SamsonメーカーMDR8の使用説明書/サービス説明書
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MDR Series Mixers EIGHT CHANNEL MIXER WITH 24BIT DIGIT AL EFFECTS AND HARD DISK MODE.
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T able of Contents Introduction 2 MDR8 Features 3 Front and Rear P anel Lay out 4 Front and Rear P anel Controls 5 Controls and Functions Mono Input Channel Section 6–7 Master Section 8–9 MDR8 Inp.
2 Congratulations on your purchase of the Samson MDR8 mixer! The MDR8 is an eight channel mixer, with six low noise microphone pre-amps, and built-in 24 BIT DSP effects processor.
3 MDR8 F eatures The Samson MDR8, eight channel mixer with onboard 24 BIT DSP is a comprehensive, all-in-one solution for live sound, recording, fixed installation and post production applications. Here are some of its main features: • Eight Channels – Four Mic/Line plus two Stereo inputs with mic pre’s.
4 F ront and Rear P anel La yout.
5 FRONT PANEL 1 MIC/LINE – Combination Input connector for Low-Noise Microphone pre-amp and Line level inputs. 2 GAIN – Used to set the input level of the mic pre and line input. 3 CLIP – Red LED will illuminate indicating when the mic GAIN has been adjusted too high.
6 Controls and Functions MONO INPUT CHANNEL SECTION The following section details each part of the MDR8’s MONO INPUT CHANNELS including the GAIN control, 3- BAND EQ, AUX sends, RECORD, PAN and LEVEL controls.
BALANCE (Stereo Inputs Only) The MDR8’s BALANCE control is used to place or position the stereo signal into the main Left and Right MIX bus. You can move a stereo signal’s image to the left or right by setting the BALANCE control to the left or to the right.
24 BIT DIGIT AL EFFECT SECTION The MDR8 features a built-in, 24 Bit Digital Effects proces- sor with high quality, studio grade effects such as Delay, Chorus and Reverb.
9 Controls and Functions MASTER SECTION (continued) Auxiliary Returns The MDR8 has two stereo auxiliary returns, which can be accessed via the two pairs of 1/4-inch phone jacks located on the rear panel.
10 Line Level Input - Mono Input Channels Use these inputs to connect line level signal from synthesizers, drum machines, effects processors or any line-level signal. The LINE inputs have a nominal operating level of -40dB through - 10dB. TRS phone jacks (located in the center of the combie connector).
11 AUX 1 RETURN LEFT/RIGHT The AUX 1 RETURN LEFT/RIGHT are stereo inputs that are generally used to connect the outputs of an effects processor, but can also accept the sig- nal from any line level source like a keyboard, recorder and even another mixer.
Operating the MDR8 12 BASIC OPERATION The following section explains the basic operation of the MDR8. CONNECTING MICROPHONES AND INSTRUMENTS 1. Before connecting mics or instruments, make sure that the power of all your sys- tems components including the MDR8 is turned off.
Operating the MDR8 13 USING THE DIGITAL EFFECTS The MDR8 features a built-in, high quality, 24 BIT Digital Signal Processor offering studio grade effects. The DSP features clean Delay, lush Reverbs and multi-effects such as Chorus + Delay or Chorus + Reverb.
14 Operating the MDR8 USING AN EXTERNAL EFFECT If you prefer to use an external device for effects process- ing, you can easily connect the unit using the MDR8 EFX bus disconnecting the internal DSP. Follow the simple steps below to interface your processor: 1.
15 Using The HDM (HARD DISK MODE) The MDR8 includes an exclusive HDM (HARD DISK MODE) that has been designed to interface with computer based hard disk recorders. Never before have such flexible routing and monitoring been included in such a small mixer.
16 Operating the MDR8 Using The HDM (HARD DISK MODE) Continued 3. Engage the HDM switch in the Master Section. The input channel’s REC LED will light dimly indicating the channel can be assigned to the RECORD bus. 4. Press the RECORD switch on the MDR8’s channel 7/8.
17 MDR8 Sy stem Set-Ups This system shows the MDR8 connected to a pair of powered speakers lik e the SAMSON Expedition EX20. The MONITOR OUT is connected to an exter- nal power amp , which is driving 2 monitor speak- ers.
18 MDR8 Sy stem Set-Ups This system shows the MDR8 in a recording set up with the LEFT and RIGHT C ONTROL R OOM output hooked up to powered studio monitors and the A UX 1/ Mon feed head- phone mix sent to a Samson S phone headphone amp.
19 MDR8 Wiring Guide Unbalanced 1/4” Connector XLR Balanced Wiring Guide CONNECTING THE MDR8 The are several ways to interface the MDR8 to support a variety of applications. The MDR8 features balanced inputs and outputs, so connecting balanced and unbalanced signals is possible.
20 MDR8 Specifications Frequency Response (Trim @ Min, unity gain ± 3 dB) Mic to Main 5 Hz - 54 kHz Line to Main 5 Hz - 54 kHz Aux Return to Main 5 Hz - 98 kHz Line to Aux Send 5 Hz - 57 kHz T.H.D. (Trim @ Min, +4dBu output, unity gain, 1 kHz w/30 kHz LPF) Mic/Line to Main (Mono Ch) 0.
21 Block Diagram.
Samson T echnologies Corp. 575 Underhill Blvd. P .O. Box 9031 Syosset, NY 1 1791-9031 Phone: 1-800-3-SAMSON (1-800-372-6766) Fax: 516-364-3888 www .samsontech.
デバイスSamson MDR8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:
Samson MDR8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Samson MDR8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。Samson MDR8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。Samson MDR8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。
Samson MDR8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Samson MDR8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、Samson MDR8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Samson MDR8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。