Matched Pair RCA 5763 Vacuum Tubes Valves June 04 2025 These tubes have shiny

These tubes have shiny

The 7025 has somewhat-different gain characteristics than the standard 12AX7

likely Tung-Sol-MANUFACTURED) measured 31 while Tube Two (no silkscreening 6AK5-LABELED

It is dead quiet when the preamp is muted and has excellent frequency response and sound-staging

new in box Zenith 17AY3 / 17AY3A / 17BS3 / 17BS3A tubes tested to spec on our Paul Hart-calibrated TV7/U

Matched Pair RCA 5763 Vacuum Tubes Valves June 04 2025 These tubes have shinyThis matched pair of RCA gray plate 5763 tubes were tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas. Transconductance measured 44 and 48 where minimum (65%) is 35 and 100% is 54. These tubes have gray plates and nice 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" AND OR CALL OR TEXT US AT 202 372