Acoustic Research Model A

Repair

England 1968

Power 2 x 50 W 8 Ohms
2 x 30 W 16 Ohms – 2 x 60 W 4 Ohms
Total harmonic distortion 0.5%
Intermodulation distortion 0.25%
Frequency response ± 1 dB 20 Hz - 20 kHz
Signal to noise ratio 57 dB phono 75 dB line
Phono input sensitivity 2-5 mV
200 mV line input sensitivity
Damping factor from 16 to 40 to 8 Ohms