Matched Pair RCA 12SN7 12SN7GT Vacuum Tubes 6097 9 dB / -86

9 dB / -86

5 record cleaner and then played it on my He-Man Rig which consists of a Rega Planar Three with an Ortofon X5-MC cartridge on an RB-300 tone arm with a Valee PA-12B phono preamp / preamp feeding two ArtSound 805 monoblocks

new in box Zenith 25Z5 tubes tested to spec on our Paul Hart-calibrated TV7/U

not included) with Aimee Mann's seminal "Magnolia" album and they sound terrific

Converter 12BE6

Matched Pair RCA 12SN7 12SN7GT Vacuum Tubes 6097 9 dB / -86This new old stock testing matched pair of RCA 12SN7GT dual triodes was tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas. Transconductance measured 76 69 for Tube One and 77 74 for Tube Two. Minimum (65%) is 50. They have black plates; tall bases; D getters; steel support rods and KR and MC date codes, respectively. I am playing them as I write in my Alan Eaton single ended 45 amplifier with