Amplificator Marantz PM 57 : 6 intrari, 4 iesiri, impedanta 8-16 ohmi, reglaje bass, treble, balance, loudness, tone control, senzor telecomanda, poze reale, made in Singapore.

Specifications
Power output: 50 watts per channel into 8Ω (stereo)

Frequency response: 10Hz to 50kHz

Total harmonic distortion: 0.008%

Damping factor: 60

Input sensitivity: 2.5mV (MM), 150mV (line)

Signal to noise ratio: 86dB (MM), 96dB (line)

Channel separation: 80dB (line)

Dimensions: 439 x 103 x 340mm

Weight: 5.4kg

Year: 1996