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Akai 1721W User Manual

Akai 1721W
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STEREO TAPE RECORDER
OPERATOR'S MANUAL
THIS MANUAL IS ALSO APPLICASLE TO MODEL 1721 L STEREO TAPE
RECORDER.
1 72 1 W Wooden case
1721 L Leather case
E!z!l
MANUFACTURED
&
DISTRIBUTED
BY
A<Al
ELECTRIC CO., LTD./AKAI TRADING CO., LTD./AKAI AMERICA LTD.
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Akai 1721W Specifications

General IconGeneral
Signal-to-Noise Ratio50dB
Wow and Flutter0.15% (7 1/2 ips)
Track System4-track, 2-channel
Tape Speed3 3/4 ips
InputsLine
OutputsLine
Semiconductors4 Diodes

Summary

Akai 1721W Controls Overview

Capstan and Tape Transport Controls

Controls the tape movement and transport mechanism.

Tape Speed and Track Selection Switches

Switches for choosing tape speed and track format.

Input/Output Jacks and Speaker Switch

Ports for microphones, phono, and speaker selection.

Volume and Tone Adjustment Knobs

Controls for adjusting audio levels and sound quality.

Additional Akai 1721W Controls

Tape Manipulation Controls

Pause, Start, Fast Forward, and Rewind lever functions.

Automatic Shut-Off and Power Switch

Switches for automatic stop and main power control.

Monitoring and Level Indicators

Headphone jack, speaker switch, and VU meters.

Voltage Selector and Fuse Post

Universal voltage selector and fuse post for power adjustment.

Input Signal and Microphone Switching

Din Jack input switch and Mic/Phono switch.

Voltage and Cycle Conversion Procedures

Setting the Voltage Selector Plug

Adjusting the voltage selector for correct operation.

Using the Cycle Conversion Switches

Proper positioning of A/B switches for power frequency.

Tape Operation Functions

Selecting Tape Speed Settings

How to choose between 3-3/4 and 7-1/2 ips.

Fast Forward and Rewind Lever

Operating the fast forward and rewind lever.

Pause Control Operation

Engaging and releasing the pause mode.

System Connections Diagram

Operating Precautions and Troubleshooting

Troubleshooting Common Performance Issues

Addresses problems like poor sound quality or tape transport.

Connecting External Audio Equipment

Guidance on linking with amplifiers and matching levels.

Minimizing Recording Noise Levels

Tips for reducing hum and noise during recording.

Service and Support Information

How to get assistance for machine problems.

Tape and Connection Usage

Tape Selection Switch Guide

Using the switch for regular vs. low-noise tapes.

Sound Monitoring with Headphones

Using the speaker switch for private listening.

Din Jack Connectivity Guide

Simplified connection using the Din Jack.

Head Maintenance and Tape Handling

Cleaning and Demagnetizing Tape Heads

Procedures for maintaining tape heads.

Proper Tape Loading Procedure

Step-by-step guide for threading tape.

4-Track Recording Formats

Stereo Track Layout Explained

Explains tracks 1&3 and 2&4 for stereo.

Monaural Track Layout Explained

Explains tracks 1, 4, 3, 2 for monaural.

Playback Operations Guide

Stereo Playback Instructions

Steps to play pre-recorded stereo tapes.

Monaural Playback Instructions

Steps to play pre-recorded monaural tapes.

Recording Operations Guide

Stereo Microphone Recording

How to record stereo audio using microphones.

Monaural Microphone Recording

How to record monaural audio using microphones.

Advanced Recording and Tape Use

Recording from External Sources

Connecting amplifiers, tuners, and turntables for recording.

Tape Dubbing and Erasure Functions

Copying tapes and erasing recorded content.

Tape Splicing and Editing Techniques

Techniques for editing and joining audio tapes.

Public Address System Setup

Technical Specifications Summary

Tape Transport and Motor Specs

Details on reel capacity, speeds, and motor type.

Audio Performance Metrics

Specifications for frequency response, distortion, S/N ratio.

Electrical, Dimensions, and Weight

Power requirements, physical size, and weight.

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