Manuale d’uso / di manutenzione del prodotto m201 del fabbricante 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.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Grace Design m201 è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Grace Design m201 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Grace Design m201 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Grace Design m201 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Grace Design m201, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Grace Design m201.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Grace Design m201. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Grace Design m201 insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
