Matched Pair RCA 5879 Vacuum Tubes NOS-Testing June 09 2026 These tubes have narrow 19

These tubes have narrow 19 MM plates

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

micromhos)

Tube One measured 76/73 while Tube Two measured 79/72 where minimum (65%) is 50/50 and 100% is 77/77

Matched Pair RCA 5879 Vacuum Tubes NOS-Testing June 09 2026 These tubes have narrow 19This 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"