AlesisメーカーPoint Sevenの使用説明書/サービス説明書
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POINT SEVEN* SHIELDED REFERENCE MONITOR REFEREilCE IUNilUAt lQt ==19.
POINT SEVEN- SHIELDED REFERENCE MONITOR RereneilcE Mnnuru. At-g.sits 1996.
Intloduction Thank you for purchasing the Alesis Point Seven Shielded Reference Monitors. To take full advantage of the Point seven's operation, and to enjoy long and trouble.
C€ DECI.ARATIOIU OF COilFORMTTY Alesis Corporation 3530 Holdrege Ave. Los Angeles, CA90016 USA Point Seven EN55013:1990 Class B EN55020:1988 sections 4.3, 5.4, 5.2, 7.0 & 8.0 are under consideration Sound Technology 17 Letchworth Point, Lechworth, Hertfordshire, SG6 1ND, England.
Contents About the Point Seven .........., Unpacking and lnspection Spcaker Installatlon ................. ......... tl Speaker Placement.... About Wire .
About the Point Seven- Chapter 1 CHAPTER 1 Aeour rHE Polur S=v=lu Unpacking and lnspection Your Point Sevens were packed carefully at the factory, and the shipping carton was designed to protect the speakers during shipping. Please retain this container in the highly unlikely event that you need to retum the Point Sevens for servicing.
Chapter 1 - About the Point Seven The frequency response of Alesis' ProPrietary tweeter is designed to be flat (t 2 dB] from itJ2kHz crossover frequency to 10kHz. At 10kHz the response drops smoothly to Z7kJl.lz, at which point it drops by -6d8. This is an optimal response for non- fatiguing, long term, high levef nearfield mixdowns.
About the Point Seven- Chapter 1 A Liltle History br the early days of recording, most recording studios used big monitor speakers almost exclusively. Unfortunately, they also required high powered amplifiers and expensive acoustic treatment (often poorly done) of.
Speaker lnstallation - Chapter 2 CIIAPTER 2 SpemER lnsrnl.r.nrroru Like any speaker system, your Point Sevens will work best when properly positioned in a suitable acoustic environment.
Chapter 2 - Speaker Installation This kind of speaker placement also couples acoustic energy from the speaker's cabinet more readily into the console's chassis. Both conditions should be reduced by placing the speakers on their o. wn standd acoustcally detached,frop, and slightly behind, the console as shown belort.
Speaker brstallation - Chapter 2 Alesis has designed the Point Sevens for vertical mounting. If, however, you need to keep their height profile as low as possible to minimize the recording engineer's visual obstructions, they may be mounted horizontally.
Chapter 2 - Speaker lnstallation Fnq 50Fh 100H2 Without port lvith pon Connections Professional grade 5-way gold-plated binding posts are provided for extemal wiring to the amplifier. This type of cormector can accommodate bare or tirmed wires, banana plugs and even spade lugs.
Speaker Installation - Chapter 2 Point Seven. Consult the manual of your power amplifier for specific information. Lr a properly-phased system, a positive input to the amplifier should result in a positive voltage on the red terminal, and push the driver forward.
Troubleshooting - Chapter 3 CHAPTER 3 TnouBLEsHoorrNG Troubleshooting lndex If you experience problems while using the Point Sevens, please use the following table to locate possible causes and solutions before contacting Alesis Technical Support for assistance.
Chapter 9 Troubleshooting Obtaining Repair Seruice Before contacting Alesis, check over all your connections, and make sure you've read the manual. Customers in the USA and Canada: If the problem persists, caII Alesis USA at 1-80G S-ALESIS and request the Technical Support deparknent.
Troubleshooting - Chapter 3 Sp=crFrcATlolus Drivers: 5.25" non-woven carbon fiber coned woofer, magnetically shielded 1" ferrofluid cooled silk dome tweeter, magnetically shielded Crossovet: 2.
ALESIS LIMITED WARR/INTY ALESIS CORPORATION C'ALESIS) warrants this product to be free of defects in material and workmanship for a period of ninety (90) days for parts ;nd labor from the date of original retail purchase. This warranty is enfbrceable only liy the original retail purchaser.
デバイスAlesis Point Seven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:
Alesis Point Seven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Alesis Point Seven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。Alesis Point Seven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。Alesis Point Seven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。
Alesis Point Seven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Alesis Point Seven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、Alesis Point Seven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Alesis Point Seven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。