Atlantic Technologyメーカー4.5 PBMの使用説明書/サービス説明書
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Model 4.5 PBM High Performance Powered Subwoofer Instr uction Manual A tlantic T echnology ® I NNOVATIVE H OME T HEATER 343 V anderbilt A venue Nor wood, MA 02062 (781) 762-6300 www .
2 Model 4.5 PBM M ODEL 4.5 PBM High Per formance Powered Subwoofer Congratulations on your purchase of an Atlantic T echnology 4.5 PBM power ed subwoofer . W ith proper care, your new subwoofer will provide many years of trouble-free, high quality bass reproduction.
3 A tlantic T echnology ® ● A useful working frequency range from 30 Hz to 150Hz. ● A Dual Diversity Crossover TM (DDC) system with an adjustable (50 Hz to 150 Hz) 12 dB per octave low-pass crossover , and a fixed 24 dB per octave “voice filter” at 180 Hz.
4 Model 4.5 PBM Figure 1: Amplifier panel and controls for Model 4.5 PBM Connecting Y our Subwoofer The Atlantic T echnology 4.5M Powered Subwoofer is simple to hook up, offering several connection methods for maximum flexibility . Study the system diagrams starting on page 6.
5 A tlantic T echnology ® Low-Level Connection If you choose to use the low-level (RCA jacks), simply connect your subwoofer with high quality shielded cables as shown in the diagrams. Use the diagram that best suits your connection requirements. Please see the Important Note on the previous page for connection recommendations.
6 Model 4.5 PBM Example 1: Subwoofer Line Out/ Low Level In Before using this connection method, please see the Important Note on page 4. Example 2: Preamp Line Out/Low Level In for 1 Subwoofer This arrangement is for owners of stereo receivers/ amplifiers with Preamp outputs.
7 A tlantic T echnology ® Example 3: Preamp Line Out/Low Level In for 2 Subwoofers Note that the L/MONO input is used on both sub- woofers. Instead of Y -adapters, you may also use the THRU outputs to connect back to the Main Inputs as shown in Option 2 of Example 2.
8 Model 4.5 PBM Example 5: Speaker Out/ High Level In for 2 Subwoofers This is the recommended method for connecting the 4.5 PBM to a discrete 5.1 channel. Please the the Important Note on page 4. Y ou can also use the speaker level THRU outputs. Note that the L/MONO High Level input is used on both left and right subwoofers.
9 A tlantic T echnology ® Figure 3: T ypical arrange- ment for a single subwoofer in a home theater . Start here Less Bass More Bass wall and especially a corner , the more bass response you will hear .
10 Model 4.5 PBM Using the Subwoofer Lo-Pass Control Start with the Lo-pass control of the 4.5 PBM set at the middle. Play some music with a range of bass notes from low to high. If the bass in the transition region between the subwoofer and satellite speakers is thin sounding, increase the Lo-pass setting by turning the knob clockwise.
11 A tlantic T echnology ® The 4.5 PBM has an elegant Gloss Black top panel. Special adhesive tape has been employed that is designed to hold the top firmly to the cabinet, yet allow release without damage. Should you wish, you may remove the gloss top by carefully pulling it up and away from the enclosure.
12 Model 4.5 PBM The lightning flash with arrowhead, within an equilateral triangle, is intended to alert the user to the presence of uninsulated “dangerous voltage” within the product’ s enclosure that may be of sufficient magnitude to constitute a risk of electrical shock to persons.
デバイスAtlantic Technology 4.5 PBM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：
Atlantic Technology 4.5 PBM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Atlantic Technology 4.5 PBM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。Atlantic Technology 4.5 PBM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。Atlantic Technology 4.5 PBM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。
Atlantic Technology 4.5 PBM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Atlantic Technology 4.5 PBM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、Atlantic Technology 4.5 PBM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Atlantic Technology 4.5 PBM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。
