Home » HIFI 12AX7 Tube MM RIAA Turntable Phono Preamplifier PCB / Amplifier Kit / Amp Board Base On SHUER M-65 HIFI 12AX7 Tube MM RIAA Turntable Phono Preamplifier PCB / Amplifier Kit / Amp Board Base On SHUER M-65 HIFI 12AX7 Tube MM RIAA Turntable Phono Preamplifier PCB / Amplifier Kit / Amp Board Base On SHUER M-65. Sale price : $8.64 Category : Consumer Electronics