4 RCA 17JM6 17JM6A Vacuum Tubes NOS NIB Lot Of Four

4 RCA 17JM6 17JM6A Vacuum Tubes NOS NIB Lot Of FourThese four new old stock, new in box RCA 17JM6A tubes tested to spec on our Paul Hart calibrated TV7 U. One is milspec and one is a Cunningham. 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.

black plates and Micanol bases

Tube One measured 31 while Tube Two measured 32 where minimum (65%) is 22 and 100% is 34

They measured 23

These three precision

5 record cleaner and then played it on my Rega Planar Three with an Ortofon X5-MC cartridge

My chinchilla was a big Jefferson Airplane fan

new in box GE 21JZ6 tubes

round mica spacers and anode radiators for cooler operation and longer life

Micanol bases

This new old stock-testing matched quad of milspec / industrial Sylvania JAN-5814A / 12AU7A dual triodes was tested on our Maxi Preamp II for shorts

new in box Philco 12CA5 tubes tested to spec on our Paul Hart-calibrated TV7/U

Four are Philips and one is Matsushita