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Directed Electronics 550.6 - page 1
model 550.6 ...
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Directed Electronics 550.6 - page 2
2 © 2002 Directed Electronics, Inc ...
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Directed Electronics 550.6 - page 3
3 © 2002 Directed Electronics, Inc T ABLE OF CONTENTS CONGRA TULA TIONS Congratulations for choosing a Viper Audio power amplifier from Directed Electronics, the industr y leader in high quality automotive security and audio equipment since 1990. With the introduction of Viper Audio power amplifiers, Directed Electronics continues to set new stand ...
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Directed Electronics 550.6 - page 4
LIMITED TWO-YEAR CONSUMER W ARRANTY 4 © 2002 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 ...
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Directed Electronics 550.6 - page 5
5 © 2002 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 ...
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Directed Electronics 550.6 - page 6
6 © 2002 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 ...
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Directed Electronics 550.6 - page 7
7 © 2002 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); ...
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Directed Electronics 550.6 - page 8
8 © 2002 Directed Electronics, Inc 1. 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. 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 a signal to a second amplifier . It is the s ...
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Directed Electronics 550.6 - page 9
9 © 2002 Directed Electronics, Inc FIGURE 2—AMPLIFIER CONNECTIONS 550.6 REAR 2 1 4 3 5 1. R R e e m m o o t t e e T T u u r r n n O O n n - This terminal turns on the amplifier when (+) 12 volt is applied to it. Connect it to the remote turn on lead of the head unit or signal source. If a (+) 12 volt remote turn on lead is not available, the Rem ...
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Directed Electronics 550.6 - page 10
10 © 2002 Directed Electronics, Inc TOP P ANEL CONTROLS FIGURE 3—AMPLIFIER CONTROLS TOP 6 1. I I n n p p u u t t G G a a i i n n A A d d j j u u s s t t m m e e n n t t - Controls amplifier sensitivity and is used to match the input level of the amplifier to the output level of the signal source. 2. C C r r o o s s s s o o v v e e r r S S e e l ...
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Directed Electronics 550.6 - page 11
11 © 2002 Directed Electronics, Inc Control Panel Cover The amplifier’ s gain and filter controls are mounted under the elliptical control panel cover . Magnets hold the cover snugly and allow easy access. T T o o i i n n s s t t a a l l l l t t h h e e c c o o v v e e r r - Place the straight end of the control panel cover into the notched ...
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Directed Electronics 550.6 - page 12
SPEAKER WIRING DIAGRAMS 12 © 2002 Directed Electronics, Inc Stereo operation (bottom view) Bridged operation (bottom view) Three Channel Four Channel Stereo with Mono Sub Six Channel Stereo N N O O T T E E : : When wiring the 550.6 for three channel operation, connect the left audio signal to both channels one and two RCA jacks and the right audio ...
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Directed Electronics 550.6 - page 13
13 © 2002 Directed Electronics, Inc T ri amp operation (bottom view) Stereo/mono operation (bottom view) ...
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Directed Electronics 550.6 - page 14
CROSSOVER SETTINGS AND GAIN ADJUSTMENT 14 © 2002 Directed Electronics, Inc Y our Viper 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 should be ...
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Directed Electronics 550.6 - page 15
SPECIFICA TIONS 15 © 2002 Directed Electronics, Inc RMS continuous power per channel, Channels 1-4 driven into 4 ohms from 20 to 20,000 Hz, with less than 0.08% total Harmonic Distortion @ 14.4 VDC. Channel 5-6 driven into 4 ohms from 20-250 Hz, with less than 0.08% THD @ 14.4 VDC. RMS continuous power per channel, Channels 1-4 driven into 2 ohms ...
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Directed Electronics 550.6 - page 16
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 900 1 ...
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