Sylvania 2CN3 2CN3B Vacuum Tube NOS NIB

Sylvania 2CN3 2CN3B Vacuum Tube NOS NIBThis Sylvania 2CN3B tube tested to spec on our Paul Hart calibrated TV7 U. 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 EXCEPT MEDIA MAIL ARE AUTOMATICALLY INSURED UP TO $100. ETSY PURCHASE PROTECTION COVERS ITEMS UP TO $250 IN VALUE. IF AN ITEM IS

dimpled-sheet getters and terrific flashing

This Sylvania type 85 tube was tested on our Paul Hart-calibrated TV7/U for shorts

Tube One: 72/78

They are dead quiet when the preamp is muted and have excellent frequency response

I am playing them as I write in my Alan Eaton single-ended 45 amplifier with RCA Living Stereo's CD of Bartok's "Concerto For Orchestra

new in box Amperex-BRANDED

a silkscreened base

new in box US-made 12K7GT tubes tested to spec on our Paul Hart-calibrated TV7/U

new in box RCA 6BS3 / 6BS3A tube tested to spec on our Paul Hart-calibrated TV7/U

This lot of three US-made type 42 tubes was tested our Paul Hart-calibrated TV7/U for shorts

Three of these four new old stock

14 MM plates straddled by half-moons