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MONO CHANNEL CLASS "D"
AUTOMOTIVE AMPLIFIER
G1-1200 / G1-2000 / G1-3000
INSTRUCTION MANUAL
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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 - MOSFE
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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 ampl
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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. digi
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SPEAKER WIRING MONO BRIDGED MASTER SLAVE Master Amplifier MASTER SLAVE LINE INPUT GAIN LPF BASS BOOST MASTER CH1 /SLAVE 6V 0.2V 50Hz 250Hz 0dB 12dB REMOTE CH2 GAIN CONTROL FROM MASTER SLAVE RADIO Slave Amplifier MASTER SLAVE LINE INPUT GAIN LPF BASS BOOST MASTER CH1 /SLAVE 6V 0.2V 50Hz 250Hz 0dB 12dB REMOTE CH2 GAIN CONTROL WIRING SUBWOOFERS (DUAL AMPS) When using dual amplifiers to power one subwoofer, the Positive terminal of the Subwoofers voice coil is connected the positive terminal of the
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SPEAKER WIRING MONO BRIDGED Master Amplifier digital mono block AMPLIFIER G1-2000 SPEAKER POWER B+ REM GND FUSE 30A 30A 30A Using a lead wire of 8 gauge or bigger connect from the master Amp's negative(-) speaker terminal to the slave Amp's negative(-) speaker terminal. digital mono block AMPLIFIER G1-2000 SPEAKER POWER Slave B+ REM GND FUSE Amplifier 30A 30A 30A BATTERY VIA FUSE CHASSIS GROUND REMOTE TURN ON (OPTION) TWO AMPLIFIER/ ONE SUBWOOFER (SINGLE VOICE COIL)CONFIGURATION digital mon
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SPEAKER WIRING MONO BRIDGED (OPTION) FOUR AMPLIFIER/ ONE SUBWOOFER (DUAL VOICE COIL)CONFIGURATION digital mono block AMPLIFIER G1-2000 SPEAKER POWER Master B+ REM GND FUSE Amplifier 30A 30A 30A Voice Voice Coil1 Coil2 Slave Amplifier digital mono block AMPLIFIER G1-2000 SPEAKER POWER B+ REM GND FUSE 30A 30A 30A Master Amplifier digital mono block AMPLIFIER G1-2000 SPEAKER POWER B+ REM GND FUSE 30A 30A 30A digital mono block AMPLIFIER G1-2000 SPEAKER POWER B+ REM GND FUSE Slave Amplifier 30A 30A
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POWER SUPPLY CONNECTIONS The Class "D" amplifier is designed to work within 10 to 16 volts DC. Before any wires are connected, the vehicle's electrical system should be checked for correct voltage supply with the help of a voltmeter. First check the voltage at the battery terminals with the ignition in the off position. The voltmeter should read no less than 12 volts. Next, check the battery with the engine running between 1500 and 2000 rpm. The voltmeter should now read between 13.5 and
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OPERATION 1 2 3 4 5 6 7 MASTER SLAVE LINE INPUT GAIN LPF BASS BOOST MASTER CH1 /SLAVE 6V 0.2V 50Hz 250Hz 0dB 12dB REMOTE CH2 GAIN CONTROL 1. RCA Input Jacks 2. Input Level Control 3. Low Pass Frequency 4. Bass Boost 5. Remote Control Jack 6. Master/Slave Switch 7. Slave Input Jack Control and Crossover 1. RCA Input Jacks - Low level-high impedance inputs. Use high quality RCA cables designed for mobile applications. 2. Input Level Control - Adjust the i
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FRONT/REAR PANEL MASTER SLAVE LINE INPUT GAIN LPF BASS BOOST MASTER CH1 /SLAVE 6V 0.2V 50Hz 250Hz 0dB 12dB REMOTE CH2 GAIN CONTROL G1-1200/2000/3000 front digital mono block AMPLIFIER Gd-1500 SPEAKER POWER FUSE B+ REM GND 25A 25A 25A G1-1200 REAR digital mono block AMPLIFIER Gd-2000 SPEAKER POWER FUSE B+ REM GND 30A 30A 30A G1-2000 REAR digital mono block AMPLIFIER Gd-3000 SPEAKER POWER B+ REM GND G1-3000 REAR 9
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TROUBLE SHOOTING GUIDE This section provides you with a catalog of amplifier symptoms and their probable causes and solutions. Before you consult this listing, make sure the vehicle's electrical system is working properly by verifying that other electrical items (e. g. headlights, windows, etc.) Still function correctly. SYMPTOM PROBABLE CAUSE SOLUTION No Audio Low or N.C Remote Check remote turn-on voltage at Turn-on connections amp and head unit Blown Fuse Replace with new fas
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SPECIFICATION AMPLIFIER G1-1200 G1-2000 G1-3000 RMS POWER / 1 ohm @ 1% T.H.D 1200W x 1 2000W x 1 3000W x 1 2 ohms @ 0.05% T.H.D 750W x 1 1000W x 1 2000W x 1 4 ohms @ 0.05% T.H.D 400W x 1 500W x 1 1000W x 1 Efficiency / Typical @ 4 ohms 90% 90% 90% MIN RATE @ 1 ohm 79% 79% 79% Bandwidth ±1dB 10Hz ~ 250Hz 10Hz ~ 250Hz 10Hz ~ 250Hz Signal To Noise Ratio ('A' WTD) >100dB >100dB >100dB Damping Factor 150 150 150 Input Sensitivity 200mV ~ 6V 200mV ~ 6
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WARRANTY WARRANTY LIMITATIONS WARRANTY TERMS The following is NOT covered under Interfire (Effective January 01, 2010) Audio's warranty program: These terms supersede all prior published warranty terms 1. Product owned by anyone other than the Interfire Audio products are warrantied against original purchaser from an authorized defects in materials and workmanship for a Interfire Audio dealer. (The warranty is period of One (1) Year from the original date of NOT transferable and will not
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Interfire Audio, Inc. Santa Fe Springs, CA 90670 www.interfireaudio.com Printed in PRC
