Delco Number Type 80 Vacuum Tube Rectifier Black Plates Engraved Base Shoulder ST Shape 4th Quarter BW42 Transconductance measured micromhos with a

Transconductance measured micromhos with a plate current draw of milliamps

An 8 out of 10

new in box matched pair of JJ low noise 12AX7 / ECC83 / 12AU7 dual triodes was tested on our Paul Hart-calibrated TV7/U for shorts

I cannot guarantee that the copper-colored finish is rose gold

two Hytrons and one Sylvania

Delco Number Type 80 Vacuum Tube Rectifier Black Plates Engraved Base Shoulder ST Shape 4th Quarter BW42 Transconductance measured micromhos with aThis Delco type 80 rectifier tube was tested on our Paul Hart calibrated TV7 U. It measured 55 51 where minimum (65%) is 40 40 and 100% is 62 62. It has a dimpled sheet getter; wire snubbers; a silkscreened base 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 NEED OR HAVE ANY