Accuphase E-308 User Manual

Attention mark indicating critical components for safety.
Replacement must be made with identical parts of special part number.
このマークのついている部品は、安全上重要な部品です。
必ず指定されている部品番号の部品を使用して下さい。
Authorized Technical Service Only
These servicing instructions are for use by qualified personnel only.
To reduce the risk of electric shock do not perform any servicing
other than that contained in the operating instructions unless you are
qualified to do so. Refer all servicing to qualified service personnel.
ここに記載したサービスに関する指示事項は、サービスに関する資格を
有する者のみが使用するものです。感電防止の観点から、サービス資格
を有していない方は、取扱指示事項以外のサービスは絶対に行わないよ
うにして下さい。
CAUTION /
回路図

Accuphase E-308 Specifications

General

Speaker load impedance	4Ω to 16Ω
Type	Stereo Integrated Amplifier
Total Harmonic Distortion	0.03 %
Frequency Response	20Hz to 20kHz
Damping factor	100

Summary

Service Information

Authorized Technical Service Only

Instructions for qualified service personnel only.

Critical Safety Warnings

Attention for critical components and safety precautions.

Exterior Parts Identification

Surface Parts Overview

Identification and part numbers for external components shown on this page.

Miscellaneous Parts

Circuit Adjustment Procedures

Bias Current Adjustment

Procedure to adjust bias current for power amplifier channels.

Meter Calibration

Procedure to calibrate the output level meters.

AC Line Voltage Selection

Voltage Selection Procedure

Steps for changing the unit's AC input voltage setting.

Master Circuit Diagram

Overall System Interconnections

Comprehensive diagram showing interconnections between all assemblies.

Detailed Circuit Schematics

Block Diagram

Signal Flow and Assembly Interconnections

Specifications

Output Power and Distortion Specs

Technical specifications for output power and harmonic distortion.

Frequency Response and Input Specs

Specifications for frequency response, input sensitivity, and impedance.

Tone Controls and Attenuator Specs

Signal-to-Noise Ratio and Power Specs