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Aiwa AD-6800 User Manual

Aiwa AD-6800
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Aiwa AD-6800 Specifications

General IconGeneral
BrandAiwa
ModelAD-6800
CategoryCassette Player
LanguageEnglish

Summary

Operating Instructions

Safety and Warnings

General Safety Precautions

Key safety warnings including avoiding shock, heat, and ensuring proper ventilation and level operation.

Tape Properties and Dolby NR

Magnetic Tape Characteristics

Classifies tape into ferric oxide, chrome, and ferri-chrome based on magnetic material and features.

Dolby NR Type B System

Explains Dolby NR Type B for reducing hiss noise and improving S/N ratio during recording and playback.

Operational Procedures

Automatic Recording and Dubbing

Covers timer recording, dubbing, and tape transcription functions for convenient operation.

Tape Management and Protection

Details memory counter, cassette protection, and tape head cleaning for optimal performance.

Tape Head Maintenance

Instructions for cleaning and demagnetizing tape heads, pinch roller, and capstand.

Panel Controls Overview

Component Connections and Setup

Audio and Sync Connections

Connects LINE OUT/PLAY, LINE IN/REC, DIN, and Player SYNC jacks for audio input/output and synchronization.

Front and Rear Panel Jacks

Details connections for microphones, headphones, DIN-1, DIN-2, and AC outlet on front and rear panels.

Power and Grounding

Explains AC power connection and the grounding terminal for hum noise prevention.

Cassette Loading and Operation

Automatic Cassette Loader

Instructions for inserting and removing cassettes using the automatic loader mechanism.

Playback and Recording Controls

Details tape movement controls: REW/REVIEW, FWD, F. FWD/CUE, STOP/EJECT, PAUSE for operation.

Quick Review and CUE Functions

Explains using REW/REVIEW for segment review and F. FWD/CUE for skipping recorded material.

Full Automatic Stop Feature

Describes the electronic tape-end sensing device that stops the deck and reduces noise.

Playback Operation

Playback Steps and Controls

Sequence for playback: insert cassette, select Dolby NR, tape position, push FWD, adjust output level.

Playback Controls: Dolby NR and Tape Selector

Guides on setting the Dolby NR switch and Tape Selector for optimal playback.

Playback Controls: FWD and Output Level

Explains using the FWD key and adjusting the Output Level control for listening.

Recording Operation

Recording Steps and Settings

Guides recording: insert cassette, select bias, Dolby NR, input, set levels, and start recording.

Recording Controls Overview

Details controls for recording: Input Selector, Dolby NR, Bias Adjustment, Tape Selector, Limiter.

Automatic Changeover Device

Discusses the automatic changeover device for CrO2 cassette tapes to simplify manual settings.

Double-Needle Meters and Adjustments

VU Meter vs. Peak Meter Characteristics

Explains the difference between VU and Peak meters for setting optimal recording levels.

Record Level Adjustment

Guides on using double-needle meters for accurate recording level adjustment and distortion monitoring.

Limiter and Multiplex Filter

Details the Limiter for peak overload prevention and MPX Filter for FM stereo recording.

Using FRTS (Flat Response Tuning System)

Step-by-step guide for adjusting bias and equalization using the FRTS for optimal tape response.

Specifications

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