Grace M201 Manuel d'utilisateur

owner’s manualall contents ©2007 Grace Design/ Lunatec LLCm201manual Rev Cmicrophone preamplifieroptional A/D converter module

grace design m201owner’s manual10A FS SELECT this switch is used to toggle through the available ADC sampling ratesB CLOCK SOURCE this switch is used

grace design m201owner’s manual11all the available sampling rates. Simply push the button to select the sampling rate you require. The

grace design m201owner’s manual12The front panel interface features a calibration mode that allows precise adjustment of the A/D sensitivity. To reca

<figure 3 - A/D sensitivity trim pot locations>84C-15VAU9C40P4C4274C54C73R24RC46+6.5VTP5 TP6+3.3V14R45C34R44RP5R3143R2VER631TA53RR38K2

grace design m201owner’s manual14MaintenanceThe model m201 was designed to be maintenance free for many years. It is highly unlikely

grace design m201owner’s manual15The input amplifiers in the m201 are ultra-precision laser trimmed devices which have a very low input offset. Howeve

grace design m201owner’s manual16<figure 4 - offset test point and peak LED adjust trim pots> 

grace design m201owner’s manual17SpecificationsA/D module specifications (line input)Dynamic range20Hz-20kHz >115dB“A” weighting >117dBTHD+N1kHz

grace design m201owner’s manual18AES3 1INPUTSOPTIONAL ANALOG TO DIGITAL CONVERTER MODULE2-CH SPDIFCH 1 OUT A6-CHANNELANALOG OUTPUTSCH1 MICTOSLINKLOOP

grace design m201owner’s manual19Warranty InformationGrace Design warrants all of our products to be free of defective parts and work-manship for a p

grace design m201owner’s manual2WelcomeThank you for purchasing the Grace Design m201 microphone preamplifier. With the combination of unmatched sonic

grace design m201owner’s manual20Revision Page Change Date InitialsA Initial release 04/25/2007 mbgB 3 Changed voltage range and power specifications 0

grace design m201owner’s manual3Important Safety InformationGENERAL•Indoor use only•Ordinary Protection: This equipment should not be exposed to drip

M+S WIDTH100m 70m30s30m70s50m50sGRACE DESIGN USAm201microphone preamplifierHI-Z148VHI-Z130Vribbon(+10dB)2030405060INPUT MODE+48V - 20dBHI-Z248VHI-Z

120VacPUSHPUSHPUSH1324PUSH1324PUSHPUSHWORD/LOOP CLOCKS/PDIFLINE INTOSLINKAES3 OUTOUTINRIGHTLEFTM+S OUT130 VMIC IN12MIC INOUTOUTMIC INOUTOUTGRACE DESIG

grace design m201owner’s manual6Audio ConnectionsMicrophone input connections are made via female XLR connectors with pin 2 posi-tive, pin 3 negati

grace design m201owner’s manual7showing. Do not try to rotate the cam while it is in the power input module. Replace the fuses with the proper value

grace design m201owner’s manual8ribbon This setting puts the m201 into ‘ribbon mic mode’, which is described in detail below. Use this input for ribb

< >14 16 18 20 0 0.1 0.2 0.3 0.4-0.3 -0.2 -0.1-0.4LEVELHEADROOM(dB)12-60 -50 -40 -32 -28 -24 -20 -18 -16 -14 -12 -10 -8 -6 -5 -4 -3 -2 -1 0CALIN