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OWNER’S MANUAL
Model 350
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CONGRATULATIONS Thank you for choosing a Directed Audio audio design, Directed Audio amplifiers power amplifier. Directed has been the will satisfy every music lover’s needs for leader in high-quality and innovative years to come. Your Directed Audio security products in the U.S. since power amplifier comes with a two year 1990. Now we introduce to the car limited warranty if it is installed by an audio industry the same winning authorized DEI dealer. Amplifiers not formula - products that me
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TABLE OF CONTENTS Installation Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . .Page 2 Amplifier Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . .Page 4 Amplifier Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Page 5 Speaker Wiring Diagrams . . . . . . . . . . . . . . . . . . . . . . . . .Page 6 Crossover Setting and Gain Adjustment . . . . . . . . . . . . . . . .Page 7 Specification . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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INSTALLATION GUIDELINES (continued) is generated. For low impedance 10. Due to the high-frequency MOSFET speaker applications or restricted switching power supply used in all ventilation installations, an external Directed Audio amplifiers, filtering cooling fan may be advisable. the power cable is not generally 9. Your connections to the amplifier’s required (remember that the amp speaker and power terminals can’t deliver full output if the power should be made with crimped spade supply is res
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AMPLIFIER CONNECTIONS Refer to Figure 1 for details. 1. GROUND TERMINAL - connect this 3. +12V POWER TERMINAL - connect terminal to the car chassis with a this terminal to the positive short heavy gauge wire, DO NOT terminal of the car or separate CONNECT TO THE NEGATIVE audio system battery. Refer to the TERMINAL OF THE CAR BATTERY or installation guidelines and specs to factory chassis ground points page for proper gauge of wire. YOU already occupied by factory wires! MUST PROTECT THIS WIRE W
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AMPLIFIER CONTROLS Refer to Figure 2 for details. 1. RCA INPUT JACKS - accepts line- crossover frequency controls to level outputs from head units or adjust the subwoofer output. signal sources at voltages from 6. BASS EQ - This switch activates an 200mV to 8 volts. 8dB bass boost circuit. Use as necessary for low frequency 2. GAIN ADJUSTMENT - controls the enhancement. gain (input sensitivity) of the amplifier. Each control sets the gain 7. CROSSOVER FREQUENCY - controls for that half of the a
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SPEAKER WIRING DIAGRAMS Five channel operation Three channel operation For bridged three channel operation as shown in this diagram, connect right channel RCAcables to the “FRONT” inputs of the amplifier, and left channel RCA cables to the “REAR” inputs of the amplifier. 6 © 2000 Directed Electronics, Inc.
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CROSSOVER SETTINGS AND GAIN ADJUSTMENT Your Directed Audio power amplifier needs to be adjusted carefully to achieve maximum performance. These are some guidelines to follow when fine-tuning the amplifier. For normal complete system applications, the crossover selection switches should be set to "HPF". The crossover frequency controls need to be adjusted to suit your particular system. For subwoofer applications, try and keep the setting low enough to prevent image smearing (you should not
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SPECIFICATIONS ch 1-4 ch 5 RMS continuous power per channel,Channels 1-4 driven into 4 ohms 35 100 from 20 to 20,000 Hz, with less than 0.08% total Harmonic Distortion watts watts @ 14.4 VDC. Channel 5 driven into 4 ohms from 20-250 Hz, with less than 0.08% THD @ 14.4 VDC. RMS continuous power per channel,Channels 1-4 driven into 2 ohms 50 150 from 20 to 20,000 Hz, with less than 0.1% Total Harmonic Distortion watts watts @ 14.4 VDC. Channel 5 driven into 2 ohms from 20-250 Hz, wit
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LIMITED TWO YEAR CONSUMER WARRANTY ® Directed Electronics, Inc. (DEI ) promises to ULAR PURPOSE, AND WARRANTY OF the original purchaser, to replace this NON-INFRINGEMENT OF INTELLECTUAL product should it prove to be defective in PROPERTY ARE EXPRESSLY EXCLUDED TO workmanship or material under normal use, THE MAXIMUM EXTENT ALLOWED BY for a period of two years from the date of LAW, AND DEI NEITHER ASSUMES NOR purchase by the dealer as indicated by the AUTHORIZES ANY PERSON TO ASSUME date code mar
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OTHER PRODUCTS AVAILABLE FROM: CLASS D MONO AMPLIFIERS ® 2 CHANNEL AMPLIFIERS 4 AND 5 CHANNEL AMPLIFIERS SIGNAL PROCESSORS TUBE SUBWOOFERS POWERED SUBWOOFERS SINGLE AND DUAL VOICE COIL SUBWOOFERS COAXIAL SPEAKERS SINGLE AND DUAL VOICE COIL SUBWOOFERS COAXIAL SPEAKERS COMPONENT SPEAKER SYSTEMS SINGLE AND DUAL VOICE COIL DIE-CAST SUBWOOFERS COMPONENT NEODYMIUM SPEAKER SYSTEMS SINGLE AND DUAL VOICE COIL DIE-CAST SUBWOOFERS HIGH PERFORMANCE POWER CABLES PREMIUM SP
