Alignment Laser, Self-Leveling, 3-Point Gojo
US$ 126.99
Sylvania 12AV7 Vacuum Tube Valve Black Plate NOS-Testing 17BZ3 T18 new in box RCA 36MC6
$10.88
Description
new in box RCA 36MC6 / 36MC6A tubes tested to spec on our Paul Hart-calibrated TV7/U
respectively
It comes with a box
The number will change as time goes by and Etsy will indicate how many are still available
Sylvania 12AV7 Vacuum Tube Valve Black Plate NOS-Testing 17BZ3 T18 new in box RCA 36MC6This new old stock testing Sylvania 12AV7 dual triode was tested on our Jackson for shorts, gas and transconductance. There were no shorts or gas. Transconductance measured 116% 104% where minimum (65%) is 70% 70%. This tube has black plates; a horseshoe getter and terrific flashing. I am playing it in Bottlehead Crack headphone amplifier as a 12AU7 substitute and it sounds excellent. WE HAVE SCORES OF THOUSANDS OF VACUUM TUBES. IF IT'S NOT LISTED, WE
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