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Fabricar: Directed Audio
Tamaño del archivo: 423.69 kb
Nombre del archivo: 34502220_Directed_Audio_2150_Owners_Manual.pdf
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Resumen del manual
• Buffered stereo full-range RCA output jacks. • Variable input sensitivity optimizes match with different signal sources. • Gold-plated wire terminals and RCA connectors ensure maximum signal transfer. • Rugged one-piece extruded heat sink finished with injection-molded mounting feet. They may also impair a driver’s ability to hear traffic sounds or emergency vehicles. Use common sense and practice safe listening habits when listening to or adjusting your audio system. © 2002 Directed Electronics, Inc INSTALLATION GUIDELINES 1. Please read this owner’s manual carefully before installing this amplifier. 2. Disconnect the battery ground terminal prior to making any electrical connections. 3. Check for any hazards or obstructions such as gas tanks, fuel or brake lines, and wiring harnesses before mounting the amplifier. 4. Pick a mounting location that will provide adequate access and ventilation and protect the amplifier from heat, moisture, and dirt. 5. Avoid sharp metal areas when routing cables to the amplifier, and run RCA cables away from the power cables and other potentially noisy car harnesses. 6. The amplifier should be grounded with a short, heavy gauge wire connected directly to the car at a bare metal surface, preferably scraped body sheet metal. Do not use factory ground locations, seat 8. bolts, or brackets that are spotwelded. 7. Always fuse your power connection within 8 to 10 inches of the battery terminal. Use a fuse or circuit breaker rated slightly more than the on-board fuse(s) of the amplifier(s). The gauge of power wire used should take into account the total current draw of the system, and the length of wire used. IASCA and other auto sound competition organizations have charts available for this; you can also find a chart in the MECP study guide. Minimum wire gauge recommendations for the individual amplifiers are listed on the specification page. Always use the same gauge wire for the amplifier ground that you use for the power wire. Be sure to examine the battery ground cable of the vehicle, and if necessary, upgrade it by adding an additional ground wire that is the same gauge as the amplifier power wire. Remember, the amplifier can only deliver its rated output when it is not current limited by the power and ground supply wires. This amplifier is designed to drive a speaker load that measures from 2 to 8 ohms. Keep in mind that heat is the long-term enemy of automotive electronics and the lower your © 2002 Directed Electronics, Inc speaker load, the more heat is generated. For low impedance speaker applications or restricted ventilation installations, an external cooling fan may be advisable. 9. Battery and ground connections to the vehicle should be made with crimped ring terminals of the appropriate size (surface area is what counts); soldering the terminals after crimping is also recommended. 10. Due to the high-frequency MOSFET switching power supply, filtering the power cable is not generally required (remember that the amp can’t deliver full output if the power supply is restricted). Proper grounding of the signal source is mandatory for the amplifier to reach its performance peak. If the RCA inputs are not grounded adequately via the signal source, electrical noise from the vehicle may be picked up in the system. © 2002 Directed Electronics, Inc FRONT PANEL CONNECTIONS/CONTROLS 1. R RRC CCA AA O OOu uut ttp ppu uut tt J JJa aac cck kks ss -These pass through RCA jacks can be used to send a signal to a second amplifier. 2. R RRC CCA AA I IIn nnp ppu uut tt J JJa aac cck kks ss -Accepts line level outputs from head units or signal 5. processors at voltages between 150mV and 8 volts. 6. 3. I IIn nnp ppu uut tt G GGa aai iin nn A AAd ddj jju uus sst ttm mme een nnt tt -Controls amplifier sensitivity and is used to match the input level of the amplifier to the output level of the signal 7. source. 4. C CCr rro oos sss sso oov vve eer rr S SSe eel lle eec cct tti iio oon nn S SSw wwi iit ttc cch hh Controls the type of filter for the onboard active crossover. FLAT does not attenuate any frequencies and is for full-range speaker systems. HPF attenuates low frequencies and FIGURE 1—AMPLIFIER CONNECTIONS 2150 FRONT is used for mid-range speakers and tweeters. LPF attenuates high frequencies and is used for subwoofers speakers. C CCr rro oos sss sso oov vve eer rr F FFr rre eeq qqu uue een nnc ccy yy A AAd ddj jju uus sst ttm mme een nnt tt Adjusts the crossover point for the on-board active crossovers. B BBa aas sss ss E EEQ QQ S SSw wwi iit ttc cch hh - Adds an additional 8 db of boost to the speaker output when on. S SSt tta aat ttu uus ss L LLE EED DD - Will light GREEN to indicate the amplifier is on and operating normally, and will be off if the amplifier shuts down due to short circuit, DC offset, or overheating detected by on-board protection circuitry. 1 234 5 67 © 2002 Directed Electronics, Inc REAR PANEL CONNECTIONS 1. S SSp ppe eea aak kke eer rr O OOu uut tt...