Sylvania 6BX7 6BX7GT Vacuum Tube NOS NIB TA1 Sylvania T04 black 17MM plates

black 17MM plates

new in box Sylvania 8LT8 tubes tested to spec on our Paul Hart-calibrated TV7/U

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

They have E5E and E5E date codes

an engraved base and terrific flashing

Sylvania 6BX7 6BX7GT Vacuum Tube NOS NIB TA1 Sylvania T04 black 17MM platesThis new old stock, new in box Sylvania 6BX7GT tube tested to spec on our Paul Hart calibrated TV7. It measured 52 55 where minimum (65%) is 38 and 100% is 58. 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