Matched Pair RCA 5879 Vacuum Tubes NOS-Testing June 09 2026 34/38 and 38/36 where minimum

34/38 and 38/36 where minimum (65%) is 25/25 is 39/39

new in box US-made 1P5GT tubes tested to spec on our Hickok 800

They tested 54

36 and 40 where minimum (65%) is 33

Tube One measured 1690 micromhos and drew 19

Matched Pair RCA 5879 Vacuum Tubes NOS-Testing June 09 2026 34/38 and 38/36 where minimumThis 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"