Directed Audio A502 инструкция обслуживания

models A502 A404 OWNER’S MANUAL[...]

2 2 © 2004 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. Directed Audio power amplifiers continue to set new standards of perfor- mance, reliability , and [...]

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[...]

4 4 © 2004 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 sy[...]

5 5 © 2004 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 m[...]

6 6 © 2004 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)[...]

7 7 © 2004 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 7.5 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 the input signal to a second amplifi[...]

1. 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 . All other power connections should be fused at the source. The A502 uses 1-30A fuse, and the A404 uses 1-30A fuse. 2. ( ( + + ) ) 1 1 2 2 V V o o l l t t P P o o w w e e r r - Connect this termi[...]

9 9 1 2 3 4 5 FIGURE 3—AMPLIFIER CONNECTIONS A502 REAR © 2004 Directed Electronics, Inc 1 2 3 4 5 FIGURE 4—AMPLIFIER CONNECTIONS A404 REAR wire. DO NOT connect this terminal directly to the vehicle battery ground terminal or any other factory ground points. 5. S S p p e e a a k k e e r r T T e e r r m m i i n n a a l l s s - Connect the speake[...]

1 1 0 0 © 2004 Directed Electronics, Inc SPEAKER WIRING DIAGRAMS A502 L CH R CH B R I D G E D L CH R CH INDUCTOR CAP CAP SUB Stereo operation (top view) Mono operation (top view) Simultaneous stereo/mono operation (top view) B R I D G E D L CH R CH[...]

1 1 1 1 © 2004 Directed Electronics, Inc SPEAKER WIRING DIAGRAMS A404 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 . For summed subwoofer applications, connect RCA cables per the[...]

1 1 2 2 © 2004 Directed Electronics, Inc Simultaneous Stereo (top view) B R I D G E D L CH R CH INDUCTOR CAP CAP SUB B R I D G E D L CH R CH INDUCTOR CAP CAP SUB REAR FRONT Stereo Operation - 4 Channel (top view) B R I D G E D L CH R CH B R I D G E D L CH R CH FRONT (LEFT ) REAR (LEFT ) REAR (RIGHT ) FRONT (RIGHT )[...]

1 1 3 3 © 2004 Directed Electronics, Inc B R I D G E D L CH R CH B R I D G E D L CH R CH SUB REAR (LEFT ) REAR (RIGHT ) 2 Channel Stereo with Mono Sub (top view)[...]

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[...]

1 1 5 5 © 2004 Directed Electronics, Inc LED TUBE INST ALLA TION (OPTIONAL) This Directed Audio amplifier has been designed with a custom heat sink that can accommodate two (optional—not supplied) V ARAD LED tubes. 1. Before installing the LED tubes, remove and discard the mounting feet from the V ARAD LED tubes. 2. Slide each LED tube assembly [...]

1 1 6 6 © 2004 Directed Electronics, Inc CEA SPECIFICA TIONS A A 5 5 0 0 2 2 Power Output: 90 Watts RMS x 2 at 4 ohms and < 1% THD+N Signal to Noise Ratio: -70 dBA (reference 1 Watt into 4 ohms) Additional Power: 125 Watts RMS x 2 at 2 ohm and < 1% THD+N A A 4 4 0 0 4 4 Power Output: 45 Watts RMS x 4 at 4 ohms and < 1% THD+N Signal to Noi[...]

1 1 7 7 © 2004 Directed Electronics, Inc SPECIFICA TIONS A A 5 5 0 0 2 2 A A 4 4 0 0 4 4 RMS continuous Power 4 Ohm 1 75W x 2 35W x 4 RMS continuous Power 2 Ohm 2 125W x 2 50W x 4 RMS continuous Power Bridged 4 Ohm 3 250W x 1 100W x 2 Dynamic Power Rating (IHF-202 Standard) 4 Ohms 200W 300W Signal-to-Noise Ratio Greater than 90 dB Greater than 90 [...]

2 2 0 0 © 2004 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 avail- able. The recipient of more than 20 patents in the field of advanced el[...]