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4200
models
4500
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2 © 2002 Directed Electronics, Inc
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CONGRATULATIONS Congratulations for choosing a Directed enthusiast with years of high-quality Audio power amplifier from Directed audio reproduction. Electronics, the industry leader in high Directed Audio power amplifiers come quality automotive security and audio with a two-year limited warranty if equipment since 1990. installed by an authorized Directed Directed Audio power amplifiers dealer. If not installed by an authorized continue to set new standards of perfor- dealer, Directed Audio po
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LIMITED TWO-YEAR CONSUMER WARRANTY Directed Electronics, Inc. promises to the WARRANTY OF NON-INFRINGEMENT OF original purchaser, to replace this product INTELLECTUAL PROPERTY ARE EXPRESSLY should it prove to be defective in workman- EXCLUDED TO THE MAXIMUM EXTENT ship or material under normal use, for a ALLOWED BY LAW, AND DIRECTED period of two years from the date of NEITHER ASSUMES NOR AUTHORIZES purchase by the dealer as indicated by the ANY PERSON TO ASSUME FOR IT ANY date code marking of t
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FEATURES High-speed MOSFET switching Dual switchable 8 dB bass EQ func- power supply and complimentary tion bipolar outputs Summed stereo full-range RCA Four-channel architecture supports output jacks up to six channel use Gold-plated wire terminals and RCA Thermal, DC offset, reverse polarity connectors ensure maximum signal and short circuit protection transfer Top-mounted controls easily Rugged one-piece extruded heat accessed for system tuning sink finished with injection-molded mou
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INSTALLATION GUIDELINES 1. Please read this owner’s manual terminal. Use a fuse or circuit carefully before installing this ampli- breaker rated slightly more than the fier. on-board fuse(s) of the amplifier(s). The gauge of power 2. Disconnect the battery ground wire used should take into account terminal prior to making any elec- the total current draw of the trical connections. system, and the length of wire used. IASCA and other auto sound 3. Check for any hazards or obstruc- competition or
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speaker load, the more heat is 10. Due to the high-frequency MOSFET generated. For low impedance switching power supply, filtering the speaker applications or restricted power cable is not generally ventilation installations, an external required (remember that the amp cooling fan may be advisable. can’t deliver full output if the power supply is restricted). Proper 9. Battery and ground connections to grounding of the signal source is the vehicle should be made with mandatory for the amplifier
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FRONT PANEL CONNECTIONS/STATUS LED 1. R RC CA A IIn np pu ut t J Ja ac ck ks s - Accepts line level inputs of the amplifier. outputs from head units or signal 3. S St ta at tu us s L LE ED D - Lights GREEN to indi- processors at voltages between cate the amplifier is on and oper- 150mV and 8 volts. ating normally and will be off if the R RC CA A O Ou ut tp pu ut t J Ja ac ck ks s - 2. These pass amplifier shuts down due to short through RCA jacks can be used to circuit, DC offset, or overheatin
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4. R Re em mo ot te e T Tu urrn n O On n - This terminal of the vehicle using the shortest turns on the amplifier when (+) 12 wire necessary to make this volt is applied to it. Connect it to connection. Always use wire of the the remote turn on lead of the head same gauge or larger than the (+) unit or signal source. If a (+) 12 12 volt power wire. The chassis volt remote turn lead is not avail- connection point should be scraped able, a Remote Power Adapter free of paint and dirt. Use only (P/N
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TOP PANEL CONTROLS 1. IIn np pu ut t G Ga aiin n A Ad djju us st tm me en nt t - Controls tweeters. LPF attenuates high amplifier sensitivity and is used to frequencies and is typically used for match the input level of the ampli- subwoofers. fier to the output level of the signal 3. C Crro os ss so ov ve err F Frre eq qu ue en nc cy y A Ad djju us st tm me en nt t - source. Adjusts the crossover point for the 2. C Crro os ss so ov ve err S Se elle ec ct tiio on n S Sw wiit tc ch h - on board ac
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SPEAKER WIRING DIAGRAMS Stereo Operation (top view) Two Channel Stereo Four Channel Stereo N NO OT TE 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 subwoofer applications, connect RCA cables per the input jack marking. Simultaneous stereo/mono operation (top view) Simultaneous Two Channel Stereo with Mono Sub 11 © 2002 Directed Elect
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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 full-range and simultaneous stereo/mono bass applications, the crossover selection switch should be set to FLAT. If the amplifier is driving your subwoofers, set the switch to LPF, and for mid-bass/midrange output, set to HPF. The crossover frequency control needs to be adjusted to suit
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SPECIFICATIONS Directed model 4200 4500 RMS continuous power per channel, All channels 35 75 watts watts driven into 4 ohms from 20 to 20,000 Hz, with less than 0.08% Total Harmonic Distortion @ 14.4 VDCC RMS continuous power per channel, All channels 50 20/125 watts watts driven into 2 ohms from 20 to 20,000 Hz, with less than 0.1% Total Harmonic Distortion @ 14.4 VDC RMS continuous power, 2-channel operation, bridged 100x2 250x2 watts watts into 4 ohms from 20 to 20,000 Hz, with less than
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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 electronic technology, Directed is ISO 9001 registered. Directed Electronics, Inc. Vista, California 92083 Directed® is committed to delivering world-class quality products and services that excit
