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Marantz 2250 Service Manual

Marantz 2250
42 pages
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Marantz 2250 Specifications

General IconGeneral
Power Output50 watts per channel into 8Ω (stereo)
Total Harmonic Distortion0.3%
Damping Factor45
Tuning RangeFM, MW
Speaker Load Impedance4Ω to 16Ω
Input Sensitivity180mV (line)
Semiconductors26 x diodes

Summary

Marantz 2250 Service Manual

AM Alignment Procedures

AM IF Alignment

Procedure for aligning the AM Intermediate Frequency (IF) section.

AM Frequency Range and Tracking Alignment

Steps for aligning AM frequency range and tracking for optimal performance.

FM Alignment Procedures

Stereo Separation Alignment

Procedure to align stereo separation for optimal audio output.

Muting Circuit Alignment

Steps for aligning the muting circuit for proper operation.

Dolby FM Tape Output Setting

Audio Adjustment Procedures

Technical Specifications - Amplifier, Preamplifier, and FM Tuner

Marantz Model 2250 Parts List

Service Information for European Model

European Amplifier Section Specs

European Preamplifier Section Specs

European FM Tuner Section Specs

Voltage Conversion Procedure

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