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Show MA-4075 - User Manual

Show MA-4075
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MULTIZONE PA. MIX POWER AMPLIFIER
NF02651-1.2
MA-4075MA-4075
RR
www.show-pa.com
User's Manual
cc
SEIKAKU TECHNICAL GROUP LIMITED
No.1, Lane 17, Sec. 2, Han Shi West Road, Taichung, 401 TAIWAN
Tel:886-4-22313737 Fax:886-4-22346757
http://www.show-pa.com e-mail: sekaku@sekaku.com
All rights reserved to SEIKAKU. All features and content might be changed
without prior notice. Any photocopy, translation, or reproduction of part of this
manual without written permission is forbidden. Copyright 2006 SEIKAKU Group
MULTIZONE PA. MIX POWER AMPLIFIER
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Summary

Safety Related Symbols

General Safety Precautions

Covers power supply, external connections, covers, fuse, ground, and operating conditions.

Power Supply Safety

Ensure mains voltage matches product rating to prevent damage.

External Connection Safety

Use insulated mains cabling; consult electrician if unsure.

Cover Removal Warning

Covers contain high voltages; only qualified personnel should remove.

Fuse Replacement

Use correct fuse type; replace with unit OFF and disconnected.

Protective Grounding

Ensure connection to Ground before ON to prevent electric shock.

Operating Conditions

Install according to manufacturer instructions.

Important Safety Instructions

Power Cord and Plug Safety

Safe handling and use of the power cord and plug.

Cleaning Guidelines

Guidelines for cleaning the product safely.

Servicing Procedures

Specifies that servicing should only be done by qualified personnel.

Product Specifications

Front Panel Controls Overview

Gain, High, and Low Knobs

Controls for input gain, treble, and bass adjustments.

Mute Controls and Indicators

Buttons and LEDs for muting channels and status indication.

Volume and Zone Controls

Controls for overall volume, headphone volume, and zone selection.

Monitor Volume and Headphone Output

Controls for monitor output signal level and headphone output socket.

Front Panel Controls Continued

Zone1 Volume Control

Adjusts the output signal level for ZONE1.

LED VU-meter

Displays the overall output signal level using LED segments.

MONITOR Selector

Manages signal connection to the monitor volume.

Power Indicator and Switch

LED indicator for power status and the main power switch.

Rear Panel Connections Overview

Intelligent Fan Function

Features an intelligent fan that adjusts speed based on internal temperature.

AC Input and Fuse

Connects the unit to the main power supply and contains the fuse.

Rear Panel Connections Continued

AC Voltage Selector

Allows selection of input mains voltage (115V or 230V).

Monitor Line Out

Provides a line output for connecting to external devices.

Monitor 1 W8Ω Speaker Output

For connecting a small external loudspeaker driven by an internal amplifier.

Priority Terminal Function

Enables signal attenuation for priority functions when short-circuited.

AUX Paging Input

Input for auxiliary signals featuring a voice priority override.

Zone and Tel Paging Volume

Dip switches for zone selection and volume control for Tel Paging.

LINE IN Inputs

Inputs for high-level audio sources like tuners or CD players.

Rear Panel Connections Continued

MIC;LINE Channels

Mono channels for microphone or line level instrument inputs.

Input Sensitivity and Phantom Switch

Controls input sensitivity and provides phantom power for condenser microphones.

Line Out Bal;Unbal

Balanced and unbalanced line outputs for connecting to other equipment.

Power Amp Speaker Outputs

Terminals for connecting speakers to the power amplifier output.

Show MA-4075 Specifications

General IconGeneral
BrandShow
ModelMA-4075
CategoryAmplifier
LanguageEnglish

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