AshlyメーカーDPX-200の使用説明書/サービス説明書
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DPX-200 Parametric Equalizer Compr essor/Limiter Operating Manual ASHL Y AUDIO INC. 847 Holt Road W ebster , NY 14580-9103 Phone: (585) 872-0010 T oll-Free: (800) 828-6308 Fax: (585) 872-0739 Internet: www .ashly .com dB ∞ +20 +15 +10 +6 +3 0 -3 -6 -10 -20 - .
2 Operating Manual - DPX-200 P arametric Equalizer - Compr essor/Limiter T able Of Contents 1 INTR ODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2 UNP A CKING . . . . . . . . .
3 Operating Manual - DPX-200 P arametric Equalizer - Compr essor/Limiter 1. INTRODUCTION The Ashly DPX-200 combines a four band para- metric equalizer and full function peak compressor/lim- iter in a single rack space product.
4 Operating Manual - DPX-200 P arametric Equalizer - Compr essor/Limiter 5. P ARAMETRIC EQU ALIZER CONTR OLS 5.1 Equalizer Input Select Switch The DPX-200 equalizer input is selectable be- tween line le v el or mic input, each with its own connec- tor .
5 Operating Manual - DPX-200 P arametric Equalizer - Compr essor/Limiter 5.5 P arametric Filters T wo 20Hz-20KHz parametric f ilters allo w cus- tom tailoring of EQ points, most useful for feedback con- trol, resonance compensation, or other types of frequency specif ic voicing.
6 Operating Manual - DPX-200 P arametric Equalizer - Compr essor/Limiter be noted that an inf inite ratio setting is likely to cause noticeable side ef fects in the sound, and ma y not be us- able on programs where subtle control is desired.
7 Operating Manual - DPX-200 P arametric Equalizer - Compr essor/Limiter The input meter takes its signal just after the gain con- trol, and will indicate input signal lev el regardless of out- put le vels or limiter settings.
8 Operating Manual - DPX-200 P arametric Equalizer - Compr essor/Limiter 8. TYPICAL APPLICA TIONS By itself, a parametric equalizer is useful for gen- eral tone control, feedback control, room r esonance cor- rection, indi vidual micr ophone v oicing, and man y other applications.
9 Operating Manual - DPX-200 P arametric Equalizer - Compr essor/Limiter a channel that ’ s being used for something important and use it to tailor the sound of this channel e xactly the way you want.
10 Operating Manual - DPX-200 P arametric Equalizer - Compr essor/Limiter Broadcasting Compression has long been used as a tool to make an audio signal appear louder . A good example is in broadcasting, where competing stations with identical transmit- ters and po wer attempt to sound louder than each other .
11 Operating Manual - DPX-200 P arametric Equalizer - Compr essor/Limiter singers whose own d ynamic control is less than perfect. A little compression helps to keep their quieter lines from becoming b uried in the mix. Exper imentation is highly recommended.
12 Operating Manual - DPX-200 P arametric Equalizer - Compr essor/Limiter The quietest portions of the original signal will be effec- tively incr eased in volume while the loudest portions of the original signal will be decreased. In effe ct, both ends of the dynamic spectrum will be pushed toward the “middle”.
13 Operating Manual - DPX-200 P arametric Equalizer - Compr essor/Limiter FET will only act as a pure resistor with ve ry small sig- nals applied so it is necessary to attenuate an input signal before the gain control FET and then amplify it ag ain.
14 Operating Manual - DPX-200 P arametric Equalizer - Compr essor/Limiter 10. BLOCK DIA GRAM 11. Equalizer T roubleshooting T ips No A udio Output Check A C po wer - is the pilot light on? Check in/ou.
15 Operating Manual - DPX-200 P arametric Equalizer - Compr essor/Limiter When Using Heavy Compr ession, Background Noise Is Noticeable During Quiet Sections Of The Pr ogram As def ined in the section on compression, quiet program material is effecti v ely made louder while loud peaks are made quieter .
16 Operating Manual - DPX-200 P arametric Equalizer - Compr essor/Limiter 14. DIMENSIONS 0. 10" 6. 00" 17.00" 1. 25" 1. 75" 1. 25" 18.375" SPECIFICA TIONS (continued): Compressor/Limiter Gain: . . . . . . . . . . . .
17 Operating Manual - DPX-200 P arametric Equalizer - Compr essor/Limiter 15. SCHEMA TICS 1 2 3 4 5 6 7 8 A B C D E F 8 7 6 5 4 3 2 1 F E D C B A APPR O VED: Dw g # Siz e Draw n By Print Date Re v. C S: Engin e eri ng C LI ENT 985 75 11 0s 57 51 c- 1.
18 Operating Manual - DPX-200 P arametric Equalizer - Compr essor/Limiter 1 2 3 4 5 6 78 A B C D E 8 7 6 5 4 3 2 1 E D C B A B APPROVED: Dw g # Size Drawn B y Rev.
19 Operating Manual - DPX-200 P arametric Equalizer - Compr essor/Limiter 123456 78 A B C D E 8 7 6 5 4 3 2 1 E D C B A B APPROVED: Dw g # Size Drawn B y Rev.
Printed in USA 0902 DPX200 -0 Oper ating Manual - DPX-200 P arametric Equalizer - Compr essor/Limiter ASHL Y AUDIO INC. 847 Holt Road W ebster , NY 14580-9103 Phone: (585) 872-0010 Fax: (585) 872-0739 T oll Free (800) 828-6308 Internet: www .ashly .com 2002 by Ashly Audio Corporation.
デバイスAshly DPX-200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：
Ashly DPX-200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Ashly DPX-200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。Ashly DPX-200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。Ashly DPX-200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。
Ashly DPX-200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Ashly DPX-200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、Ashly DPX-200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Ashly DPX-200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。
