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Kenwood KA-7300 Service Manual

Kenwood KA-7300
14 pages
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Kenwood KA-7300 Specifications

General IconGeneral
Power Output65 watts per channel into 8Ω (stereo)
Frequency Response7Hz to 50kHz
Input Sensitivity2.5mV (MM), 150mV (line)
Signal to Noise Ratio80dB (MM), 100dB (line)
Damping Factor50
Speaker Load Impedance4Ω to 16Ω
Channel Separation55dB (line)

Summary

External and Top View Overview

Bottom View Component Layout

Unit Disassembly Steps

Packaging and Shipping Details

Circuit Descriptions - Part 1

Equalizer Amplifier

Explains the 3-stage direct-coupled equalizer circuit with FET differential amplifier.

Tone Control

Details the BASS, TREBLE, and turnover frequency controls and their configurations.

Loudness Control

Describes the loudness control's boost levels for low frequencies.

Filter Amplifier

Covers the Yamane type high, low, and subsonic filters.

Circuit Descriptions - Part 2

Presence Control

Explains the circuit for enhancing middle or middle-high band frequencies.

Power Amplifier

Describes the power amplifier composition and class-A drive.

Power Supply System

Details the independent power supply circuits for improved tone quality.

Control Amp Service Notes

Provides specific notes for the control amplifier service.

Troubleshooting Guide

Component Parts List

PC Board and Semiconductor Substitutions

Schematic Diagram

Block Diagram

Technical Specifications

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