Directed Audioメーカー6550の使用説明書/サービス説明書
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model 6550.
2 © 2002 Directed Electronics, Inc.
3 © 2002 Directed Electronics, Inc T ABLE OF CONTENTS CONGRA TULA TIONS Congratulations for choosing a Directed Audio power amplifier from Directed Electronics, the industr y leader in high quality automotive security and audio equipment since 1990.
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 workm.
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.
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.
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.
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 .
9 © 2002 Directed Electronics, Inc REM GND BAT T 30A x 2 FUSE RR LL CH 1+2 CH 3+4 CH 5+6 BRIDGE R L L R SPEAKER OUTPUT FIGURE 2—AMPLIFIER CONNECTIONS 6550 REAR 1 4 2 5 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.
10 © 2002 Directed Electronics, Inc TOP P ANEL CONTROLS LPF HPF FLA T BASS EQ OFF ON FREQ FREQ FREQ 50Hz 50Hz 50Hz 500Hz 500Hz 500Hz LPF LPF HPF HPF F LAT F L AT 5+6 GAIN 1+2 3+4 5+ 6 INPUT INP UT 3+4 5+6 GAIN GAIN MIN MIN MIN MAX MAX MAX OFF OFF ON ON FIGURE 3—AMPLIFIER CONTROLS TOP 5 1.
SPEAKER WIRING DIAGRAMS 11 © 2002 Directed Electronics, Inc Control Panel Cover The gain and filter controls are located under a control panel cover on top of the amplifier . The control panel cover must be removed to gain access to the gain and filter controls.
12 © 2002 Directed Electronics, Inc T ri amp operation (top view) Bridged operation (top view) Three Channel N N O O T T E E : : When wiring the 6550 for three channel operation, connect the left audio signal to both channels one and two RCA jacks and the right audio signal to both channels three and four RCA jacks using RCA Y adapters.
13 © 2002 Directed Electronics, Inc CROSSOVER SETTINGS AND GAIN ADJUSTMENT Y our Directed Audio power amplifier needs to be adjusted carefully to achieve maximum performance.
SPECIFICA TIONS 14 © 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.
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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.
デバイスDirected Audio 6550の購入後に(又は購入する前であっても)重要なポイントは、説明書をよく読むことです。その単純な理由はいくつかあります:
Directed Audio 6550をまだ購入していないなら、この製品の基本情報を理解する良い機会です。まずは上にある説明書の最初のページをご覧ください。そこにはDirected Audio 6550の技術情報の概要が記載されているはずです。デバイスがあなたのニーズを満たすかどうかは、ここで確認しましょう。Directed Audio 6550の取扱説明書の次のページをよく読むことにより、製品の全機能やその取り扱いに関する情報を知ることができます。Directed Audio 6550で得られた情報は、きっとあなたの購入の決断を手助けしてくれることでしょう。
Directed Audio 6550を既にお持ちだが、まだ読んでいない場合は、上記の理由によりそれを行うべきです。そうすることにより機能を適切に使用しているか、又はDirected Audio 6550の不適切な取り扱いによりその寿命を短くする危険を犯していないかどうかを知ることができます。
ですが、ユーザガイドが果たす重要な役割の一つは、Directed Audio 6550に関する問題の解決を支援することです。そこにはほとんどの場合、トラブルシューティング、すなわちDirected Audio 6550デバイスで最もよく起こりうる故障・不良とそれらの対処法についてのアドバイスを見つけることができるはずです。たとえ問題を解決できなかった場合でも、説明書にはカスタマー・サービスセンター又は最寄りのサービスセンターへの問い合わせ先等、次の対処法についての指示があるはずです。