5 RCA 45Z3 Vacuum Tubes Valves NOS NIB Lot Of Five 12SN7 Octal a phi-shaped

a phi-shaped

It measured 50/46 where minimum (65%) is 40/40 and 100% is 62/62

perfectly-matched pair of Sylvania 6SJ7s was tested on our Paul Hart-calibrated TV7/U for shorts

but this was no issue with the amp at full volume and when actuating the amp's controls

The spine is in fine shape with no loose pages and the dust jacket is also in good shape

5 RCA 45Z3 Vacuum Tubes Valves NOS NIB Lot Of Five 12SN7 Octal a phi-shapedThese five new old stock, new in box RCA 45Z3 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