Instruction/ maintenance manual of the product 350d Directed Audio
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model 350d.
T ABLE OF CONTENTS CONGRA TULA TIONS 2 © 2003 Directed Electronics, Inc Limited T wo-Y ear Consumer W arranty . . . . . . . . . . . . . . . . . . . . . . . . .3 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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 workm.
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.
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.
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.
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.
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.
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.
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.
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.
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.
An important point after buying a device Directed Audio 350d (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 350d 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 350d - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Directed Audio 350d you will learn all the available features of the product, as well as information on its operation. The information that you get Directed Audio 350d will certainly help you make a decision on the purchase.
If you already are a holder of Directed Audio 350d, 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 350d.
However, one of the most important roles played by the user manual is to help in solving problems with Directed Audio 350d. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Directed Audio 350d 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
