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DA301L
DA704L
ULTRA SLIM SERIES
INSTALLATION / OWNER'S MANUAL
Mobile Power Amplifiers
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INSTALLATION Preparation Please read entire manual before installation. Due to the technical nature of amplifiers, it is highly recommended that your Dual amplifier is installed by a professional installer or an authorized dealer. Before You Start • Disconnect negative battery terminal. (consult a qualified technician for instructions) • Avoid installing the amplifier where it would be subject to high temperatures, such as from direct sunlight, or where it wo
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INSTALLATION Connection Descriptions NOTE: Be sure to follow specific instructions included with your amplifier installation kit (not included with this amplifier). The information below should be used as a general guideline only. Power Wire (+12V) • Disconnect negative battery terminal before proceeding. Consult a qualified technician for instructions if you are unsure. • Plan wire routing before cutting any wires to length. Begin by routing the power +12V wire
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INSTALLATION Audio Inputs and Controls DA301L 3 1 5 6 7 DA704L 4 1 1 2 3 2 Gain Subsonic Filter 1 5 Crossover Mode Bass Boost 2 6 High & Low Level Inputs Low Pass Filter 3 7 Crossover Frequency Control 4 4
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INSTALLATION Power and Speaker Connections DA301L 1 2 3 4 5 DA704L 1 2 3 4 5 Speaker Connections Remote Turn On 1 4 Fuse Ground Connection 2 5 +12VDC Battery Connection 3 5
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INSTALLATION Typical Wire Routing MAXIMUM GROUND FUSE No more than 36" (1 meter) 12V BATTERY 12V DC (Power) RCA CABLES SPEAKERS 2-8 ohms REM (Remote Turn On) Main Power Connections Connect +12V, GND and REM wires accordingly. A suitable fuse MUST be installed on the +12V lead within 18" of the battery for protection of the vehicle’s electrical system. Fuse Rating Power/Ground Wire Size When replacing fuses, make sure new fuse For optimum performance, use o
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INSTALLATION Amplifier Connections 4 Speakers (stereo) Speaker Connections Connect speaker wires observing polarity. The minimum impedance load for the DA301L and DA704L is 2 ohms. Use of loads lower than these is not recommended and may cause amplifier damage. (Front) DA704L speaker connections shown (Rear) Typical Stereo Wiring (2 ohms minimum) Input Signal Connections Low Level Input (RCA) Low level (RCA) input signal is preferred for best performance. Typical trunk- mount amplifier inst
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INSTALLATION Configuration/Setup Input level Control The input level control (gain) is used to obtain the best possible match between the head unit audio output and the amplifier input. Begin by turning the input level control fully counterclockwise. Next, turn up the head unit volume control around 3/4 of the way up. Adjust the input level control clockwise until audible distortion is heard, then slightly counterclockwise to provide the b
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INSTALLATION Troubleshooting Problem Cause Action +12V wire not connected or incorrect Check connections for proper voltage voltage. REM wire not connected or Unit will not turn on (11~16VDC) incorrect voltage (no power LED indicator) GND wire not connected Check connection to ground Fuse(s) blown Replace fuse(s) Speaker wires not connected Check connections at speakers Volume turned all the way down Increase volume level at head unit One or more spe
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INSTALLATION Specifications DA301L Power Output (14.4VDC, 20Hz ~ 250kHz): •150 Watts RMS x 1 channel @ 4 Ohms •350 Watts RMS x 1 channel @ 2 Ohm Peak Music Power Output: 700 Watts Signal to noise ratio: >80dB (THD < 0.5% @ 4Ω, 14.4V) Frequency response: 20Hz -250Hz (0, -3dB) Amplifier dimensions: 1.5” x 3” x 5.9” (13 x 76 x 150 mm) DA704L Power Output (14.4VDC, 20Hz ~ 20kHz): •100 Watts RMS x 4 channels @ 4 Ohms •150 Watts RMS x 4 channels @ 2 Ohms Peak Music Power Output: 400 Watts S
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INSTALLATION One-Year Limited Warranty This warranty gives you specific legal rights. What to do? You may also have other rights which vary 1. Before you call for service, check the from state to state. troubleshooting guide in your owner’s manual. A slight adjustment of any Dual Electronics Corp. warrants this product custom controls may save you a service to the original purchaser to be free from call. defects in material and workmanship f
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