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Sansui AU-4900 User Manual

Sansui AU-4900
24 pages
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Sansui AU-4900 Specifications

General IconGeneral
Total Harmonic Distortion0.1%
Damping Factor30
Input Sensitivity2.5mV (MM), 150mV (line)
Signal to Noise Ratio75dB (MM), 90dB (line)
Channel Separation50dB (MM), 55dB (line)
Output150mV (line)
Speaker Load Impedance8Ω (minimum)

Summary

Important Precautions

General Safety Warnings

Avoid exposing the appliance to rain or moisture to prevent fire or shock hazard.

Connection

Grounding Procedures

Basic Operating Procedures

Power and Speaker Selection

How to use the POWER/SPEAKERS switch to turn the unit on and select speaker systems.

Program Source Selection

Volume, Balance, and Muting Adjustments

Troubleshooting No Sound Issues

Controlling Sound to Your Taste

Tone Adjustment Controls

Using Bass, Treble, and Loudness controls for sound shaping.

Noise Elimination Filters

Using Low and High Filter switches to reduce unwanted noise.

Source Playback Procedures

Listening to Records

Steps for playing records, including volume and selector adjustments.

Record Playback Quality Issues

Troubleshooting hum, howling, or shallow reproduction during record playback.

Listening to Radio Broadcasts

Radio Reception Noise Reduction

Playback of Tapes

Tape Playback Noise Issues

Tape Recording Guide

Some Useful Hints

Specifications

Power Output and Load Impedance

Details on RMS power output and impedance for speaker systems.

Bandwidth and Distortion Metrics

Information on power bandwidth, total harmonic, and intermodulation distortion.

Output Levels and Channel Separation

Hum and Noise Performance

Power Requirements and Consumption

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