Marantz model 1072

Specifications

Audio Section

Power Output (DIN Standards, 4 ohm):  77 W per channel

Power Output (FTC American Standards, 4 ohm):  46 W per channel

Total Harmonic Distortion:  0,08% (at rated output)

I M Distortion (250 Hz and 8 kHzMixed, Amplitude Ratio 4:1):  0,08% (at rated power output)

Power Output (DIN Standards, 8 ohm):  50 W per channel

Power Output (FTC American Standards, 8 ohm):  36 W per channel

Total Harmonic Distortion:    0,05% (at rated output)

I M Distortion (250 Hz and 8 kHz Mixed, Amplitude Ratio 4:1):  0,05% (at rated power output)

Power Bandwidth:  15 Hz ~ 60 kHz

Damping Factor (8 ohm):  45

Frequency Response:

Phono (RIAA) : ±0,5 dB

Aux : 15 Hz - 60 kHz (±1 dB)

Phono Input Terminal:

Impedance : 47 kohms

Capacitance : 100 pF

Sensitivity : 2,0 mV

Overload Margin : 35 dB

Aux Input terminal:

Impedance : 25 kohms

Sensitivity : 180 mV

Phono Equivalent Input Noise:  0,5 µV

Phono Dynamic Range (Ratio of input overload to equivalent input noise):  100 dB

Channel Balance (0 to -40 dB/40 Hz - 16 kHz)

Phono : 3 dB

Aux : 3 dB

Interchannel Crosstalk (at 1 khz):

Phono : 47 dB

Aux : 62 dB

Tape : 62 dB

Intersource Crosstalk (Worst Point), 1 khz:  55 dB

Tape Output Voltge/Impedance, 1 kHz : 775 mV/220 ohms

Headphone Jack load Impedance:  4 ohms

General Section

Power requirements:  110 / 120 / 220 / 240 V AC, 50/60 Hz

Power Consumption (at rated output, both channel driven):  160 W ±20 W

Idling Power:  14 W ±5 W

Semiconductor Complement:

Transistors : 45

Diodes : 26

Dimensions (W x H x D):  416 x 146 x 240 mm (16-3/8" x  5-3/4" x  9-7/16")

Weight (net):  8 kg (17,6 lbs)