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Gemini GX Series User Manual

Gemini GX Series
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SERVICE MANUAL
GX-SERIES
SPEAKERS
CONTENTS:
Connections & Operations:.......................................................Page 2-6
Specifications:..............................................................................Page 6
Parts Lists:.....................................................................................Page 7
PCBs/Schematics....................................................................Page 8-10
Gemini Sound Products Corp.
120 Clover Place P.O. Box 6928
Edison, NJ 08818-6928
732-738-9003 (Phone) • 732-738-9006 (Fax)
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Gemini GX Series Specifications

General IconGeneral
BrandGemini
ModelGX Series
CategorySpeakers
LanguageEnglish

Summary

Introduction to Gemini GX-Series Speakers

Gemini GX-Series Speaker Features

Safety and Handling Cautions

General Operating Precautions

Read all instructions before use and avoid opening the unit.

Electrical Shock Hazard Warning

Do not open the unit; refer servicing to qualified technicians.

Environmental Precautions

Avoid direct sunlight, heat sources, rain, and moisture.

Cleaning and Maintenance

Use a damp cloth only; avoid solvents or detergents.

Transit and Handling

Use original packaging for transit to prevent damage.

Controls and Switches

Do not use spray cleaners or lubricants on controls or switches.

Line Voltage Selection

Speaker Connections Guide

GX-300/400 Connection

Connect GX-300/400 using a SpeakON cable from amplifier line out to input jack.

GX-350/450 Connection

Connect GX-350/450 to mixers or microphones using XLR/1/4" or RCA cables.

Chain-Linking Speakers

Use auxiliary line output jacks to chain-link additional speakers.

Speaker Operation Instructions

GX-300/400 Operation

Turn on signal source, then amplifier, adjust volume.

GX-350/450 Operation

Turn on signal source and speaker, adjust mic/line levels, speaker level, and EQ.

Speaker Setup Guide

Stage Monitoring Setup

Use mounting hardware to position speakers for stage monitoring.

Speaker Stand Mounting

Insert stand into the stand mounting socket and tighten.

Rigging and Stacking

Use rigging points for hanging or rubber feet for stacking.

Speaker Specifications

Detailed Specifications

Detailed technical specifications for the GX-series speakers.

GX-350 and GX-450 Parts Lists (BOM)

Amplifier Circuit Schematics

Amplifier Schematics Part 1 (AMP0211-4, AMP0211-3)

Circuit diagrams for amplifier sections.

Amplifier Schematics Part 2 (AMP0211-2, AMP0211-1.PCB)

Circuit diagrams for amplifier board sections.

Amplifier Schematics Part 3 (AMP0210-4A, AMP0210-3A)

Circuit diagrams for amplifier sections.

Amplifier Schematics Part 4 (AMP0210-2, AMP0210-1B.PCB)

Circuit diagrams for amplifier board sections.

12-inch Speaker Amplifier I/O Circuit

Input/Output circuit diagram for 12-inch speakers.

12-inch Speaker Amplifier Control Circuit

Control circuit diagram for 12-inch speaker amplifier.

12-inch Speaker Amplifier Power Section

Power amplifier section circuit diagram for 12-inch speakers.

SP-12UA/SP-15UA Crossover Circuit (Page 15)

Crossover network schematic for SP-12UA/SP-15UA speakers.

15-inch Speaker Amplifier Control Circuit

Control circuit diagram for 15-inch speaker amplifier.

15-inch Speaker Amplifier I/O Circuit

Input/Output circuit diagram for 15-inch speaker amplifier.

15-inch Speaker Amplifier Power Section

Power amplifier section circuit diagram for 15-inch speakers.

SP-12UA/SP-15UA Crossover Circuit (Page 19)

Crossover network schematic for SP-12UA/SP-15UA speakers.

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