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Manual Grace M201

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  • Grace M201 - page 1

    owner’s manual all contents ©2007 Grac e Design/ Lunatec LL C m 20 1 manual Rev D microphone preamplifier optional A/D converter module ...

  • Grace M201 - page 2

    grace design m 201 owner’ s manual 2 Welcome Thank you for purchasing the Grace Design m201 microphone preamplifier . W ith the combination of unmatched sonic per formance, powerful featur es, and solid reliability , the m201 is a powerful rec ording tool designed to help you make the best recordings of your career . W e have designed the m201 t ...

  • Grace M201 - page 3

    grace design m 201 owner’ s manual 3 Important Safety Information GENERAL •Indoor use only •Ordinary P rotection: This equipment should not be exposed to dripping or splasing . •A void placing objects filled with liquids, such as vases or glasses, on this equipment. •Class I Equipment (grounded type) •Electrical rating: 100-120/220/230- ...

  • Grace M201 - page 4

    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 A B G F E D C H I grace design m 201 owner’ s manual 4 Front Panel Controls A 24 position gold co ...

  • Grace M201 - page 5

    120 V ac PUSH PUSH PUSH 1 3 2 4 PUSH 1 3 2 4 PUSH PUSH WORD/LOOP CLOCK S/PDIF LINE IN TOSLINK AES3 OUT OUT IN R IGHT L EFT M+S O UT 130 V MIC IN 1 2 MIC IN OU T OU T MIC IN OU T OU T GRACE DESIGN USA m 0 1 2 mic roph one pream plifier 1 2 Pb LEAD F REE RoHS COMPLIE NT A B C D E grace design m 201 owner’ s manual 5 Rear Panel Connections A XLR mic ...

  • Grace M201 - page 6

    grace design m 201 owner’ s manual 6 Audio Connections Microphone input connec tions are made via female XLR connectors with pin 2 posi - tive , pin 3 negativ e and pin 1 ground . 48V phantom power is supplied on pins 2 and 3. Output connections are made via male XLR connec tors with pin 2 positive, pin 3 negative and pin 1 ground. If the output ...

  • Grace M201 - page 7

    grace design m 201 owner’ s manual 7 showing . D o not tr y to rotate the cam while it is in the power input module. Replace the fuses with the proper value selec ted from <figure 2> below . B e sure to use a time delay fuse with a 250V rating . CAM SET TING LINE VOL T AGE FUSE V ALUE 100V~ 100V~ 250V~ T 500mA L 120V~ 120V~ 250V~ T 500mA L ...

  • Grace M201 - page 8

    grace design m 201 owner’ s manual 8 ribbon This setting puts the m201 into ‘ribbon mic mode’ , which is described in detail below . Use this input for ribbon microphones or any application where an additional 10dB of gain may be required. In this position, the main XLR mic inputs are feeding the preamplier and the dual XLR outputs are act ...

  • Grace M201 - page 9

    < > 14 16 18 20 0 0.1 0.2 0.3 0.4 -0.3 -0.2 -0.1 -0.4 LEVEL HEADROOM ( dB ) 1 2 -60 -50 -40 -32 -28 -24 -20 -18 -16 -14 -12 -10 -8 -6 -5 -4 -3 -2 -1 0 CAL INT WORD LOOP s LOCK OFF PRO 2WIRE 44 48 88 96 176 192 MS CH1-2 LINE CONS OVER OVER B A FS SELECT CLOCK SOURCE ADC MODE INPUT SENS PEAK RESET ADC SOURCE / MODE (hold) H E J F A B I G C D gr ...

  • Grace M201 - page 10

    grace design m 201 owner’ s manual 10 A FS SELECT this switch is used to toggle through the a vailable ADC sampling rates B CL OCK SOURCE this switch is used to select the ADC clock source C ADC MODE this switch is used to select single or dual wire AES, and switch between either professional or consumer fomat D OVER lights illuminate when the AD ...

  • Grace M201 - page 11

    grace design m 201 owner’ s manual 11 all the available sampling rates. Simply push the button to select the sampling rate you require. The selected rate will be illuminated green below . Selecting “OFF” puts the A/D con ver ter circuitr y in low power standby mode with all oscillators off. CL OCK SOURCE The m201 A/D can be run from the inter ...

  • Grace M201 - page 12

    grace design m 201 owner’ s manual 12 The front panel inter face features a calibration mode that allows precise adjustment of the A/D sensitivity . T o recalibrate one or both of the input sensitivity configurations , simply do the following: 1 ) Disconnec t AC power from the m201. 2 ) Remove the 8 top cov er screws using a #2 Phillips screwdri ...

  • Grace M201 - page 13

    <figure 3 - A/D sensitivity trim pot lo cations> 8 4 C -15 V A U9 C40 P4 . ' ) 3 % $ % # ! 2 ' C42 7 4 C 5 4 C 7 3 R 2 4 R C46 +6 .5 V TP 5 TP 6 +3.3V 1 4 R 4 5 C 3 4 R 4 4 R P5 R31 4 3 R 2 V E R 6 3 1 T A 5 3 R R38 K2 K3 Q1 C10 K1 P1 FD1 C13 J2 U4 C20 R9 TP1 + 15 V A + 18 V TP2 1 n i P J5 C2 9 P3 U1 1 0 3 C J4 -18 V TP3 TP4 D1 D2 ...

  • Grace M201 - page 14

    grace design m 201 owner’ s manual 14 Maintenance The model m201 was designed to be maintenance free for many years. I t is highly unlikely that your unit will require ser vice. However , there are two adjustments that may need to be made from time to time. These procedures should be made only by a qualified ser vice technician or at the Grace D ...

  • Grace M201 - page 15

    grace design m 201 owner’ s manual 15 INPUT OFFSET ADJUSTMENT The input amplifiers in the m201 are ultra-precision laser trimmed devices which have a very low input offset. However , even the smallest differ ential offset at the input can result in an audible “ click ” when the gain control is turned. It should be noted that this type of cli ...

  • Grace M201 - page 16

    grace design m 201 owner’ s manual 16 <figure 4 - offset test point and peak LED adjust trim pots> C17 TP5 TP6 C51 C12 R40A C36A C53 R40B C36B J4B P1 CHAN NEL 1 P7 R17B R18B CHAN NEL 2 C13B R62A R14B C52 R20B R21B D14A R51A R52A R60A R61A R2B R1B C42A C4B R6B C1B C43A R7B D13A C35A R53A D16A D17A R8B C10B J3B U1B R37B D10B R38B C22B R15B C ...

  • Grace M201 - page 17

    grace design m 201 owner’ s manual 17 Specifications A/D module specifications (line input) Dynamic range 20Hz-20kHz >115dB “ A ” weighting >117dB THD+N 1kHz, -1dBFS, 20Hz-22kHz < 0.00026% (-112dB) Fr equency response +/-0.2dB -3dB 44.1kHz Fs 5Hz-21kHz 22kHz 48kHz Fs 5Hz-23kHz 24kHz 88.2kHz Fs 5Hz-41kHz 44kHz 96kHz Fs 5Hz-45kHz 48kH ...

  • Grace M201 - page 18

    grace design m 201 owner’ s manual 18 AES3 1 INP UTS OP TION AL A NAL OG T O D IGIT AL C ONV ERT ER M ODU LE 2-CH SP DIF CH 1 OU T A 6-CHANNEL A NA LO G OU TPU TS CH1 MIC TOSLINK LOOP SYN C IN WORD CLO CK CLOCK OUT s-Lock P LL 6-CHANNEL MICROPHONE AM PLIFIER HI-Z INPUT AM P OUTPUT DRIVERS BALANCED WIDE RANGE PLL CH1 HI -Z A ES 3 TX A ES 3 TX AD C ...

  • Grace M201 - page 19

    grace design m 201 owner’ s manual 19 Warranty Information  Grace Design warrants all of our products to be free of def ec tive parts and work- manship for a period of five y ears. T his warranty period begins at the original date of purchase and is transf erable to an y person who may subsequently purchase the product during this time.  T ...

  • Grace M201 - page 20

    grace design m 201 owner’ s manual 20 Revision P age Change Date Initials A Initial release 04/25/2007 mbg B 3 Changed voltage range and pow er specifications 04/26/2007 mbg B 4 Po wer switch description changed to standby switch. 04/26/2007 mbg B 6 Added power mains disconnect information 04/26/2007 mbg B 13 Added signal flow diagram 04/26/200 ...

Manufacturer Grace Category Car Amplifier

Documents that we receive from a manufacturer of a Grace M201 can be divided into several groups. They are, among others:
- Grace technical drawings
- M201 manuals
- Grace product data sheets
- information booklets
- or energy labels Grace M201
All of them are important, but the most important information from the point of view of use of the device are in the user manual Grace M201.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals Grace M201, service manual, brief instructions and user manuals Grace M201. Depending on your needs, you should look for the document you need. In our website you can view the most popular manual of the product Grace M201.

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A complete manual for the device Grace M201, how should it look like?
A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use Grace M201 by users. Manuals are usually written by a technical writer, but in a language understandable to all users of Grace M201.

A complete Grace manual, should contain several basic components. Some of them are less important, such as: cover / title page or copyright page. However, the remaining part should provide us with information that is important from the point of view of the user.

1. Preface and tips on how to use the manual Grace M201 - At the beginning of each manual we should find clues about how to use the guidelines. It should include information about the location of the Contents of the Grace M201, FAQ or common problems, i.e. places that are most often searched by users in each manual
2. Contents - index of all tips concerning the Grace M201, that we can find in the current document
3. Tips how to use the basic functions of the device Grace M201 - which should help us in our first steps of using Grace M201
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with Grace M201
5. FAQ - Frequently Asked Questions
6. Contact detailsInformation about where to look for contact to the manufacturer/service of Grace M201 in a specific country, if it was not possible to solve the problem on our own.

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