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Onkyo TX-903 User Manual

Onkyo TX-903
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TX-903/9071
Quartz
Synthesized
Tuner
Amplifier
-
Instruction
Manual
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Onkyo TX-903 Specifications

General IconGeneral
Power Output50 watts per channel into 8Ω (stereo)
Number of Channels2
Total Harmonic Distortion (THD)0.08%
Frequency Response20Hz to 30kHz
Input Sensitivity2.5 mV (MM), 150 mV (line)
Signal-to-Noise Ratio80 dB (MM), 100 dB (line)
Speaker Impedance4-16 ohms
Tuning rangeFM, AM
Speaker load impedance8 ohms (minimum)

Summary

Before Using This Unit

Supplied Accessories

Lists included accessories such as AM loop antenna and T-shaped FM antenna for setup.

Transmitter Battery Insertion (TX-903 only)

Instructions for correctly inserting batteries into the remote control transmitter.

System Connections

General Connection Guidelines

Basic rules for connecting the unit, including power switch and channel connections.

FM Antenna Connections

Guidance on connecting FM antennas based on signal strength and cable types.

Turntable Connections

Instructions for connecting a turntable, emphasizing proper grounding to prevent hum.

Speaker Connections

How to connect speakers, emphasizing polarity and impedance for optimal sound.

Remote Control Connections

Explains connecting components via RI for remote control operation.

Control Positions and Names

Front Panel Control Overview

Identifies and explains the function of all buttons, knobs, and indicators on the front panel.

Operations

Listening to Your Favorite Source

Step-by-step guide on how to select an input source and adjust volume.

Tuner Reception

Instructions for tuning FM/AM stations, including direct tuning and APR system.

Classified Memory Function

How to classify and memorize radio stations into different categories.

Tape Recording and Dubbing

Procedures for recording audio from various sources and dubbing between tape decks.

Trouble Shooting Guide

Specifications

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