2 RCA 12AZ7A Vacuum Tubes NOS NIB Lot Of Two

2 RCA 12AZ7A Vacuum Tubes NOS NIB Lot Of TwoThis lot of two new old stock, new in box RCA 12AZ7A 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

I am playing it in one of my Art Sound 805 mono blocks with Miles Davis' seminal "Midnight Blue" album and they sound terrific

not included)

new in box GE 0C3 regulator tube tested to spec on our Paul Hart-calibrated TV7/U

Plate current draw was 52

new in box GE 6AK6 tube tested to spec on our Paul Hart-calibrated TV7/U

These four milspec RCA small logo 12SG7 / VT-209 tubes were tested on our Paul Hart-calibrated TV7/U for shorts

I just cleaned this two (of three) record LP set on my VPI 16

The diodes measured 37 and 40

there are no reference numbers on it

The used Westinghouse 12D4 tested as Good on the English scale on our Hickok 800 and had no emissions drop with the filament at five rather than 6

new in box (five total) / NOS-testing (six total) US-made 6CD6G and 6CD6GA tubes tested as follows on our Paul Hart-calibrated TV7/U:

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