Directed Audio 350d manual

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Table of contents for the manual

  • Page 1

    model 350d[...]

  • Page 2

    T ABLE OF CONTENTS CONGRA TULA TIONS 2 © 2003 Directed Electronics, Inc Limited T wo-Y ear Consumer W arranty . . . . . . . . . . . . . . . . . . . . . . . . .3 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 W arning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .[...]

  • Page 3

    LIMITED TWO-YEAR CONSUMER W ARRANTY 3 © 2003 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 the [...]

  • Page 4

    4 © 2003 Directed Electronics, Inc High-powered car audio systems may produce sound pressure levels that exceed the threshold at which hearing loss may result. They may also impair a driver’ s ability to hear traffic sounds or emergency vehi- cles. Use common sense and practice safe listening habits when listening to or adjusting your audio syst[...]

  • Page 5

    5 © 2003 Directed Electronics, Inc INST ALLA TION GUIDELINES 1. Please read this owner’ s manual carefully before installing this ampli- fier . 2. Disconnect the batter y 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 mou[...]

  • Page 6

    6 © 2003 Directed Electronics, Inc speaker load, the more heat is generated. For low impedance speaker applications or restricted ventilation installations, an external cooling fan may be advisable. 9. Batter y and ground connections to the vehicle should be made with crimped ring terminals of the appro- priate size (surface area is what counts); [...]

  • Page 7

    7 © 2003 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 150mV and 8 volts. 3. I I n n [...]

  • Page 8

    8 © 2003 Directed Electronics, Inc REM GND SUB OUTPUT BAT T 25A FUSE FIGURE 2—AMPLIFIER CONNECTIONS 350d REAR 1 2 4 3 5 1. S S u u b b 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 F F u u s s e e - - This fuse protects th[...]

  • Page 9

    SPEAKER WIRING DIAGRAMS 9 © 2003 Directed Electronics, Inc Single subwoofer connection (top view) T wo subwoofer connection (top view) N N O O T T E E : : The dual + and -- sub-out terminals of the 350d are paralleled internally and the combined load impedance should be taken into consideration when connecting multiple subwoofers.[...]

  • Page 10

    CROSSOVER SETTINGS AND GAIN ADJUSTMENT 10 © 2003 Directed Electronics, Inc 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 .  Because this amplifier is only designed for subwoofer applications, the low-pass crossover is active [...]

  • Page 11

    SPECIFICA TIONS 11 © 2003 Directed Electronics, Inc RMS continuous power driven into 4 ohms from 20 to 250 Hz with less than 0.4% T otal Harmonic Distortion @ 14.4 VDC RMS continuous power driven into 2 ohms from 20 to 250Hz with less than 0.6% T otal Harmonic Distortion @ 14.4 VDC Dynamic power rating (IHF-202 Standard) at minimum load 150 watts [...]

  • Page 12

    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 available. The recipient of more than 20 patents in the field of advanced electronic technology , Directed is ISO 9001 r[...]