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AMPLIFIER INSTALLATION MANUAL
D1 250.2 D1 300.4 D1 400.1
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Congratulations! Thank you for choosing a Diamond Audio Technologies D1 Series amplifier. We sincerely believe that DAT products offer you outstanding per- formance and value. DAT products are engineered and produced with the highest quality materials and incorporate the latest technology. We think you will find your new DAT amplifier meets or exceeds your expectations and provides excellent value. Properly installed, your new DAT D1 Series amplifier will provide years of high quality sonic rep
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Frequency Response: 20Hz to 20KHz +/-3 dB Signal to Noise Ratio: >95dBA (20 to 20kHz) Channel Separation 50dB D1 250.2 THD+N(Total Harmonic Distortion + Noise) <0.2% (Output-1W 4 Ohms) 2-Channel Amplifier RCA Input Sensitivity: 150mV to 4V RCA Input Impedance: >20K Ohms Hi-Level Input Sensitivity: 1.5V to 14V 250 Watts RMS Output Power (All Channels Driven): Hi-Level Input Impedance: 32 Ohms (Into 4 Ohms) 75w x 2 Min to Max Voltage requirements 10.2V to 15.5V DC (Into
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25A 25A 25A 25A 25A 25A 15A 15A 15A 15A 15A 15A 15A 15A 15A 218 x 57.5mm Connections and Controls 218 x 57.5mm 218 x 57.5mm This section describes how all of the terminals and adjustments of DAT D1 Series amplifiers function. 3 4 5 1 1 6 8 FILTER BASS BOOST L L R Primex X-OVER GAIN L FILTER BASS BOOST L L R X-OVER GAIN 3ptPrimex HIGH INPUT HP LP 0dB +6dB L FLAT 40Hz 400Hz MIN MAX HIGH INPUT 3pt 10˚ slant FILTER HP LP BASS BOOST 0dB +6dB R L X-OVER GAIN L R Primex FLAT 40Hz 400Hz MIN MAX L 10˚ s
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RCA Input and Pass-Thru Output - These RCA jacks allow for a normal Left and Right channel signal input. Simply connect to the 1 source unit using RCA type audio cables, keeping them away from power wiring wherever possible. On the 4 channel amplifiers (D1 300.4) “Front” and “Rear” input jacks are present. The “Pass-Thru” output allows the signal to pass on to other amplifiers. The Pass-Thru output is unaffected by the onboard crossover. Input Gain Adjustment - This control matches the preamp
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Installation Guidelines Tools and Supplies Listed below are the tools and supplies needed to complete this installation: • Volt/Ohm Meter • Wire strippers and wire cutters • #2 Phillips screwdriver • Battery post wrench • Hand held drill w/assorted bits • High quality electrical tape or heatshrink tubing • Soldering iron and solder or assorted crimp connectors • Adequate Length— Power Wire (minimum 4 gauge recommended) • Adequate Length— Ground Wire (minimum 4 gauge recommended) • Adequate Lengt
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Mounting Locations Engine Compartment Never mount this unit in the engine compartment. Mounting the unit in the engine compartment will void your warranty. Trunk Mounting Mounting the amplifier vertically will provide adequate cooling of the amplifier. If you will be mounting it to an existing panel, be sure it’s not prone to excessive vibration (such as mounting to the back of a subwoofer enclosure). Excess vibration is not recommended for electronic products, amplifiers included.
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3) Trim the power cable within 18 inches (45.7mm) of the positive battery Power Connections post and splice in a in-line fuse holder. DO NOT install the fuse at this time. 4) Strip 1/2 inch (12.7mm) from the battery end of the power cable and crimp a large ring terminal to the cable. Connect the ring terminal to the positive (+) battery post. 5) Prepare the ground wire for attachment to the amplifier by stripping 5/8” of insulation from the end of the wire, Insert the bare wire into t
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25A 25A 25A 25A 15A 15A 15A 25A 25A Connecting Multiple Speakers If you must connect more than one speaker per channel, there are two methods in which to do so: Series or Parallel. Parallel connections are harder on the amplifier than series connections, as the total impedance is lower compared to driving a single speaker, and the amplifier must produce more current to drive them. The following diagrams show “bridged” connections from the amplifier. For more in depth information on series a
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For more wiring options, see the support section at www.diamondaudio.com Installing the Remote Level Controller The D1 400.1 comes packaged with a remote level control. This allows you to control the level by attenu- ating the amplitude or increasing (up to the maximum set-point) of the amplifier’s input gain control. This control does not add additional bass boost, it simply allows you to control the level to suit your tastes. 1) Locate a position in the front of the vehicle where this wil
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Adjustment of Built-In Crossover (All Models) Placing the switch in the HP position sets the amplifier to the High Pass mode, enabling frequencies above the cutoff point to pass. Placing the switch in the LP position sets the amplifier to the Low Pass mode, enabling frequencies below the cutoff point to pass. Placing the switch in the OFF position sets the amplifier to Full Range, preventing any crossover ad- justment. This setting allows ALL frequencies to pass to the sp
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Diamond Audio Warranty Diamond Audio Technologies, LLC (DAT) warrants this product to be free from defects in mate- rial and workmanship for a period of one (1) year from the original date of purchase provided it was purchased from an authorized DAT retailer within the United States. However, if this product was installed by an authorized DAT retailer, the warranty period will be extended to three (3) years. This warranty is valid only to the original purchaser and is not extended to owners o
