3 Sylvania 12BR7 Vacuum Tubes Valves NOS NIB Lot Of Three 5V4 Octal

3 Sylvania 12BR7 Vacuum Tubes Valves NOS NIB Lot Of Three 5V4 OctalThis lot of three Sylvania 12BR7 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 ITEMS UP TO $250 IN VALUE.

Unfortunately I can't tell you how they sound as we do not have any equipment that uses them nor do we have adapters at this time

Tube Two measured 10

goal post getters

This pair of new old stock

These three GE 6BC5 tubes tested to spec on our Paul Hart-calibrated TV7/U

gas and emissions

top O getters

It measured an almost-perfectly-balanced 71/72 where minimum (65%) is 56/56 and 100% is 86/86

respectively where minimum (65%) is 40/40 and 100% is 62/62

new in box RCA 6DN3 tubes tested to spec on our Paul Hart-calibrated TV7/U

This Silvertone 5Y3GT black plate rectifier tube was tested on our Paul Hart-calibrated TV7/U for shorts

This tube is built like a tank and in great shape as well