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General| Power Output | 25 watts per channel into 8Ω (stereo) |
|---|---|
| Total Harmonic Distortion | 0.1% |
| Damping Factor | 50 |
| Speaker Load Impedance | 4Ω to 16Ω |
| Input Sensitivity | 2.1mV (MM), 180mV (line) |
Information on how to order replacement parts from the National Parts Depot.
Addresses for ordering Marantz parts from international locations.
Checks for shorted components and open resistors/transistors.
Checks for line cord, fuse, shorted transistors, or open rectifiers.
Checks filter capacitors and a specific transistor.
Procedure for adjusting idling current using a DC voltmeter.
Instructions for converting voltage on European models using a specific plug.
Schematic diagram specific to the Marantz Model 1072 amplifier.
Schematic and component layout for the main assembly (P700).
Schematic and component layout for the LED lamp assembly (PY00).
Schematic and component layout for the loudness assembly (PSOO).
Substitute transistor information for specific reference designators.
Substitute transistor information for specific reference designators.
Substitute transistor information for specific reference designators.
Detailed technical specifications for the Marantz Model 1072 amplifier.
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