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Technics SU-A4MK2

Technics SU-A4MK2
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Technics SU-A4MK2 Specifications

General IconGeneral
Weight9.5 kg
Speaker load impedance4 - 16 Ω
TypeStereo Integrated Amplifier
Frequency Response5 Hz - 100 kHz
Signal-to-Noise Ratio100 dB
Input Impedance47 kΩ
Dimensions430 x 90 x 320 mm
Damping factor100
Input sensitivity150mV (line)
Channel separation70dB (1kHz)
OutputSpeaker output terminals

Summary

PRODUCT SERVICE

Warning concerning removal of covers

Unit should be serviced by qualified technicians only. No service information is provided for customers.

SUGGESTIONS FOR SAFETY

Prohibition of Self-Repair

Consult qualified technician for damaged cord, liquid ingress, rain exposure, or abnormal operation.

Professional Repair Recommendation

Request service from a qualified technician for adjustments not explained in operating instructions.

REAR PANEL FACILITIES AND THEIR FUNCTIONS

Input Terminals Overview

Input terminals for connecting various audio and video sources.

Tape RecordingPlayback Terminals

Terminals for connecting tape decks for recording and playback.

Amplifier Output Terminals

Output terminals for connecting to a power amplifier.

FRONT PANEL CONTROLS AND THEIR FUNCTIONS

Tone and Filter Controls

Controls for loudness, bass, treble, and high/subsonic filters.

OPERATION GUIDE

Initial Power-On Procedure

Set volume to minimum before turning on power. Wait for stabilization before increasing volume.

Selecting Playback Source

Use input selector to choose playback source like tape, disc, or radio.

TAPE OPERATION

Basic Tape Recording

Select recording source using recording-mode selector; adjust level on tape deck.

Tape Dubbing

Record from one tape deck to another using dubbing selectors.

TONE CONTROL USAGE

Bass and Super-Bass Adjustment

Adjust bass and super-bass for deep bass reproduction and to correct speaker response.

ADVANCED TONE CONTROL TECHNIQUES

Phono Frequency Response Tuning

Using treble controls to adjust phono cartridge frequency response.

TROUBLESHOOTING GUIDE

Disc Playback Problems

Troubleshooting common issues encountered during disc playback.

FM Broadcast Reception Issues

Troubleshooting common issues with FM broadcast reception.

TROUBLESHOOTING AUDIO RECEPTION

AM Broadcast Reception Problems

Troubleshooting common issues with AM broadcast reception.

General Operational Issues

Troubleshooting general issues that can occur at any time.

TECHNICAL SPECIFICATIONS

Amplifier Section Performance

Detailed technical specifications for the amplifier section.

General Unit Specifications

General specifications including power, dimensions, and weight.

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