Hitachi HA-610 Integrated Amplifier

RV HIFI Says:

Rare Hitachi HA-610 Integrated amplifier in perfect, like new condition, one of the best 70's Hitachi Integrated amplifiers made. Powerful, massive yet detailed sound, preamp section has 2 MM phono inputs, one of them variable, 2 tape inputs, tuner and AUX input, this gem has many great features to offer!

Specifications:
Power output: 70 watts per channel into 8 ohms (stereo)
Frequency response: 7Hz to 70kHz
Total harmonic distortion: 0.3%
Damping factor: 60
Input sensitivity: 2mV (MM), 100mV (line)
Signal to noise ratio: 70dB (MM), 90dB (line)
Output: 100mV (line), 30mV (DIN), 0.8V (Pre out)
Speaker load impedance: 4 to 16 ohms
Semiconductors: 4 x FET, 55 x transistors, 29 x diodes
Dimensions: W435 x H144 x D388mm
Weight: 12kg
Year: 1975 - 1978

Description of Works:
The following tasks and parts have either been repaired or replaced: New Nichicon Fine Gold audio capacitors
New Gold plated banana speaker binding posts
PCB boards cleaned, checked and re-soldered
Switches disassembled, cleaned and treated with DeoxIT
Washed and treated all potentiometers with DeoxIT
Speaker terminal up-grade to banana binding posts
Cleaned all parts, fascia and knobs
Calibrated all adjustable measurements
Tested in excess of 8 hours

Warranty 6 months