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Table of Contents
Related Manuals for Dual DPA250
Summary of Contents for Dual DPA250
- Page 1 DPA250 INSTALLATION/OWNER’S MANUAL Mobile Power Amplifier...
- Page 2 DPA250 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) •...
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Page 3: Connection Descriptions
DPA250 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 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 from the battery to the amplifier location. Use a grommet when running wires through the firewall or metal openings. - Page 4 DPA250 INSTALLATION Connections and Control Locations RCA Line Inputs Ground Connection Gain Control Remote Connection Crossover Frequency Control +12VDC Battery Connection Crossover Mode Fuse Bass Boost Speaker Connections Treble Boost Power/Protect LEDs...
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Page 5: Typical Wire Routing
DPA250 INSTALLATION Typical Wire Routing 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 the fuse, make sure new For optimum performance, use only the wire fuse is the correct type and amperage. -
Page 6: Amplifier Connections
DPA250 INSTALLATION Amplifier Connections Subwoofer (mono) 2 Speakers (stereo) Speaker Connections Connect speaker wires observing polarity. The minimum impedance load is 2 ohms stereo and 4 ohms bridged. Use of loads lower than these is not recommended and may cause amplifier damage. The DPA250 can be wired for stereo, bridged or stereo/bridged simultaneous operation. -
Page 7: Configuration/Setup
DPA250 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. -
Page 8: Limited One-Year Warranty
2. If you require service during the the original purchase. warranty period, you must carefully pack the product (preferably in the Dual Electronics Corp. agrees, at our original package) and ship it by prepaid option, during the warranty period, transportation with a copy of the original... -
Page 9: Specifications
DPA250 OPERATION Specifications CEA-2006 Power Standard Specifications (reference: 14.4VDC, 20Hz~20kHz) Power Output (14.4VDC, 20Hz ~ 20kHz): 35 Watts RMS x 2 channels @ 4 ohms and ≤ 1% THD+N 50 Watts RMS x 2 channels @ 2 ohms and ≤ 1% THD+N 100 Watts RMS x 1 channel @ 4 ohms (bridged) and ≤ 1% THD+N Total dynamic power: 250 Watts @ 4 ohms Signal to noise ratio: 75dBA (reference: 1 watt into 4 ohms) Frequency response: 20Hz ~ 20kHz (+/-3dB) Amplifier dimensions: 8.27”(L) x 7.09”(W) x 1.97”(D) Typical installation dimensions: 10”(L) x 10”(W) x 3”(D) Design and specifications subject to change without notice. -
Page 10: Troubleshooting
DPA250 OPERATION Troubleshooting Problem Cause Action Unit will not turn on +12V wire not connected or incorrect voltage Check connections for proper voltage (no power LED indicator) REM wire not connected or incorrect voltage (11~16VDC) GND wire not connected Check connection to ground Fuse(s) blown Replace fuse(s) Unit has power - power Speaker wires not connected Check connections at speakers LED is green ... - Page 11 DPA250 OPERATION Notes...
- Page 12 Dual Electronics Corp. Toll Free: 1-866-382-5476 www.dualav.com ©2012 Dual Electronics Corp. NSA0412-V01...