This is one set of Pre-owned Sony HA-50 moving coil cartridge head amplifier in 100V, made in Japan by Sony.
Condition: 8.5/10
Voltage gain: 27dB
Harmonic distortion: 0.003%
Frequency response: 6 to 500,000Hz
Maximum input capability: 20mV
Input impedance: 25 ohms / 100ohms