Interfire Audio G1-1200, G1-3000, G1-2000 User Manual

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MONO CHANNEL CLASS "D"

AUTOMOTIVE AMPLIFIER

G1-1200 / G1-2000 / G1-3000

INSTRUCTION MANUAL

CONGRATULATIONS ON YOUR PURCHASE

Your new high fidelity mono block amplifier is designed to deliver maximum enjoyment and one year of trouble free service. Please take a few moments to read this manual thoroughly. It will explain the features and operation of your unit and help insure trouble

free installation.

FEATURES

Class ''D'' Technology

1 Ohm Stable

Spec Audiophile Grade Components

High Efficiency PWM Power Supply

-Multi-stranded power toroid

-Tow toroidal core

-MOSFET transistors

Oversized Capacitor Banks

Discrete Mount Power and speaker terminals

Variable Low Pass Electronic Crossover 50Hz - 250Hz

Built in power bridging module

Circuit / Thermal / Overload Protection

Bridge Sync Capable

Remote Level Control

IMPORTANT

PLEASE READ ALL INSTRUCTIONS BEFORE INSTALLATION !

The quality of installation may affect the performance and reliability of your product. If you have any doubts or questions regarding installation, you may wish to contact your authorized dealer. Remember to heed all wire and fuse requirements suggested in this manual. Warranty may be void if proper installation technique is not used (refer to warranty section in the rear of the manual )

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INSTALLATION

MOUNTING:

1.After reading precaution, decide where you are going to install the unit. Also, see Fig.1.

2.Once the location has been determined, place the amplifier into position. Using a felt tip

pen or pencil mark the four holes to be drilled for mounting. NEVER use the amplifier as a template for drilling. It is very easy to damage the amplifier surface in this manner.

3.Remove amplifier. Drill four 3.5 m/m holes into mounting surface. If you want to mount the amplifier to MDF or wood panel, drill four 3.0m/m diameter holes into mounting surface.

4.If possible, test the system to ensure it is operating correctly before final mounting of the amplifier.

5.Mount the amplifier using the supplied 4 self tapping screws.

INSTALLATION DIAGRAM

Self Tapping Screws

FIG.1

2

Interfire Audio G1-1200, G1-3000, G1-2000 User Manual

SPEAKER WIRING

The Class "D" amplifier is a SINGLE CHANNEL dedicated subwoofer amplifier. Unlike other amplifiers, the Class "D" operates as a single channel and cannot be bridged. Don't be fooled by the outputs. Two outputs are used strictly for convenience and are paralleled internally on the amplifier. This means that if both outputs are used with one driver each, the amplifier sees the same load as if the same drivers are connected to only one output terminal. See diagram below.

digital mono block AMPLIFIER G1-2000

 

SPEAKER

 

B+

POWER

 

 

FUSE

REM

GND

30A

30A

30A

 

 

4OHM

4OHM

SUBWOOFER

SUBWOOFER

digital mono block AMPLIFIER G1-2000

 

SPEAKER

 

B+

POWER

 

 

FUSE

REM

GND

30A

30A

30A

 

 

4OHM

4OHM

SUBWOOFER

SUBWOOFER

In both diagrams, the amplifier sees a 2 ohm load.

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