SamsonメーカーMDR1248の使用説明書/サービス説明書
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MDR Series Mixers TWEL VE AND SIXTEEN CHANNEL MIXER WITH 24-bit DSP EFFECTS .
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Copyright 2006, Samson T echnologies Corp . Printed September , 2006 v1.1 Samson T echnologies Corp. 45 Gilpin Av enue Hauppauge, New Y ork 11788-8816 Phone: 1-800-3-SAMSON (1-800-372-6766) F ax: 631-784-2201 www.
T able of C onten ts M D R 1 2 4 8 a n d M D R 1 6 8 8 F e a t u r e s .................................... 3 F r o n t P a n e l L a y o u t ................................................... 4 F r o n t a n d R e a r P a n e l L a y o u t .........
2 Congra tulations on your pur chase of the Samson MDR1248 or MDR1688 mixer! The MDR1248 and MDR1688 are gr eat sounding mixers with a lot of inputs, flexible r outing and stunning on-board digi- tal effects.
3 MDR1248 and MDR1688 F eatures The Samson MDR1248 and MDR1688, twelve and sixteen channel mixers are a c omprehensive , all-in- one solution for liv e sound, rec ording , fixed instal- lation and post production applications.
4 4 3 8 3 7 3 9 2 1 4 0 4 1 4 2 4 3 4 4 4 5 4 6 4 7 4 8 5 0 5 1 5 2 5 3 5 4 5 5 5 6 5 7 5 8 4 9 5 9 F ront P anel L ay out.
5 F ront P anel Con trols FRONT P ANEL 1 MIC IN – Input connector for Low-Noise Microphone pre-amp. 2 LINE IN –Input connector for Line level inputs. 3 INSERT – 1/4-inch TRS ( TIP/RING/SLEEVE) connector providing send and r eceive channel pat ch point for outboard effects.
6 F ront and Rear P anel L ay out o l FRONT P ANEL CONTROLS - c ontinued LEVEL control (35) to set the v olume. 42 POWER LED – Indicates the MDR1248 or MDR1688 is power ed up. 43 PHANTOM LED – Indicates that the 48 Volt P hantom P ower is on. 44 MAIN MIX – Routes the Left / Right MAIN MIX bus to the CONTROL ROOM / PHONES outputs .
7 C ontrols and F unc tions MONO INPUT CHANNEL SECTION The follo wing section details each par t of the MDR1248 and MDR1688’ s MONO INPUT CHANNELS including the GAIN control , L OW CUT switch, 3-BAND EQ, A UX sends, PEAK LED , P AN, SOL O , AL T 3/4 bus and LE VEL controls .
8 MONO INPUT CHANNEL SECTION - continued Auxiliary Busses ( 4 - 6 ) The MDR series include two auxiliary signal paths, or buses, that can be used to cr eate independent mix es for sending to the internal or external effects processors , or to an external monitor system.
9 in any optional headphones plugged in to the PHONES connector located in the front panel jack field . If the AFL/PFL MODE switch, located in the master section, is switched out, the signal is sent pr e fader , so you can hear the signal regar dless of the position of the channel vol- ume F ader .
10 Right stereo mix field. Y ou can create a ster eo image by panning some input signals to the left and others to the right. 20 - 3/4 MUTE switch The Ster eo Input channels feature a 3/4 MUTE switch allowing you to easily turn that channel on or off .
11 MASTER SECTION 26 - 2 TRK LE VEL The 2TK LEVEL control knob is used to set the volume level of the sourc e connected to the 2-track input. If you want to mix in a CD , tape or MP3 player with your input channels connected to the 2TK inputs, use the 2TK LEVEL to adjust the level .
12 C ontrols and F unc tions DSP with 256 presets. The presets ar e organized in sixteen Pr ogram banks, each with sixteen variations . The V ariation control knob is used to select one of the sixteen variations for each of the sixteen DSP effect Pr ograms .
13 equalizer , compressor , noise gate, reverb and other audio devices. F or more information on the channel INSERT points, see the section, “Using the Channel Inser t Jacks” on page 17 of this manual.
14 mix. Y ou can also pan the channels hard left and right to cre- ate two mono buses. Keep in mind that using the 3/4 swit ch mutes the channel from the main mix, so use the AL T 3/4 bus for a separat e stereo , or t wo mono , zone mixes .
15 Operating the MDR1248 and MDR1688 BASIC OPERA TION The follo wing section explains the basic operation of the MDR1248 and MDR1688: C ONNECTING MICROPHONES AND INSTRUMENTS 1. Before connecting mics or instruments, make sur e that the power of all y our system's c omponents including the MDR1248 and MDR1688 is turned off .
16 USING THE DIGIT AL EFFECTS The MDR1248 and MDR1688 mixers f eature a built -in, high quality , 24-bit Multi Effect Pr ocessor , offering studio grade digital eff ects. The MDR’ s Effect sec tion featur es clean Delay , lush Reverbs and multi- effects like Chorus + Delay , Chorus Flange or Chorus + Reverb.
17 Operating the MDR1248 and MDR1688 SENDING AN INDEPENDENT MIX TO THE MONIT OR SPEAKERS The MDR1248 and MDR1688’ s AUX1 auxiliary send can be used to feed a separa te set of amplifiers and loudspeakers for stage monitors .
18 PLA YING BACK A CD USING 2T TO MIX The MDR1248 and MDR1688 has a dedicated input f or playing back a stereo devic e such as a CD , T ape or Mini Disk. Below is a description of how you can play back a CD , T ape or MD using the MDR1248 and MDR1688’ s 2 TRACK INPUT .
19 MDR1248 and MDR1688 S y stem Set-Ups This system shows the MDR1248 and MDR1688 connected to a pair of powered speak ers like the SAMSON dB300a’ s. The A UX SEND 1 output is connected , through a Samson D2500 digital EQ with feedback control, to an external power amp , which is driving 2 monitor speakers.
20 MDR1248 and MDR1688 S y stem Set-Ups This system shows the MDR1248 and MDR1688 in a recording set up with the LEFT and RIGHT C ONTROL ROOM output hooked up to pow ered studio monitors and the A UX 1 feed headphone mix sent to a Samson S phone head- phone amp.
21 21 MDR1248 and MDR1688 W iring G uide Unbalanced 1/4” Connector XLR Balanced Wiring Guide C ONNEC TING THE MDR1248 and MDR1688 The are sev eral ways t o interface the MDR1248 and MDR1688 to suppor t a variety of applications.
22 MDR1248 and MDR1688 Specifications Mono input channels Microphone input electronically balanced, discrete input c onfiguration Fr equency response 10Hz to 45kHz Distortion ( THD & N) 0.
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Samson T echnologies Corp. 45 Gilpin A venue Hauppauge, New Y ork 11788-8816 Phone: 1-800-3-SAMSON (1-800-372-6766) F ax: 631-784-2201 ww w .samsontech.
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Samson MDR1248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 MDR1248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 MDR1248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 MDR1248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 MDR1248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 MDR1248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 MDR1248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 MDR1248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。