Instruction/ maintenance manual of the product D1 250.2 Diamond Audio Technology
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D1 250.2 | D1 300.4 | D1 400.1 AMPLIFIER INST ALL A TION MANUAL.
2 Congratulations! Thank you for choosing a Diamond Audio T echnologies D1 Series amplier . We sincerely believe that DAT products offer you outstanding per- formance and value. DA T products ar e engineer ed and produced with the highest quality materials and incorporate the latest technology .
3 Fr equency Response: 20Hz to 20KHz +/-3 dB Signal to Noise Ratio: > 95dBA (20 to 20kHz) Channel Separation 50dB THD+N(T otal Harmonic Distortion + Noise) < 0.2% (Output-1W 4 Ohms) RCA Input Sensitivity: 150mV to 4V RCA Input Impedance: > 20K Ohms Hi-Level Input Sensitivity: 1.
4 Connections and Contr ols This section describes how all of the terminals and adjustments of DA T D1 Series ampliers function. D1 250.2 2-Channel Amplifier These Functions are Identic al for Each Pair of Channels (Fr ont and Rear) D1 300.4 4-Channel Amplifier D1 400.
5 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 wher ever possible. On the 4 channel amplifiers (D1 300.
6 Installation Guidelines T ools and Supplies Listed bel ow ar e the tools and supplies needed to compl ete this installation: • V olt/Ohm Meter • Wir e strippers and wir e cutters • #2 Phillips.
7 Mounting Locations Engine Compartment Never mount this unit in the engine c ompartment. Mounting the unit in the engine compartment will void your warranty . T runk Mounting Mounting the amplier v ertically will pr ovide adequate cooling of the amplier .
8 3) T rim the power cable within 18 inches (45.7mm) of the positive batt ery 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 cabl e.
9 25A 25A F R BRIDGE + + – + – – 25A FUSE REM GND +12V 30A FUSE BRIDGE L R + + – + – – REM GND +12V Connecting Multiple Speak ers If you must connect more than one speaker per channel, there are two methods in which to do so: Series or Parallel.
10 Installing the Remote Le vel Controll er The D1 400.1 comes packaged with a r emote lev el contr ol. This allows you to contr ol the lev el by attenu- ating the amplitude or incr easing (up to the maximum set-point ) of the amplier’ s input gain contr ol.
11 Adjustment of Built-In Crosso ver (All Models) Placing the switch in the HP position sets the amplier to the High P ass mode, enabling fr equencies above the cutoff point t o pass. Placing the switch in the LP position sets the amplier to the Low Pass mode, enabling frequencies below the cut off point to pass.
042007 Diamond Audio W arranty Diamond Audio T echnologies, LLC (DA T) warrant s this product to be free fr om defect s in mate- rial and workmanship f or a period of one (1) year from the original date of pur chase pr ovided it was pur chased from an authorized DA T ret ailer within the United States.
An important point after buying a device Diamond Audio Technology D1 250.2 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Diamond Audio Technology D1 250.2 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Diamond Audio Technology D1 250.2 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Diamond Audio Technology D1 250.2 you will learn all the available features of the product, as well as information on its operation. The information that you get Diamond Audio Technology D1 250.2 will certainly help you make a decision on the purchase.
If you already are a holder of Diamond Audio Technology D1 250.2, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Diamond Audio Technology D1 250.2.
However, one of the most important roles played by the user manual is to help in solving problems with Diamond Audio Technology D1 250.2. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Diamond Audio Technology D1 250.2 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
