CBS Hytron Black Plate 12BZ7 Vacuum Tube NOS NIB For Your Univalve Or Bottlehead Matched Pair 6K6 5 milliamps Plate current draw:

5 milliamps Plate current draw: 21 milliamps

This new old stock-testing Sylvania engraved base type 48 tube was tested our Paul Hart-calibrated TV7/U for shorts

I wish I could tell you how they sound and from what I can suss out

I have played it in my Schiit Vali 2 headphone amplifier and it sounds outstanding

CBS Hytron Black Plate 12BZ7 Vacuum Tube NOS NIB For Your Univalve Or Bottlehead Matched Pair 6K6 5 milliamps Plate current draw:This new old stock, new in box CBS Hytron 12BZ7 tube tested to spec on our TV7 U. It measured 36 39 where minimum (65%) is 18 18 and 100% is 28 28. It has shiny black plates; a goal post getter; copper support rods and outstanding flashing. I have listened to it in my Bottlehead Crack headphone amplifier and it sounded great. WE HAVE SCORES OF THOUSANDS OF VACUUM TUBES. IF IT'S NOT LISTED, WE MAY HAVE IT. PLEASE ALSO SEE OUT ETSY SISTER SITE