Instruction/ maintenance manual of the product m201 Grace Design
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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.
An important point after buying a device Grace Design m201 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Grace Design m201 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Grace Design m201 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Grace Design m201 you will learn all the available features of the product, as well as information on its operation. The information that you get Grace Design m201 will certainly help you make a decision on the purchase.
If you already are a holder of Grace Design m201, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Grace Design m201.
However, one of the most important roles played by the user manual is to help in solving problems with Grace Design m201. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Grace Design m201 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
