MK SoundメーカーMX-90の使用説明書/サービス説明書
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Miller & Kreisel Sound Corporation 10391 Jefferson Boulevard Culver City, CA 90232 USA (310) 204-2854 FAX (310) 202-8782 © 1994 MILLER & KREISEL SOUND CORP.
page 2 powered subwoofers T ABLE OF CONTENTS 1. SAFETY INSTRUCTIONS.............................................................................3 2. INTRODUCTION..........................................................................................
pa ge 3 powered subwoofers 1. SAFETY INSTRUCTIONS 1. READ INSTRUCTIONS - All safety and operating instructions should be read before this product is operated. 2. RETAIN INSTRUCTIONS - The safety and operating instructions should be retained for future reference.
page 4 powered subwoofers 2. INTRODUCTION Congratulations! You have just made perhaps the most exciting and dramatic addition that you could make to your audio or audio/video system. The new dimension of deep and powerful bass provided by your M&K Subwoofer will thrill and excite you.
pa ge 5 powered subwoofers Look at the back panel of the Subwoofer. You will see two RCA input jacks labelled "FROM PREAMP," and two sets of speaker wire input terminals labelled "FROM AMPLIFIER" and "TO SPEAKERS." You must choose to use either the speaker wire inputs or the RCA jack inputs .
page 6 powered subwoofers You now have two options for connecting your Satellite speakers. SA TELLITE SPEAKER WIRING OPTION 1 With this option, you connect the wiring for the Satellites directly to the Subwoofer. There is no performance advantage with this method, but it may require less speaker wire and be more convenient.
pa ge 7 powered subwoofers FIGURE 2 - SA TELLITE SPEAKER WIRING OPTION 1 (ALSO SHOWS USE OF THE V-125's HIGH-LEVEL HIGH-PASS FILTER) If your Amplifier has two sets of speaker outputs (e.g., A and B), you can connect the Satellites to one set and the Subwoofer to the other.
page 8 powered subwoofers Unless you have a V-125, a full-range signal (including deep bass) is fed to your Satellites. To roll off (filter) the signal fed to the Satellite speakers to achieve true biamplification, you must: 1. Have a separate amp and preamp OR a receiver or integrated amp that allows you to separate its amp and preamp stages.
pa ge 9 powered subwoofers the left Subwoofer and the right interconnect cable to the right Subwoofer. WIRING WITH THE LP-1S & VF-100 ELECTRONIC HIGH-P ASS FIL TERS The M&K LP-1S and VF-100 El.
page 10 powered subwoofers PLUGGING IN THE SUBWOOFER Once all the speaker wires or preamp interconnect cables are in place, you are ready to plug in the Subwoofer. Set the "BASS LEVEL" control to "MIN". Then plug the AC cord in. You should hear a thump from the Subwoofer.
pa ge 11 powered subwoofers Now listen to the same musical passage as you did earlier, concentrating on the mid-bass region. If you hear less bass, the original connections were correct. If you hear more bass, the new connections are correct. If you have two Subwoofers, perform one test for each Subwoofer.
page 12 powered subwoofers the "BASS LEVEL" control slightly higher. 8. FINE-TUNING SUBWOOFER PLACEMENT If you have the physical space in your room and the interest to experiment with the placement of your Subwoofer, you may be able to optimize its location and sound.
pa ge 13 powered subwoofers In some cases, however, you may prefer the subwoofer set to a higher playback level for video sources. This may occur when video sources (especially older films and some television) have very little deep bass present.
page 14 powered subwoofers . producing a "boomy" sound if it is located in a corner. Always try the subwoofer first in a corner. If it sounds "boomy," move it a few feet out of the corner.
pa ge 15 powered subwoofers c. Check the red LED on the Subwoofer's back panel. If the LED is not lit, check the AC fuse next to the LED. Unplug the Subwoofer before changing the fuse. See instructions on Page 15. If the element inside the fuse is broken, replace the fuse.
page 16 powered subwoofers probably coming from another component. Hum can also be caused by AC ground loops. If the Subwoofer is plugged into a separate AC outlet, try plugging it into the same outlet used for your amplifier or receiver, or reverse the polarity of its AC plug.
デバイスMK Sound MX-90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:
MK Sound MX-90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MK Sound MX-90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。MK Sound MX-90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。MK Sound MX-90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。
MK Sound MX-90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MK Sound MX-90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、MK Sound MX-90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MK Sound MX-90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。