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200.4
models
500.4
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2 © 2002 Directed Electronics, Inc
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CONGRATULATIONS Congratulations for choosing a Viper delight the mobile sound enthusiast with Audio power amplifier from Directed years of high-quality audio reproduction. Electronics, the industry leader in high Viper Audio power amplifiers come with quality automotive security and audio a two-year limited warranty if installed equipment since 1990. by an authorized Viper dealer. If not With the introduction of Viper Audio installed by an authorized dealer, Viper power amplifiers, Directed Elec
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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 continuously variable 12 power supply and complimentary dB/octave two-way active bipolar outputs. crossovers. Four channel architecture supports Dual switchable 8 dB bass EQ func- up to six channel use. tion. Thermal, DC offset, reverse polarity Summed stereo full-range RCA and short circuit protection. output jacks. Top-mounted controls located under Gold-plated screw-block plugs and illuminated Viper snake logo trim RCA jacks ensure maximum sig
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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 3. Check for any hazards or obstruc- used. IASCA and other auto sound 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 of the one through four-channel outputs from head units or signal inputs of the amplifier. processors at voltages between 3. S St ta at tu us s L LE ED D - Lights GREEN to indi- 150mV and 8 volts. cate the amplifier is on and oper- 2. R RC CA A O Ou ut tp pu ut t J Ja ac ck ks s - These pass ating normally, and will be off if the through RCA jacks can be used to amplifier shuts down due to short s
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4. ( (+ +) ) 1 12 2 V Vo ollt t P Po ow we err - Connect this connection. Always use wire of the terminal through a FUSE or CIRCUIT same gauge or larger than the (+) BREAKER to the positive terminal of 12 volt power wire. The chassis the vehicle battery or the positive connection point should be scraped terminal of an isolated audio free of paint and dirt. Use only system battery. quality crimped and/or soldered connectors at both ends of this W WA AR RN NIIN NG G:: Always protect this power wir
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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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TOP PANEL FEATURES Control Panel Cover cracking the window. The amplifier’s gain and filter controls 2. Apply two of the precut pieces of are mounted under the elliptical control adhesive tape to the corners of the panel cover. Magnets hold the cover window that don't have tape. Make snugly and allow easy access. sure to apply the tape to the side T To o iin ns st ta allll t th he e c co ov ve err that makes contact with the cover. - Place the straight end of the control panel Save the other tw
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SPEAKER WIRING DIAGRAMS Stereo Operation (bottom view four channel shown) Bridged operation (bottom view two channel shown) N NO OT TE E:: For bridged two-channel operation as shown below, connect the 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 the RCA cables per the input jack marking. 12 © 2002 Directed Electronics, Inc
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Simultaneous stereo/mono operation (bottom view) 13 © 2002 Directed Electronics, Inc
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CROSSOVER SETTINGS AND GAIN ADJUSTMENT Your Viper 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 you
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SPECIFICATIONS Viper model 200.4 500.4 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 50 125 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
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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
