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AMPLIFIER INSTALLATION MANUAL
HA 700.2 HA 700.4 HA 750.1
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Congratulations! Thank you for choosing a Diamond Audio Technologies HEX amplifier. We sincerely believe that HEX amplifiers have the very best performance 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 HEX amplifier meets or exceeds your expectations and provides excellent value. Properly installed, your new HEX amplifier will provide years of high quality sonic reproduction. Before
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Frequency Response: 20Hz to 20KHz +/-1 dB Signal to Noise Ratio: >83dBA (20 to 20kHz) HA 700.2 Channel Separation 53dB 2-Channel Amplifier THD+N(Total Harmonic Distortion + Noise) <0.4%(Output-1W 4 Ohms) RCA Input Sensitivity: 150mV to 5V Min to Max Voltage requirements 9V to 15.5V DC 700 Watts RMS Output Power High/Low Pass Crossover: 24dB/Oct (All Channels Driven): Variable From 35-350Hz Crossover Configuration: Switchable (OFF/HP/LP) (Into 4 Ohms) 200w x 2 (I
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Connections and Controls This section describes how all of the terminals and adjustments of HEX Series amplifiers function. 4 gauge power and ground wire is recommended for all models. 4
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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 source unit using RCA type audio cables, keeping them away from power wiring wherever possible. On the 4 channel amplifier 1 (HA 700.4) “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 s
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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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Power Connections PWR PRT GND REM +12V FUSE ++–– MONO 3) Trim the power cable within 18 inches (45.7mm) of the positive battery 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 strip- ping 5/8” of insulation from the end of
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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. HA 700.4 4-Channel Amplifier FR Speaker FL Speaker FL Speaker Subwoofer RL Sp
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For more wiring options, see the Support section at www.diamondaudio.com Installing the Remote Level Controller The HA 750.1 comes packaged with a remote level control. This allows you to control the level by attenuating the amplitude or increasing (up to the maximum set-point) of the amplifier’s input gain control. This control does not add additional gain, it simply allows you to control the level to suit your tastes. 1) Locate a position in the front of the vehicle where this will be e
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Adjustment of Built-In Crossover (All Models) Placing the switch in the OFF position sets the amplifier to Full Range. This setting allows ALL frequencies to pass to the speakers. (Not available on HA 750.1). Placing the switch in the ON position activates the crossover. 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, en
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Diamond Audio Warranty Diamond Audio Technologies, (DAT) warrants this product to be free from defects in material 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 of the
