2 RCA 7B6 Vacuum Tubes Valves NOS NIB Lot Of Two International new in box matched pair

new in box matched pair of black plate GE-MANUFACTURED

It took two adapters but was worth it as they sounded fine in my Mini 2013

Flashing Quality: good (for this type

Transconductance measured 49 for Tube One and 52 for Tube Two where minimum (65%) is 36 and 100% is 55

Transconductance measured an almost-perfectly-balanced 82/84 where minimum (65%) is 56/56 and 100% is 86/86

2 RCA 7B6 Vacuum Tubes Valves NOS NIB Lot Of Two International new in box matched pairThese two new old stock, new in box RCA 7B6 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