5 RCA 45Z3 Vacuum Tubes Valves NOS NIB Lot Of Five 12SN7 Octal perfectly-matched pair of Sylvania 6SJ7s

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

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

new in box matched pair of Hytron 1622 tubes was tested on our Paul Hart-calibrated TV7/U for shorts

new in box RCA 6AU4GTA tubes tested to spec on our Paul Hart-calibrated TV7/U

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

5 RCA 45Z3 Vacuum Tubes Valves NOS NIB Lot Of Five 12SN7 Octal perfectly-matched pair of Sylvania 6SJ7sThese 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