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Luxman MQ-88uC User Manual

Luxman MQ-88uC
16 pages
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Owner`s
Manual
VACUUM TUBE STEREO POWER AMPLIFIER
MQ-88uC
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Luxman MQ-88uC Specifications

General IconGeneral
TypeVacuum Tube Amplifier
Output Power25W + 25W (8Ω)
Frequency Response10Hz - 100kHz
Input Impedance100kΩ
Output Impedance4Ω / 8Ω
Vacuum tubes used6L6GC, 12AX7
Tube ComplementKT88 x4, 12AX7 x2, 12AU7 x2
Dimensions440(W) x 185(H) x 230(D) mm
Weight28kg

Summary

Precautions

Installation and Ventilation Requirements

Guidance on selecting a suitable location for the amplifier, emphasizing ventilation and heat radiation.

Speaker Connection Safety

Warning about short-circuiting speaker terminals to prevent amplifier malfunction.

Operational Notes and Delays

Information on power-on delay and advice for repair, adjustment, and cleaning procedures.

Component Connection and Safety Cautions

Precautions for connecting components and general safety warnings for unit handling and operation.

Features of This Unit

Vacuum Tube Circuit Design

Details on the use of specific JJ Electronic vacuum tubes for all amplification stages.

Rated Output Power

Information on the rated output of 25W+25W suitable for various speaker environments.

Output Tubes and Circuit Design

Description of KT88 output tubes, parallelized first stage, and triode connection.

Component and Chassis Features

Details on impedance matching, classic parts layout, monocoque chassis, and transformers.

Capacitor and Input Specifications

Information on LUXMAN's original block capacitor and dual input options.

Design and Connectivity Features

Details on vacuum tube bonnet, custom parts, wide pitch RCA terminals, and reliable design.

Names and Functions

Front Panel Controls and Indicators

Details on the operation indicator, operation switch, and volume control on the front panel.

Rear Panel Connections and Terminals

Details on direct/variable inputs, input selector, speaker terminals, and AC inlet on the rear panel.

Connections

Before Connecting Devices

Instructions on connecting the power cable and ensuring all devices are off before making connections.

Power Supply and Source Component Connection

Guidance on connecting the power cable and source components like CD players or control amplifiers.

Speaker Connection Guide

Detailed steps for connecting speakers to the unit, considering impedance and polarity.

Block Diagram

Specifications

Before Asking for Repair Service

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