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model
2150
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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. Continuously variable 12 dB/ Rugged one-piece extruded heat octave two-way active crossove
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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 1. 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 tweeters. LPF attenuates high through RCA jacks can be used to frequencies and is used for send a signal to a second amplifier. subwoofers speakers. 2. R RC CA A IIn np pu ut t J Ja ac ck ks s - Accepts line level 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 - 5. outputs from head units or signal Adjusts the crossover point for the
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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 volt remote turn lead is not avail- (Refer to the Speaker Connection able, a Remote Power Adapter section of this guide.) (P/N #55000) can be used to 2. P Po ow we err F Fu us se e - This fuse protects the supply a remote turn on signal. DO amplifier against internal electrical NOT connect this terminal
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SPEAKER WIRING DIAGRAMS Stereo operation (top view) Mono operation (top view) Simultaneous stereo/mono operation (top view) 9 © 2002 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 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 2150 RMS continuous power per channel, both chan- 50 watts nels driven into 4 ohms from 20 to 20,000 Hz, with less than 0.08% Total Harmonic Distortion @ 14.4 VDC RMS continuous power per channel, both chan- 75 watts nels driven into 2 ohms from 20 to 20,000 Hz, with less than 0.1% Total Harmonic Distortion @ 14.4 VDC RMS continuous power bridged into a 4 ohm 150 watts load from 20 to 20,000 Hz, with less than 0.1% Total Harmonic Distortion @ 14.4 VDC Dynamic pow
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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 Directed Electronics, Inc. technology, Directed is ISO 9001 registered. Vista, California 92083 Directed® is committed to delivering world-class quality products and services that excit
