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Nakamichi DRAGON User Manual

Nakamichi DRAGON
16 pages
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Nakamichi DRAGON Specifications

General IconGeneral
Tape Speed4.76 cm/s
Frequency Response20 Hz to 22 kHz (Metal tape)
Total Harmonic Distortion0.8%
Track System4-track, 2-channel stereo
Wow and Flutter0.019% (WRMS)
Signal to Noise Ratio74dB (Dolby C)
Heads1 x record, 1 x playback, 1 x erase

Summary

Safety Instructions

CAUTION (Electrical Shock)

Warns about electrical shock hazards and user-serviceable parts.

WARNING (Fire/Moisture Hazard)

Advises to prevent fire or shock hazard by not exposing appliance to rain or moisture.

Controls and Features Overview

Front Panel Controls

Details the function of various buttons and jacks on the front panel of the cassette deck.

Sensitivity and Bias Adjustment Controls

Explains controls for adjusting record sensitivity and bias current for different tape types.

Tape Selection and EQ Controls

Details buttons for selecting tape types (EX, SX, ZX) and EQ settings for recording and playback.

Special Features

Playback Operations

Auto-Reverse System Explained

Explains how the deck automatically reverses tape direction for continuous playback.

NAAC Azimuth Correction System

NAAC System Mechanism

Explains the revolutionary NAAC system for automatic playback head azimuth correction.

Playback Procedure

Preparing for Recording

Manual Calibration Procedure

Level Calibration Process

Details the process of calibrating record/playback levels to match tape sensitivity differences.

Bias Calibration Process

Explains how to adjust bias current to optimize high-frequency response and minimize distortion.

Recording Instructions

Setting Input and Recording Levels

Guides on adjusting input levels using master and individual channel controls for optimal recording.

Tips for Setting Recording Levels

LED Meter Peak Level Guidance

Explains the accuracy of LED meters and the importance of setting levels to avoid distortion.

Dolby Noise Reduction System

Dolby B vs. C NR Comparison

Compares Dolby B and C NR systems, explaining their noise reduction capabilities.

Maintenance Procedures

Head and Transport Cleaning Guide

Emphasizes regular cleaning of heads, pinchrollers, and capstans for optimal performance.

Troubleshooting Common Issues

Tape Transport Problems

Lists causes and remedies for the tape not running, including motor protection and power issues.

Recording Mode Malfunctions

Covers problems entering record mode, such as no cassette or removed tabs.

Playback Quality Issues

Addresses problems like hiss, uneven levels, drop-outs, distortion, and dull high frequencies.

Technical Specifications

Deck Performance Specifications

Details the technical parameters of the cassette deck, including track configuration, heads, motors, and frequency response.

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