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200/2
300/2
models
250/4
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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 Buffered stereo full-range RCA power supply and complimentary output jacks. bipolar outputs. Variable input sensitivity optimizes Stereo, mono, or simultaneous match with different signal sources. stereo/mono operation. Gold-plated wire terminals and RCA Thermal, DC offset, reverse polarity connectors ensure maximum signal and short circuit protection. transfer. Selectable 12dB/octave two-way Rugged one-piece extruded heat crossover. sink finished wit
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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/CONTROLS 200/2 - 300/2 1. H Hiig gh h L Le ev ve ell IIn np pu ut t C Co on nn ne ec ct to orr - Accepts board active crossover. FLAT does not attenuate any frequencies and 1v to 10v input from the headunit’s is for full-range speaker systems. speaker output. HPF attenuates low frequencies and 2. R RC CA A O Ou ut tp pu ut t J Ja ac ck ks s -- These pass is used for mid-range speakers and through RCA jacks can be used to tweeters. LPF attenuates high send the inpu
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FIGURE 2—AMPLIFIER CONNECTIONS 250/4 FRONT 1 2 3 5 4 6 6 4 5 3 7 1 L R OUTPUT INPUT INPUT L R LPF HPF LPF HPF BASS EQ . BASS EQ . + + FRONT REAR - R - GAIN GAIN OFF ON OFF ON FLAT FLAT HIGH HIGH L INPUT MIN MAX MIN MAX INPUT REAR PANEL CONNECTIONS 1. S Sp pe ea ak ke err O Ou ut t T Te errm miin na alls s - Connect the remote turn on lead of the head the speakers to these terminals. unit or signal source. If a (+) 12 (Refer to the Speaker Connection volt remote turn lead is not avail- section
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FIGURE 2—AMPLIFIER CONNECTIONS 200/2 300/2 REAR 1 2 3 4 5
FIGURE 2—AMPLIFIER CONNECTIONS 250/4 REAR 1 2 3 4 5 BRIDGED FUSE 25A LR BATT REM GND FRONT SPEAKER OUTPUT REAR 9 © 2003 Directed Electronics, Inc
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SPEAKER WIRING DIAGRAMS 200/2 300/2 Stereo operation (top view) Mono operation (top view) Simultaneous stereo/mono operation (top view) 10 © 2003 Directed Electronics, Inc
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SPEAKER WIRING DIAGRAMS 250/4 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) Two Channel Stereo with Mono Sub Simultaneous 11 © 2003 Directed
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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 gain adjustment allows you to set proper signal match for
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SPECIFICATIONS Directed model 200/2 300/2 250/4 RMS continuous power per channel, both chan- 50 watts 7 75 5 watts 3 35 5 watts nels driven into 4 ohms from 20 to 20,000 Hz, x x2 2 x x2 2 x x4 4 with less than 0.08% Total Harmonic Distortion @ 14.4 VDC RMS continuous power per channel, both chan- 7 75 5 watts 1 12 25 5 watts 5 50 0 watts x x2 2 x x2 2 x x4 4 nels driven into 2 ohms from 20 to 20,000 Hz, with less than 0.1% Total Harmonic Distortion @ 14.4 VDC 1 15 50 0 watts 2 25
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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 92081 Directed® is committed to delivering world-class quality products and services that excit
