Wizard Number / Type 80 Vacuum Tube Rectifier Black Plates Engraved Base Shoulder ST Shape Hanging Filaments December 27 2021 Transconductance measured 63/64 for Tube

Transconductance measured 63/64 for Tube One and 66/60 for Tube Two

Transconductance measured 7440 micromhos for Tube One and 7400 for Tube Two

They measured 26 and 28 where minimum (65%) is 22 and 100% is 40

AN ELECTRONICS COMPANY THAT NEVER MADE TUBES

Cheesy as only organ music can be

Wizard Number / Type 80 Vacuum Tube Rectifier Black Plates Engraved Base Shoulder ST Shape Hanging Filaments December 27 2021 Transconductance measured 63/64 for TubeThis Wizard type 80 rectifier tube was tested on our Paul Hart calibrated TV7 U. It measured 42 34 where minimum (65%) is 40 40 and 100% is 62 62. It has a dimpled sheet getter; wire snubbers; a silkscreened base; hanging filaments and outstanding flashing. 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