Matched Pair RCA 5879 Vacuum Tubes NOS-Testing

Matched Pair RCA 5879 Vacuum Tubes NOS-TestingThis new old stock TESTING, perfectly matched pair of RCA 5879 tubes was tested on our Paul Hart calibrated TV7. for shorts, gas and transconductance. There were no shorts or gas. Both tubes measured 42 where minimum (65%) is 25 and 100% is 35. These tubes have top, O getters; steel support rods and outstanding flashing. 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"

It may be for It may be for a Big Crown 7551 or some of the Pointer date models

Thia new old stock

This softcover book is in very-good condition

new in box US-made milspec JRC-6AK6 / CV1762 tubes tested to spec on our Paul Hart-calibrated TV7/U

beautiful side flashing

I am playing them in my Musical Paradise MC-3 single-ended integrated amplifier as I write with Aimee Mann's seminal "Magnolia" album and it sounds terrific

This Hytron JAN-CHY-12SN7GT milspec dual triode was tested on our Paul Hart-calibrated TV7/U for shorts

It tested 64 in both sections where minimum (65%) is 40/40 and 100% is

There were no playback issues

old-fashioned

likely by GE

no codes on the bases and "6CA7 EL34 USA" on the bottles and excellent flashing