CBS Hytron Black Plate 12BZ7 Vacuum Tube NOS NIB For Your Univalve Or Bottlehead Matched Pair 6K6 Transconductance: 2200 micromhos Transconductance: 2270

Transconductance: 2200 micromhos Transconductance: 2270 micromhos

This Zaerix 6CU7 / ECH42 tube tested to spec on our Paul Hart-calibrated TV7/U

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

minimum (65%) is 2600)

new in box RCA 6AG7 tubes tested to spec on our Paul Hart-calibrated TV7/U

CBS Hytron Black Plate 12BZ7 Vacuum Tube NOS NIB For Your Univalve Or Bottlehead Matched Pair 6K6 Transconductance: 2200 micromhos Transconductance: 2270This 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