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User manual Directed Audio, model 200/500

Manafacture: Directed Audio
File size: 181.37 kb
File name: 9bb15775-9ccd-4875-9002-398a8a990d8f.pdf
Language of manual:en
Free link for this manual available at the bottom of the page



manual abstract


of wire used. IASCA and other 3. Check for any hazards or obstructions such as gas tanks, fuel or autosound competition organizations have charts available for this; brake lines, and wiring harnesses you can also find a chart in the before mounting the amplifiers. MECP study guide. Minimum wire 4. Pick a mounting location that will gauge recommendations for the provide adequate access and ventilation and protect the amplifier from heat, moisture, and dirt. individual amplifiers are listed on the specification page. It is a good idea to use the same gauge wire 5. Avoid sharp metal areas when for the amplifier ground that you routing cables to the amplifier, and use for the power wire. Be sure to run RCA cables away from the examine the battery ground cable 6. power cables and other potentially noisy car harnesses. The amplifier should be grounded of the vehicle and upgrade it to a gauge of wire that can accommodate the extra load created by your with a short, heavy gauge wire amplifier installation. Remember, connected directly to the car at a the amplifier can only deliver its bare metal surface. Make sure rated output when it is not current that the metal area is part of the car chassis or frame, not a separate limited by the power and ground supply wires. part with poor electrical connection 8. This amplifier is designed to drive a to the chassis. speaker load that measures from 27. Always fuse your power connection 4 ohms. Keep in mind that heat is at the battery within 8-10 inches of the long-term enemy of automotive the battery terminal. Use a fuse or circuit breaker rated at about 5-10 electronics and that the lower your speaker load, the more heat © 1999 Directed Electronics, Inc INSTALLATION GUIDELINES (continued) is generated. For low impedance 10. Due to the high-frequency MOSFET speaker applications or restricted switching power supply used in all ventilation installations, an external cooling fan may be advisable. Directed Audio amplifiers, filtering the power cable is not generally 9. Your connections to the amplifier’s required (remember that the amp speaker and power terminals can’t deliver full output if the power should be made with crimped spade supply is restricted). Proper lugs, and the battery and ground grounding of the signal source is connections to the vehicle should be made with crimped ring terminals mandatory for the amplifier to reach its performance peak. If the of the appropriate size (surface RCA inputs are not grounded area is what counts); soldering the adequately via the signal source, terminals after crimping is also electrical noise from the vehicle recommended. may be picked up in the system. © 1999 Directed Electronics, Inc AMPLIFIER CONNECTIONS Refer to Figure 1 for details. 1. GROUND TERMINAL - connect this terminal to the car chassis with a short heavy gauge wire, DO NOT CONNECT TO THE NEGATIVE TERMINAL OF THE CAR BATTERY or to factory chassis ground points already occupied by factory wires! If you are grounding multiple amplifiers, you may use a high-current distribution block with proper gauge cables, or use individual grounds for each amp attached to the vehicle at separate but close ground points. 2. REMOTE TERMINAL - connect this terminal to the amplifier remote output from your head unit or signal source, if it provides one. You may also use the power antenna output wire from decks that do not have separate amp remote outputs. This input requires a switched +12V signal to activate the amplifier. Do FIGURE 1—AMPLIFIER CONNECTIONS not connect this terminal to a constant source of +12V. 3. +12V POWER TERMINAL - connect this terminal to the positive terminal of the car or separate audio system battery. Refer to the installation guidelines and specs page for proper gauge of wire. YOU MUST PROTECT THIS WIRE WITH A FUSE or circuit breaker located close to the battery. 4. POWER FUSE(s) - protects the amplifier against electrical damage. DO NOT REPLACE THE FUSE OR FUSES WITH LARGER AMPERAGE FUSES ! If the fuse(s) blows, check your system for wiring problems or see your dealer. 5. SPEAKER OUTPUT TERMINALS connect the speakers to these terminals. Refer to the speaker wiring diagrams (pg. 5) for different wiring options. 4 © 1999 Directed Electronics, Inc AMPLIFIER CONTROLS Refer to Figure 2 for details. 1. RCA INPUT JACKS - accepts line- level outputs from head units or signal sources at voltages from 200 mV to 8 volts. High-grade shielded or twisted pair RCA cables are recommended for this input. 2. GAIN ADJUSTMENT - controls the gain (input sensitivity) of the amplifier. Each control sets the gain for that half of the amplifier. 3. CROSSOVER SELECTION SWITCH controls the type of filter for each of two on-board active crossovers. LPF setting is used for low-pass (subwoofer) output frequencies, HPF is used for high-pass (midbass/ midrange) outputs. The FLAT setting is used for full-range or mixed stereo/mono applications. FIGURE 2—AMPLIFIER CONTROLS 4. BASS EQ -(model 50...


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