Instruction/ maintenance manual of the product 1200T Directed Audio
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model 1200 t.
2 2 © 2004 Directed Electronics, Inc Congratulations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 Limited T wo-year Consumer W arranty . . . . . . . . . . . . . . . . . . . . . . . . . .3 W arning . . . . . . . .
LIMITED TWO-YEAR CONSUMER W ARRANTY 3 3 © 2004 Directed Electronics, Inc Directed Electronics, Inc. promises to the original purchaser , to replace this product should it prove to be defective in wor.
4 4 © 2004 Directed Electronics, Inc FEA TURES High-speed MOSFET switching power supply and dual N-channel MOSFET outputs Stereo, mono, or simultaneous stereo/mono operation Thermal, DC o.
5 5 © 2004 Directed Electronics, Inc INST ALLA TION GUIDELINES 1. Please read this owner's manual care- fully before installing this amplifier . 2.
6 6 © 2004 Directed Electronics, Inc cable of the vehicle, and if neces- sary , upgrade it by adding an addi- tional ground wire that is the same gauge as the amplifier's power wire. Remember , the amplifier can only deliver its rated output when it is not current limited by the power and ground supply wires.
7 7 © 2004 Directed Electronics, Inc 1. R R C C A A O O u u t t p p u u t t J J a a c c k k s s - These pass through RCA jacks can be used to send a signal to a second amplifier . 2. R R C C A A I I n n p p u u t t J J a a c c k k s s - Accepts line level outputs from head units or signal processors at voltages between 250 mV and 8 volts.
8 8 © 2004 Directed Electronics, Inc 1. S S p p e e a a k k e e r r O O u u t t T T e e r r m m i i n n a a l l s s - Connect the speakers to these terminals. (Refer to the Speaker Connection section of this guide.) 2. P P o o w w e e r r L L E E D D - - This LED will illuminate Green to indicate the amplifier is on and operating normally .
9 9 © 2004 Directed Electronics, Inc + BA TT REM GND FUSE 30A x 3 POWER ONE OHM 1 MIN L R 2 MIN BRIDGED FIGURE 2—AMPLIFIER CONNECTIONS 1200T REAR 1 6 4 7 5 2, 3 Control Panel Cover The gain and filter controls are located under a control panel cover on top of the amplifier .
1 1 0 0 © 2004 Directed Electronics, Inc AMPLIFIER CONTROLS TOP 1. E E S S P P P P o o r r t t - - Allows programming of the amplifier using the Bitwriter ® . 2. S S u u b b s s o o n n i i c c F F r r e e q q u u e e n n c c y y H H z z - - This control adjusts the subsonic filter cutoff (between 15-50 Hz).
1 1 1 1 © 2004 Directed Electronics, Inc ESP PORT XOVER FREQ Hz SUBSONIC FREQ Hz 55 550 15 50 SUBSONIC FIL TER XOVER SLOPE 12 24 dB IN OUT BASS BOOST GAIN MIN MAX 0 15 dB AMP MODE MONO STEREO LOW FULL HIGH 1 3 2 7 9 4 5 6 8 FIGURE 3—AMPLIFIER CONTROLS TOP N N O O T T E E : : The adjustment for Gain is a digital control (potentiometer).
1 1 2 2 © 2004 Directed Electronics, Inc ESP FEA TURES AND CONTROLS The ability to access the feature settings of your amplifier is only possible with the use of a Directed Electronics Bitwriter ® unit. Firmware version 1.8 or later is required in the Bitwriter ® .
1 1 3 3 © 2004 Directed Electronics, Inc SPEAKER WIRING DIAGRAMS Stereo operation (top view) Mono operation (top view) Simultaneous stereo/mono operation (top view).
1 1 4 4 © 2004 Directed Electronics, Inc CROSSOVER SETTINGS AND GAIN ADJUSTMENT Y our Directed Audio power amplifier needs to be adjusted carefully to achieve maximum performance.
1 1 5 5 © 2004 Directed Electronics, Inc SUBSONIC FIL TER ADJUSTMENT Sealed Enclosure: Set to Fs of the woofer or higher . Ported Enclosure: Set to tuning frequency of enclosure or higher . Sealed Bandpass: Set to Fs of enclosure. Ported Bandpass: Set to low tuning frequency of enclosure.
1 1 6 6 © 2004 Directed Electronics, Inc Conversion Efficiency >82% @ 4 ohms T otal Harmonic Distor tion THD+N (10Hz–30kHz BW) 4 ohms, 180 watts <0.
1 1 7 7 © 2004 Directed Electronics, Inc RCA Input/Output Jacks 2-channel in/2-channel buffered full-range out Input Impedance 30K ohms Input Sensitivity V ariable from 250 mV to 8 volts Supply V olt.
The company behind this system is Directed Electronics, Inc. Since its inception, Directed has had one purpose, to provide customers with the finest vehicle security , car stereo products, rear seat entertainment, and accessories avail- able.
An important point after buying a device Directed Audio 1200T (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Directed Audio 1200T 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 Directed Audio 1200T - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Directed Audio 1200T you will learn all the available features of the product, as well as information on its operation. The information that you get Directed Audio 1200T will certainly help you make a decision on the purchase.
If you already are a holder of Directed Audio 1200T, 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 Directed Audio 1200T.
However, one of the most important roles played by the user manual is to help in solving problems with Directed Audio 1200T. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Directed Audio 1200T 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
