Instruction/ maintenance manual of the product 250/4 Directed Audio
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models 200/2 300/2 250/4.
2 © 2003 Directed Electronics, Inc T ABLE OF CONTENTS CONGRA TULA TIONS Congratulations for choosing a Directed Audio power amplifier from Directed Electronics, the industry leader in high quality automotive security and audio equipment since 1990.
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. H H i i g g h h L L e e v v e e l l I I n n p p u u t t C C o o n n n n e e c c t t o o r r - Accepts 1v to 10v input from the headunit’ s speaker output. 2. 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 the input signal to a second amplifier .
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 F F u u s s e e - - This fuse protects the amplifier against internal electrical damage and is meant to protect the amplifier only .
9 © 2003 Directed Electronics, Inc REM GND BAT T 20A FUSE SPEAKER OUTPUT LR BRIDGED FIGURE 2—AMPLIFIER CONNECTIONS 200/2 300/2 REAR 1 2 4 3 5 REM GND BAT T 25A FUSE LR BRIDGED SPEAKER OUTPUT FRONT .
10 © 2003 Directed Electronics, Inc SPEAKER WIRING DIAGRAMS 200/2 300/2 Stereo operation (top view) Mono operation (top view) Simultaneous stereo/mono operation (top view).
11 © 2003 Directed Electronics, Inc SPEAKER WIRING DIAGRAMS 250/4 Simultaneous stereo/mono operation (top view) N N O O T T E E : : For bridged two channel operation as shown in this diagram, connect right channel RCA cables to the front inputs of the amplifier , and left channel RCA cables to the rear inputs of the amplifier .
12 © 2003 Directed Electronics, Inc CROSSOVER SETTINGS AND GAIN ADJUSTMENT Y our Directed Audio power amplifier needs to be adjusted carefully to achieve maximum performance.
13 © 2003 Directed Electronics, Inc SPECIFICA TIONS Directed model 200/2 300/2 250/4 RMS continuous power per channel , both chan- nels driven into 4 ohms from 20 to 20,000 Hz, with less than 0.08% T otal Harmonic Distor tion @ 14.4 VDC RMS continuous power per channel , both chan- nels driven into 2 ohms from 20 to 20,000 Hz, with less than 0.
16 © 2003 Directed Electronics, Inc 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 250/4 (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 250/4 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 250/4 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Directed Audio 250/4 you will learn all the available features of the product, as well as information on its operation. The information that you get Directed Audio 250/4 will certainly help you make a decision on the purchase.
If you already are a holder of Directed Audio 250/4, 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 250/4.
However, one of the most important roles played by the user manual is to help in solving problems with Directed Audio 250/4. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Directed Audio 250/4 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
