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Directed Audio 1200T manual

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Table of contents for the manual

  • Page 1

    model 1200 t[...]

  • Page 2

    2 2 © 2004 Directed Electronics, Inc Congratulations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 Limited T wo-year Consumer W arranty . . . . . . . . . . . . . . . . . . . . . . . . . .3 W arning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 Features . . . . . . [...]

  • Page 3

    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 workman- ship or material under normal use, for a period of two years from the date of purchase by the dealer as indicated by the date code marking of th[...]

  • Page 4

    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 offset, reverse polarity , short circuit and over/under voltage protection  T op-mounted controls located under smoked plexiglass cover  Programm[...]

  • Page 5

    5 5 © 2004 Directed Electronics, Inc INST ALLA TION GUIDELINES 1. Please read this owner's manual care- fully before installing this amplifier . 2. Disconnect the battery ground terminal prior to making any elec- trical connections. 3. Check for any hazards or obstruc- tions such as gas tanks, fuel or brake lines, and wiring harnesses before [...]

  • Page 6

    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. 8. This amplifier is designed to [...]

  • Page 7

    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. 3. S S p[...]

  • Page 8

    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 . The LE[...]

  • Page 9

    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 . The control panel cover must be removed to gain access to the gain and [...]

  • Page 10

    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). 3. S S u u b b s s o o n n i i c c F F[...]

  • Page 11

    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). Although [...]

  • Page 12

    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 ® . V ersions prior to 1.8 will not program the amplifier . MAIN FEA TURES 1. T T u u[...]

  • Page 13

    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)[...]

  • Page 14

    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. These are some guidelines to follow when fine-tuning the amplifier .  For full-range and simultaneous stereo/mono bass applications, the crossover selection switch sh[...]

  • Page 15

    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.  Infinite Baffle: Set to Fs of the woofe[...]

  • Page 16

    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 <0.08% 2 ohms, 400 watts <0.2% 1 ohm, 450 watts <0.5% Frequency Response 20-20,000 Hz Signal-to-Noise Ratio >98 dB Separation 65 dB @ 1 kHz Damping Factor >150 Crossover T ype/Range 2-[...]

  • Page 17

    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 oltage 10 to 16 VDC Fusing and Power 30A (qty 3) Minimum Cable Requirements (A WG) #8 Dimensions 19 x 9¾ x 2 inches Port Output (Optional Fan) 12V @<[...]

  • Page 18

    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. The recipient of more than 20 patents in the field of advanced electronic tech- nology , Directed is ISO 90[...]