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Luxman LX-380 User Manual

Luxman LX-380
24 pages
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Owner`s
Manual
VACUUM TUBE INTEGRATED AMPLIFIER
LX-380
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Luxman LX-380 Specifications

General IconGeneral
TypeIntegrated Amplifier
Output Power36 W + 36 W (4Ω), 32 W + 32 W (8Ω)
Signal-to-Noise Ratio90 dB
Dimensions440 (W) x 197 (H) x 230 (D) mm
Weight17.6 kg
Frequency Response20Hz - 80kHz (+0, -3.0dB)
Inputs4 x Line, 1 x Phono
Output Impedance4Ω - 8Ω
Vacuum Tubes12AX7 x 2, 12AU7 x 2

Summary

Precautions

Installation and Ventilation Guidelines

Proper placement for heat dissipation and avoiding blocked vents.

Audio Connection Safety

Precautions for connecting speakers and other components to prevent damage.

Operational and Maintenance Advice

Information on time muting circuit, repair, and cleaning.

General Safety Warnings

Warnings regarding unit weight, hot surfaces, and safe usage environments.

Key Features

Design and Build Quality

Mentions wooden case, beam tetrode configuration, and aluminum knobs.

Audio Performance Features

Details phono amplifier, tone control, LECUA attenuator, and selector IC.

Functional Capabilities

Covers subsonic/monaural functions, headphone output, and separate function.

Additional Features

Connectivity and I/O

Details recorder I/O, large speaker terminals, and RCA pitch.

Build and Reliability

Features like high-quality relays, aluminum remote, and vacuum tube design.

Front Panel Controls - Part 1

Power and Tone Selection

Explains the operation switch and frequency selectors for tone control.

Sound Mode Switches

Details Line Straight and Loudness functions for sound quality.

Front Panel Controls - Part 2

Input and Mode Selection

Covers input selector, monitor switch, and cartridge selection.

Special Function Switches

Details Subsonic, Mode, and Separate function switches.

Front Panel Controls - Part 3

Primary User Interface

Explains volume, balance, and speaker selection controls.

Ancillary Front Panel Features

Covers remote sensor and headphone jack functionality.

Tone Controls

Treble Adjustment

Details how to adjust the high frequency range using the treble control.

Bass Adjustment

Details how to adjust the low frequency range using the bass control.

Rear Panel Connections - Part 1

Input and Grounding Terminals

Details PHONO, LINE-1 to LINE-4, and MONITOR input connections.

Output and Monitoring Terminals

Covers REC OUT, SIGNAL GROUND, and PRE OUT terminals.

Rear Panel Connections - Part 2

Amplifier Section Connectivity

Explains PRE OUT, MAIN IN, and SPEAKER terminals.

Power Input

Details the AC inlet for power supply.

Connection Procedures

General Connection Setup

Pre-connection steps and power supply connection instructions.

Connecting Audio Sources

How to connect CD, SACD, tuner, and other input devices.

Speaker Connectivity

Detailed guide on connecting speaker systems correctly.

Advanced Connection Methods

Analog Player and Recorder Connections

How to connect turntables, recorders, and phono sources.

Separate Amplifier Configuration

Instructions for connecting PRE OUT/MAIN IN terminals.

Operating the Amplifier

Basic Operation and Playback

Steps before operation and basic playback procedure.

Control Functionality

How to use line straight, balance, and tone controls.

Recording Operation

Steps for selecting and recording audio sources.

Remote Control Operation

Remote Control Functions

Details volume, mute, and CD/SACD player control buttons.

Battery Management

Guide for loading dry cell batteries into the remote control.

System Block Diagram

Technical Specifications

Electrical Performance

Details rated output, THD, and input sensitivity/impedance.

Signal Quality and Audio Shaping

Covers frequency response, S/N ratio, and tone control.

System Components and Power

Lists features, circuit type, tubes, accessories, and power details.

Physical Specifications

Details external dimensions and unit weight.

Troubleshooting Guide

Troubleshooting Power and Sound Issues

Solutions for no power, no sound, or unbalanced sound problems.

Troubleshooting Noise and Control Issues

Fixes for humming, tone control, and feature activation problems.

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