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Directed Audio 250/4 - page 1
models 200/2 300/2 250/4 ...
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Directed Audio 250/4 - page 2
2 © 2003 Directed Electronics, Inc T ABLE OF CONTENTS CONGRA TULA TIONS Congratulations for choosing a Directed Audio power amplifier from Directed Electronics, the industry leader in high quality automotive security and audio equipment since 1990. Directed Audio power amplifiers continue to set new standards of perfor- mance, reliability , and af ...
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Directed Audio 250/4 - page 3
LIMITED TWO-YEAR CONSUMER W ARRANTY 3 © 2003 Directed Electronics, Inc Directed Electronics, Inc. promises to the original purchaser , to replace this product should it prove to be defective in workman- ship or material under normal use, for a period of two years from the date of purchase by the dealer as indicated by the date code marking of the ...
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Directed Audio 250/4 - page 4
4 © 2003 Directed Electronics, Inc High-powered car audio systems may produce sound pressure levels that exceed the threshold at which hearing loss may result. They may also impair a driver’ s ability to hear traffic sounds or emergency vehi- cles. Use common sense and practice safe listening habits when listening to or adjusting your audio syst ...
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Directed Audio 250/4 - page 5
5 © 2003 Directed Electronics, Inc INST ALLA TION GUIDELINES 1. Please read this owner’ s manual carefully before installing this ampli- fier . 2. Disconnect the batter y ground terminal prior to making any elec- trical connections. 3. Check for any hazards or obstruc- tions such as gas tanks, fuel or brake lines, and wiring harnesses before mou ...
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Directed Audio 250/4 - page 6
6 © 2003 Directed Electronics, Inc speaker load, the more heat is generated. For low impedance speaker applications or restricted ventilation installations, an external cooling fan may be advisable. 9. Batter y and ground connections to the vehicle should be made with crimped ring terminals of the appro- priate size (surface area is what counts); ...
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Directed Audio 250/4 - page 7
7 © 2003 Directed Electronics, Inc 1. H H i i g g h h L L e e v v e e l l I I n n p p u u t t C C o o n n n n e e c c t t o o r r - Accepts 1v to 10v input from the headunit’ s speaker output. 2. R R C C A A O O u u t t p p u u t t J J a a c c k k s s - - These pass through RCA jacks can be used to send the input signal to a second amplifier . 3 ...
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Directed Audio 250/4 - page 8
1. S S p p e e a a k k e e r r O O u u t t T T e e r r m m i i n n a a l l s s - Connect the speakers to these terminals. (Refer to the Speaker Connection section of this guide.) 2. P P o o w w e e r r F F u u s s e e - - This fuse protects the amplifier against internal electrical damage and is meant to protect the amplifier only . All other power ...
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Directed Audio 250/4 - page 9
9 © 2003 Directed Electronics, Inc REM GND BAT T 20A FUSE SPEAKER OUTPUT LR BRIDGED FIGURE 2—AMPLIFIER CONNECTIONS 200/2 300/2 REAR 1 2 4 3 5 REM GND BAT T 25A FUSE LR BRIDGED SPEAKER OUTPUT FRONT REAR FIGURE 2—AMPLIFIER CONNECTIONS 250/4 REAR 1 2 4 3 5 ...
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Directed Audio 250/4 - page 10
10 © 2003 Directed Electronics, Inc SPEAKER WIRING DIAGRAMS 200/2 300/2 Stereo operation (top view) Mono operation (top view) Simultaneous stereo/mono operation (top view) ...
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Directed Audio 250/4 - page 11
11 © 2003 Directed Electronics, Inc SPEAKER WIRING DIAGRAMS 250/4 Simultaneous stereo/mono operation (top view) N N O O T T E E : : For bridged two channel operation as shown in this diagram, connect right channel RCA cables to the front inputs of the amplifier , and left channel RCA cables to the rear inputs of the amplifier . For summed subwoofe ...
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Directed Audio 250/4 - page 12
12 © 2003 Directed Electronics, Inc CROSSOVER SETTINGS AND GAIN ADJUSTMENT Y our 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 full-range and simultaneous stereo/mono bass applications, the crossover selection switch should ...
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Directed Audio 250/4 - page 13
13 © 2003 Directed Electronics, Inc SPECIFICA TIONS Directed model 200/2 300/2 250/4 RMS continuous power per channel , both chan- nels driven into 4 ohms from 20 to 20,000 Hz, with less than 0.08% T otal Harmonic Distor tion @ 14.4 VDC RMS continuous power per channel , both chan- nels driven into 2 ohms from 20 to 20,000 Hz, with less than 0.1% ...
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Directed Audio 250/4 - page 14
16 © 2003 Directed Electronics, Inc The company behind this system is Directed Electronics, Inc. Since its inception, Directed has had one purpose, to provide customers with the finest vehicle security , car stereo products, rear seat entertainment, and accessories available. The recipient of more than 20 patents in the field of advanced electroni ...
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