3 US-Made 12BD6 Vacuum Tubes Valves NOS NIB Lot Of Three Ian Harrison Tube One's etching is "5654"

Tube One's etching is "5654" while Tube Two's is "6AK5

This Sylvania milspec / industrial 5814 / 12AU7 / ECC82 dual triode was tested on our Paul Hart-calibrated TV7/U for shorts

THERE IS A

They measured 23

This lot of four US-made black plate 12X4 rectifier tubes measured 43/46

3 US-Made 12BD6 Vacuum Tubes Valves NOS NIB Lot Of Three Ian Harrison Tube One's etching is "5654"This lot of three new old stock, new in box US made 12BD6 tubes 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