

These tubes were made in the Owensburo

Transconductance was 1900 for Tube One and 1800 for Tube Two where new/nominal is within one standard deviation of 1900

Etsy will indicate how many remain in this Dutch auction

and Tube One has a TE4 date code

This is a sold

10 Philco Number / Type 41 #41 Vacuum Tubes Engraved / Hot-Stamped Bases Lot Of Ten From Cape Breton These tubes were made inThese ten Philco engraved hot stamped base type number 41 tubes tested as follows on our Paul Hart calibrated TV7 U: 52, 54, 54, 54 54, 54, 55, 58, 58 and 62 where minimum (65%) is 40 and 100% is 62. 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 QUESTIONS. 1. MOST FORMS OF SHIPPING