Grace Designメーカーm201の使用説明書/サービス説明書
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Owner ’ s Manual Rev G All conten ts ©2012 Grace Design m 2 01 Microphone Pr eamplier / ADC 4689 Ute Highway , Lyons, C O 80540 USA tel 1.303.823.
grace design m 201 owner’ s manual 2 W elcome Thank you f or purchasing the Grac e Design m201 microphone pr eamplier . W ith the combina tion of unmatched sonic performance, useful fea tures, and solid r eliability , the m201 is a po werful recording tool designed to help y ou make the best recor dings of your car eer .
grace design m 201 owner’ s manual 3 Important Safety Information GENERAL • Indoor use only • Ordinary Protection: T his equipment should not be exposed to dripping or splasing . • Av oid placing objects filled with liquids, such as vases or glasses, on this equipmen t.
M+S WIDTH 1 0 0m 70 m 30s 30m 70s 50m 50s GRACE DESIGN USA m 201 microphone preamplifier HI-Z 1 48V HI -Z 130 V rib bon ( +10d B ) 20 30 40 50 60 INPUT MODE + 48V - 20dB HI-Z 2 48V HI -Z 130 V rib bon ( +10d B ) 20 30 40 50 60 INPUT MODE + 48V - 20dB 1 2 7 6 5 4 3 8 9 grace design m 201 owner’ s manual 4 F ront Panel Controls 1.
120Vac PUSH PUSH PUSH 1 3 2 4 PUSH 1 3 2 4 PUSH PUSH WC S/PDIF LINE IN TOSLINK AES 2 OUT IN AES 1 R IGHT LE F T M+S O U T 130 V MIC IN 1 2 MIC IN OU T OU T MIC IN OU T OU T GRACE DES IGN USA m 0 1 2 mic roph one preamp lifier 1 2 Pb LEAD F REE RoHS COMPLIE NT 1 2 3 4 5 6 grace design m 201 owner’ s manual 5 Rear P anel Connections 1.
grace design m 201 owner’ s manual 6 A udio Connections Microphone input connections are made via female XLR connectors with pin 2 positiv e, pin 3 nega - tive and pin 1 gr ound. 48V phant om power is supplied on pins 2 and 3. Output connections are made via male XLR connectors with pin 2 positive, pin 3 nega tive and pin 1 gr ound.
grace design m 201 owner’ s manual 7 60Hz. Fr om the rear of the m201, open the trap door next to the IEC pow er inlet with a small screw - driver . Carefully pull the voltage select cam straight out and then insert with the desired voltage showing.
grace design m 201 owner’ s manual 8 option is present, this selection will deactivate the standard XLR inputs and enable the dedicat ed 4 pin 130V XLR inputs. In this mode, the 48V pushbutton swit ch will turn on the 130V power supply . Phase rev erse and -20dB pad are av ailable in this mode.
grace design m 201 owner’ s manual 9 1 and 2 outputs while also recor ding (or monitoring) the stereo c omposite from the M-S LEFT and RIGHT outputs.
grace design m 201 owner’ s manual 10 Simply push the button to select the input source y ou require . FS SELECT The m201 A/D converter can operate at sampling ra tes of 44.
grace design m 201 owner’ s manual 11 F our standard sensitivities are supported in the m201 A/D converter: +18dBu = 0dBFS (14dB Head - room) +20dBu = 0dBFS (16dB Headroom) +22dBu = 0dBFS (18dB Headr oom) +24dBu = 0dBFS (20dB Headroom).
grace design m 201 owner’ s manual 12 <figure 3 - A/D sensitivity trim pot locations> 8 4 C -15 V A U9 C40 P4 N G I S E D E C A R G C42 7 4 C 5 4 C 7 3 R 2 4 R C46 +6 .
grace design m 201 owner’ s manual 13 2. Set all of the gain contr ols to the 30dB position. 3. C onnec t the audio genera tor to the input of channel 1. 4. Set the generat or output level t o appro ximately -20dBu @1KHz. 5. If the generat or has an unbalanced output, refer to gur e 2 below for termina tion information 6.
grace design m 201 owner’ s manual 14 <figure 4 - offset test point and peak LED adjust trim pots> C17 TP5 TP6 C51 C12 R40A C36A C53 R40B C36B J4B P1 CHAN NE L 1 P7 R17B R18B CHAN NE L 2 C13B .
grace design m 201 owner’ s manual 15 CLEANING Y our m201 preamplier chassis is constructed out of high quality stainless steel. Under normal cir - cumstances, virtually no maintenance is requir ed to keep the unit look ing shin y and new .
grace design m 201 owner’ s manual 16 Specifications preamplier specications (without A/D con verter) Fr equency Response @ 40dB gain ± 0.2dB (50Ω source) 18Hz-65kHz @ 40dB gain ± 3dB (50Ω source) 4.5Hz-350kHz THD+N @ 20dB gain +25dBu out, 1kHz <.
grace design m 201 owner’ s manual 17 A/D module specications (line input) Dynamic range 20Hz-20kHz >115dB “ A” weighting >117dB THD+N 1kHz, -1dBFS, 20Hz-22kH z < 0.00026% (-112dB) Fr equency response +/-0.2dB -3dB 44.1kHz Fs 5Hz-21kHz 22kHz 48kHz Fs 5Hz-23kHz 24kHz 88.
grace design m 201 owner’ s manual 18 AES3 1 INPUTS OPTI ONAL ANALOG TO DI G ITAL CONVERTER MOD ULE 2-CH SPDIF CH 1 OUT A 6-CHANNEL ANA L OG OUTPU TS CH1 MIC TOSLINK LOOP SYNC IN WORD CLOCK CLOCK OU.
grace design m 201 owner’ s manual 19 W arranty Infor mation Grace Design warrants all of our pr oduc ts to be fr ee of defective par ts and workmanship for a period of ve years . This warranty period begins at the original dat e of purchase and is transf erable to any person who may subsequently purchase the pr oduc t during this time.
grace design m 201 owner’ s manual 20 Revision Page C hange Date Initials A Initial release 04/25/2007 mbg B 3 Changed voltage range and pow er specications 04/26/2007 mbg B 4 Po wer switch description changed to standby switch.
デバイスGrace Design m201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:
Grace Design m201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Grace Design m201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。Grace Design m201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。Grace Design m201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。
Grace Design m201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Grace Design m201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、Grace Design m201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Grace Design m201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。