TapcoメーカーT-231の使用説明書/サービス説明書
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LEVEL LEVEL 1 2 +17 0 -12 +12 +12 -12 +17 0 0 CLIP RANGE 6 dB 12 dB HI - PASS LOW - PASS 40Hz 16kHz CLIP 6 dB 12 dB 40Hz 16kHz BYPASS RANGE HI - PASS LOW - PASS BYPASS POWER ON OFF DUAL 31 - BAND GRAPHIC EQUALIZER 20 31.5 50 100 200 500 1.25k 2.5k 6.3k 12.
2 SAFETY INSTRUCTIONS 1. Read Instructions — All the safety and operation instructions should be read before this product is operated. 2. Retain Instructions — The safety and operating instructions should be kept for future reference. 3. Heed W ar nings — All warnings on this product and in these operating instructions should be followed.
Part No. 0009427 Rev. A 1/04 ©2004 LOUD T echnologies Inc. All Rights Reserved. 3 What me, read a manual? Before you begin, please make sure you read the Safety Instructions on page 2 and Getting Started on page 4. Y our new T APCO ® T • 231 is designed to set up quickly and operate easily.
4 Getting Started The following steps will help you set up your T • 231, and get the levels just right. SETTINGS: 1. Be sure the T • 231 ’ s POWER switch is off. 2. Set all the sliders to their center positions and all the switches out. CONNECTIONS: 1.
5 Don ’ t forget to visit our website at www.tapcogear .com for more infor mation about this and other T APCO products. Safety Instructions ................................................................ 2 Getting Started ..........................
6 Introduction Thank you for choosing a T APCO ® Tweeq ™ 31-band graphic equalizer by Mackie ® . The T APCO product line hails back to the days of T APCO Corporation, Greg Mackie ’ s fi rst company.
7 However , often times a per fectly fl at frequency response is not what you want in a live sound application. For example, if the low-frequency response of the loudspeakers only extends to 50 Hz, there is no need to amplify the frequencies in the lowest octave of the audio frequency range, 20 Hz to 40 Hz.
8 Hookup Diagrams Typical Hookup: In-line with Main Outputs WARNING: TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE. DO NO T REMOVE COVER. NO USER SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED PERSONNEL.
9 T • 231 Features 5. BYP ASS This button effectively disables the EQ circuits. Y ou can use this button to compare the EQ ’ d signal to the unprocessed signal. When the BYP ASS button is pushed in, the LED below the BYP ASS button lights. 6. CLIP This LED lights when the output signal is within 5 dB of clipping.
10 REAR P ANEL FEA TURES 9. Line Cord Soc k et and Fuse Here is where you connect the detachable line cord that came in the box with your T • 231. Plug the other end of the line cord into an AC outlet properly con fi gured with the voltage required for your particular model (see AC Select Switch next).
11 GENERAL PREC A UTIONS AND CONSIDERA TIONS Rack Mounting The T • 231 is designed to be mounted in a standard rack. It requires two rack spaces (2U = 3.5 ” ). It also requires 7.5 ” depth inside the rack, not counting the rear connectors. When designing your rack, put the heavier items at the bottom and the lighter items toward the top.
12 Appendix A: Service Infor mation W arranty Ser vice Details concerning Warranty Service are spelled out in the W arranty section on page 19. If you think your T • 231 has a problem, please do everything you can to con fi r m it before calling for service.
13 5. Include a legible note stating your name, shipping address (no P .O. boxes), daytime phone number , RA number , and a detailed description of the problem, including how we can duplicate it. 6. Write the RA number in BIG PRINT on top of the box. Units sent to us without the RA number will be refused.
14 Appendix B: Connections 1/4" TS Phone Plugs and Jac ks “ TS ” stands for Tip-Sleeve, the two connection points available on a mono 1/4" phone jack or plug.
15 Appendix C: T echnical Info T • 231 Speci fi cations Frequency Response 20 Hz to 20 kHz (+0, – 1 dB) 20 Hz to 50 kHz (+0, – 3 dB) Audio Input Type: Active balanced XLR and 1/4" jacks Un.
16 T • 231 Block Diagram This outlines the signal fl ow inside the T • 231. BALANCED LINE INPUT (TRS) UNBALANCED LINE INPUT (RCA) BALANCED LINE INPUT (XLR-F) 1 2 3 CHANNEL 1 LEVEL GRAPHIC EQ FIL .
17 LEVEL LEVEL 1 2 +17 0 -12 +12 +12 -12 +17 0 CLIP RANGE 6 dB 12 dB HI - PASS LOW - PASS 40Hz 16kHz CLIP 6 dB 12 dB 40Hz 16kHz BYPASS RANGE HI - PASS LOW - PASS BYPASS POWER ON OFF DUAL 31 - BAND GRAPHIC EQUALIZER 20 31.5 50 100 200 500 1.25k 2.5k 6.
18 Frequenc y Char t This chart shows the frequency range covered by various instruments and voices. CDEFGABCDEFGABCDEFGABCDEFGABCDEFGABCDEFGABCDEFGABCDEFGABCDEFGABC VOCAL 25 31 40 50 62 80 100 125 160 200 250 320 400 500 640 800 1K 1.3K 1.6K 2K 2 .5 K 3.
19 T APCO LIMITED W ARRANTY A. LOUD T echnologies Inc. warrants all materials, workmanship and proper operation of this T APCO product for a period of one year from the original date of purchase.
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デバイスTapco T-231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:
Tapco T-231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Tapco T-231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。Tapco T-231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。Tapco T-231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。
Tapco T-231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Tapco T-231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、Tapco T-231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Tapco T-231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。