Marantz model 1050 Stereo Integrated Amplifier, made in Japan

Power output rating per channel:

4 ohms DIN (1 kHz): 51W

4 ohms FTC (20 Hz - 20 kHz): 30W

8 ohms DIN (1 kHz): 40W

8 ohms FTC (20 Hz - 20 kHz): 25W

Total harmonic distortion at nom. Output: 0.1%

Intermodular distortion: 0.1%

Damping 8 ohms: 45

Main In sensitivity at nom. Output: 1.5V

Main In impedance: 36k ohms

Frequency response 20-50 Hz-kHz

S/N ratio Main In: 100dB

M.M. Cartridge input:

Frequency response (RIAA): ±0.5dB

S/N ratio: 80dB

Input impedance: 47k ohms

Input capacity: 100pf

Input sensitivity: 2.1mV

Equivalent noise at input: 0.5µV

Dynamics: 100dB

Mic. Input:

Input impedance: 47k ohms

Input sensitivity: 1.8mV

Aux input:

Input impedance: 25k ohms

Input sensitivity: 180mV

Frequency response: 20-50 Hz-kHz

S/N ratio: 91dB

Output voltage:

Record jack: 775mV

Preamp output: 1.5V

Output impedance:

Record output: 330 ohms

Preamp output: 220 ohms

Dimensions (W x H x D, mm): 416 x 146 x 240

Net weight: 7kg