Assessments - 4, GPA: 3.3
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Facilidade de uso
Use the section of cable that was trimmed earlier and connect it to the other end of the fuseholder. 4. Strip 1/2" from the battery end of the power cable and crimp a large ring terminal to the cable. Use the ring terminal to connect to the battery positive terminal. DO NOT install the fuse at this time. INSTALLATION 5. Prepare the BLACK wire (Ground cable) for attachment to the amplifier by stripping 1/2" of insulation from the end of the wire. Insert the bared wire into the GND terminal and tighten the set screw to secure the cable in place. Prepare the chassis ground by scraping any paint from the metal surface and thoroughly clean the area of all dirt and grease. Strip the other end of the wire and attach a ring connector. Fasten the cable to the chassis using a non-anodized screw and a star washer. 6. Prepare the REM turn-on wire for connection to the amplifier by stripping 1/2" of insulation from the wire end. Insert the bared wire into the REM terminal and tighten the set screw to secure the cable into place. Connect the other end of the REM wire to a switched 12 volt positive source. The switched voltage is usually taken from the source unit's accessory lead. If the source unit does not have this output available, the recommended solution is to wire a mechanical switch in line with a 12 volt source to activate the amplifier. 7. Securely mount the amplifier to the vehicle or amp rack. Be careful not to mount the amplifier on cardboard or plastic panels. Doing so may enable the screws to pull out from the panel due to road vibration or sudden vehicle stops. 8. Connect the source signal to the amplifier by plugging the RCA cables/high level inputs into the input jacks at the amplifier. 9. Connect the speakers. Strip the speaker wires 1/2" and insert into the speaker terminal and tighten the set screw to secure into place. Be sure to maintain proper speaker polarity. DO NOT chassis ground any of the speaker leads as unstable operation may result. 10. Perform a final check of the completed system wiring to ensure that all connections are accurate. Check all power and ground connections for frayed wires and loose connections which could cause problems. NOTE: Follow the diagrams for proper signal polarity. ! CAUTION: These amplifiers are not recommended for impedance loads below 2. stereo and 4. bridged (mono). Power Connection 8 INSTALLATION Bridged Left Bridged Right 2-Channel Wiring Bridged 4-Channel 2-Channel 3-Channel Wiring • RCA Inputs connect to Front • Signal Imput Switch set to 2 • Gain - front and rear set equally • Crossover - front and rear set identically (example; switch to LP and frequency at 60Hz) • RCA Inputs connect to Front or Front and Rear • Signal Imput Switch set to 2 or 4 NOTE: Reverse polarity on subwoofer if front channel is set to HP (High Pass) and rear channel is set to LP (Low Pass) 4-Channel Wiring • RCA Inputs connect to Front and Rear • Signal Imput Switch set to 4 INSTALLATION USING PASSIVE CROSSOVERS A passive crossover is a circuit that uses capacitors and/or coils and is placed on speaker leads between the amplifier and speaker. The crossover delegates a specific range of frequencies to the speaker for optimum driver performance. A crossover network can perform one of three functions: High-Pass (capacitors), Low-Pass (inductors or coils) and Bandpass (combination of capacitor and coil). The most commonly used passive crossover networks are 6dB/octave systems. These are easy to construct and require one component per filter. Placing this filter in series with the circuit will reduce power to the speaker by 6dB/octave above or below the crossover point depending on whether it is a high-pass or low-pass filter. More complex systems such as 12dB/octave or 18dB/octave can cause impedance problems if not professionally designed. Passive crossovers are directly dependent upon the speaker's impedance and component value for accuracy. When passive crossover components are used in multiple speaker systems, the crossover's effect on the overall impedance should be taken into consideration along with the speaker's impedance when determining amplifier loads. ! CAUTION: These amplifiers are not recommended for impedance loads below 2. stereo and 4. bridged (mono). L 6dB/Octave Low-Pass C 80 Freq. Hertz Speaker Impedance 2 OHMS 4 OHMS 8 OHMS 4.1mH L 1000mF C 8.2mH L 500mF C 16mH L 250mF C 100 3.1mH 800mF 6.2mH 400mF 12mH 200mF 130 2.4mH 600mF 4.7mH 300mF 10mH 150mF 200 1.6mH 400mF 3.3mH 200mF 6.8mH 100mF 260 1.2mH 300mF 2.4mH 150mF 4.7mH 75mF 400 .8mH 200mF 1.6mH 100mF 3.3mH 50mF 600 .5mH 136mF 1.0mH 68mF 2.0mH 33mF 800 .41mH 100mF .82mH 50mF 1.6mH 26mF 1000 .31mH 78mF .62mH 39mF 1.2mH 20mF 1200 .25mH 66mF .51mH 33mF 1.0mH 16mF 1800 .16mH 44mF .33mH 22mF .68mH 10mF 4000 .08mH 20mF .16mH 10mF .33mH 5mF 6000 51mH 14mF .10mH 6.8mF .20mH 3.3mF 9000 34mH 9.5mF 68mH 4.7mF .15mH 2.2mF 12000 25mH 6.6mF 51mH 3.3mF 100mH 1.6mF 6dB/Octave High-Pass L = Low-Pass (Inductor) C = High-Pass (Capacit...
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