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Akai GX-221D

Akai GX-221D
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Akai GX-221D Specifications

General IconGeneral
TypeStereo tape deck
Track System4-track, 2-channel stereo
Tape Speed3.75 ips / 7.5 ips
Frequency Response30Hz - 22kHz (7 1/2 ips)
InputsLine, Microphone
OutputsLine out, Headphones

Summary

SECTION 1 SERVICE MANUAL

I. SPECIFICATIONS

Detailed technical specifications and performance parameters of the tape deck models.

II. MEASURING METHOD

Procedures and diagrams for measuring tape speed, wow/flutter, frequency response, S/N, THD, cross talk, etc.

IV. TRANSPORT MECHANISM

Explanation of the tape transport system's operation and circuit diagrams for different modes.

V. MECHANISM ADJUSTMENTS

Guides for adjusting reel table height, pinch wheel pressure, and brake tension for optimal performance.

VI. HEAD ADJUSTMENTS

Procedures for adjusting head height and azimuth alignment for clear audio playback.

VII. AMPLIFIER ADJUSTMENTS

Steps for adjusting playback level, VU meter sensitivity, and high-frequency response for audio circuits.

PARTS LIST

SECTION 3 SCHEMATIC DIAGRAM

GX-225 D SCHEMATIC DIAGRAM

Detailed schematic diagram for the GX-225D model.

GX-221 SCHEMATIC DIAGRAM

Detailed schematic diagram for the GX-221 model.

GX-221 D SCHEMATIC DIAGRAM

Detailed schematic diagram for the GX-221D model.

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