Zenith 6BK7 6BK7B Vacuum Tube NOS NIB For Your Schiit W H Freeman Admiral-BRANDED 5V4G rectifier tube was

Admiral-BRANDED 5V4G rectifier tube was tested on our Paul Hart-calibrated TV7/U

12AT7s are notorious for their unmatched triodes and their deviation from nominal parameters

Both measured 54 were minimum (65%) is 36 and 100% is 55

new in box Zenith 6JH8 tubes tested to spec on our Paul Hart-calibrated TV7/U

S5E and 913 date codes

Zenith 6BK7 6BK7B Vacuum Tube NOS NIB For Your Schiit W H Freeman Admiral-BRANDED 5V4G rectifier tube wasThis new old stock, new in box Zenith 6BK7B tube tested to spec on our Paul Hart calibrated TV7 U. I have played it in my Schiit Audio Vali 2 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 "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