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M201 owner manual
1
1
20
20
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20 pages, 930.82 Kb
owner’s manual
all contents ©2007 Grace Design/ Lunatec LLC
m
201
manual
Rev D
microphone preamplifier
optional A/D converter module
Contents
Main
Welcome
Important Safety Information
GENERAL
SAFETY MARKING SYMBOLS
SERVICE INFORMATION
m201microphone preamplifier
Front Panel Controls
A
24 position gold contact gain switch
B
bi-color LED peak indicator
Rear Panel Connections
A
XLR mic input connectors
B
XLR output connectors
Audio Connections
Power Connections
CHECK LINE VOLTAGE SETTINGS
Preamplifier Operation
TURNING THE POWER ON
USING THE INPUT MODE SELECTOR SWITCH
48V
HI-Z
Ribbon Mic Mode
M-S recording with the m201
The Optional A/D Converter Features
Operating The A/D Converter Module
INPUT SOURCE SELECT
FS SELECT
CLOCK SOURCE
A/D Converter Sensitivity
A/D MODE
PEAK RESET / MODE
SELECTING THE A/D SENSITIVITY
CALIBRATING THE A/D SENSITIVIT Y
Page
.')3%$%#!2'
1
FRONT PANEL
2 VER631TA
Maintenance
PEAK LED ADJUSTMENT PROCEDURE
EQUIPMENT NEEDED
PROCEDURE
INPUT OFFSET ADJUSTMENT
Cleaning
<gure 4 - offset test point and peak LED adjust trim pots>
FRONT PANEL
CHANNEL 2
CHANNEL 1
OFFSET TEST POINTS: CH1> TP1A-TP2A CH2> TP1B-TP2B
OFFSET TRIM POTS: CH1> VR1A CH2> VR1B
Specifications
A/D module specications (line input)
preamplier specications (without A/D converter)
Signal Flow Diagram
OPTIONAL ANALOG TO DIGITAL CONVERTER MODULE
m201 SIGNAL FLOW DIAGRAM
GRACE DESIGN
ADC
Warranty Information
Manual Revisions
Revision Page Change Date Initials