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Electro-Voice MI-1 Quick start guide

Technische Informationen
Architects and engineers
specifications
Informations techniques
MI-1
NetMax Microphone
Input Module
Beschreibung
Das MI-1 ist ein 8-kanaliges Mikro-
fon-Eingangsmodul für den NetMax
System Controller. Der Anschluss
der Mikrofon-Signale erfolgt an
verschraubbaren Euro-Block Steck-
verbindern. Für die A/D-Wandlung
werden lineare hochpräzise 24 Bit
Wandler eingesetzt und die interne
Signalverarbeitung erfolgt in 48 Bit
Wortlänge.
Weitere MI-1 Eigenschaften:
118 dB Dynamikbereich – für
beste Audio-Performance ohne
störende Nebengeräusche.
Symmetrische Eingänge –
Hohe Gleichtaktunterdrückung
zur Vermeidung von Störgeräu-
schen durch Einstreuungen auf
lange Leitungen.
Gain, PAD, Phantom Power –
Eingangsverstärkung in 6 dB
Stufen programmierbar, PAD
für Umschaltung auf Line-Pegel
und +48V Phantomspeisung
per Software schaltbar.
Automatische Konfiguration
– Meldung, wenn neues Modul
bestückt wurde bzw. wenn Mo-
dul entfernt wurde.
Description
The MI-1 is an eight-channel mi-
crophone input module for the
NetMax System Controller. Micro-
phone signals are connected via
screw-lockable Euro block connec-
tors. A-to-D conversion is taken
care of by high performance linear
24-bit converters. Internally the
signals are processed in 48-bit
word length.
Additional MI-1 features:
118 dB dynamic range – For
best audio performance.
Balanced inputs – High com-
mon mode rejection prevents
long cables from picking up in-
terferences.
Gain, PAD, Phantom Power –
Input gain in 6 dB steps, PAD
for switching input to line level,
switchable +48V Phantom
Power.
Automatic configuration –
Indication (message) of installa-
tion and removal of modules via
IRIS-Net software.
Description
Le MI-1 est un module d'entrée
microphone huit canaux pour le
Contrôleur Système NetMax. Les
signaux microphone sont relés via
des connecteurs Euro Block à vis.
La conversion A/N s'effectue au
moyen de convertisseurs 24 bits
linéaires hautes performances. Les
signaux sont traités en interne avec
une résolution de 48 bits (word
length).
Autres caractéristiques MI-1:
Dynamique de 118 dB – pour
de meilleures performances
audio.
Entrées symétrisées – Une
réjection en mode commun
élevée évite que les longs
câbles ne captent des inter-
férences.
Gain, PAD, Alimentation
fantôme – Gain d'entrée
réglable par pas de 6 dB, PAD
pour passer en niveau d'entrée
ligne, alimentation fantôme
+48V commutable.
Configuration automatique –
indication (message) d'installa-
tion et de suppression des
modules via logiciel IRIS-Net.
Inhalt
1 x Technische Informationen MI-1
1 x MI-1 Modul
8 x Stecker 3-pol., Phoenix MC
1.5/3-STF-3.81 (Nr. 18 27 71 6)
2 x Schrauben Torx M3 x 6
Contents
1 x Technical Information MI-1
1 x MI-1 Module
8 x Connector 3-pole, Phoenix MC
1.5/3-STF-3.81 (No. 18 27 71 6)
2 x Screws Torx M3 x 6
Contenu
1 x Informations techniques MI-1
1 x Module MI-1
8 x Connector 3 pôles, Phoenix MC
1.5/3-STF-3.81 (No. 18 27 71 6)
2 x Vis Torx M3 x 6
D
A
MCLK
WCLK
SERIAL
AUDIO
DATA
IN 1
ANALOG
SUPPLY
DIGITAL
SUPPLY
SPI
+18V
-18V
+5V
+3.3V
RES
Slot Connector
SERIAL
DATA
SELECT
4
+
-
DSP
CLOCK
DIVIDER
BCLK
WCLK
MCLK
8 CH. DATA
D
A
D
A
D
A
SLOT ID
MODULE
TYPE
IN 3
IN 7
IN 4
ADC CONTROL
DC
DC
IN 5
+
-
IN 2
+
-
IN 6
IN 8
+
-
+48V PHANTOM POWER SUPPLY
CONTROL
REGISTER
+5V
Technical Specifications
Supply Voltage / Current +3.3 V DC, ± 0.3 V / 180 mA
+5 V DC, ± 0.3 V / 1 A
+18 V DC, ± 0.5 V / 400 mA
-18 V DC, ± 0.5 V / 150 mA
Audio Inputs 8 x 3-pole Euro block connectors, electronically symmetric
Input Level (nominal) +6 dBu / 1.55 V
Input Level (max. before clip) Line: +21 dBu / 8.7 V
Mic: +39 dBu / 69 V
Input Sensitivity (6dBu Output, Input
Level Control +18dB)
Line: -54 dBu / 1.55 mV
Mic: -72 dBu / 195 µV
Input Impedance Mic: 2 kΩ
Line: 8 kΩ
Common Mode Rejection Mic: > 75 dB (1 kHz)
Line: > 60 dB (1 kHz)
Equivalent Input Noise (EIN) 129 dBu (A-weighted, 150 Ωsource)
Phantom Power +48 V / 10 mA, independently switchable per channel
A/D Conversion 24 Bit, Sigma-Delta, 128 times oversampling
Frequency Response 20 Hz …20 kHz (-0.5 dB)
Signal to Noise Ratio (A-weighted) 118 dB typical
THD+N < 0.005 %
Sample Rate 48 kHz
Data Format 24 Bit linear A/D conversion, 48 Bit processing
Signal Delay 1.3958 ms
Operating Temperature Range 0 °C…40 °C
Dimensions (W x H x D) 114 x 33 x 258.5 mm
Weight 250 g
MI-1 Block Diagram
Montage
1. Gerät ausschalten und Netz-
stecker abziehen
2. Leerblende an Rückwand ab-
schrauben (2 Schrauben hin-
ten)
3. MI-1 Modul in gewünschten
Slot einschieben und mit 2
Schrauben an Rückwand be-
festigen (s. Bild)
4. Netzkabel einstecken und
Gerät einschalten
5. MI-1 Modul wird im Gerät au-
tomatisch erkannt
Nun stehen 8 neue Mikrofon Ein-
gänge zur Verfügung.
Installation
1. Turn off the power of the unit and
pull the mains plug
2. Remove the blind on the rear
panel (2 screws)
3. Insert the MI-1 module in the
desired slot and secure it with 2
screws on the rear panel (see
picture)
4. Plug in the mains cord and turn
the unit’s power on
5. The unit automatically recog-
nizes the MI-1 module.
Eight additional microphone inputs
can be used.
Montage
1. Mettez l'unité hors tension et
débranchez-la du secteur
2. Enlevez le cache situé à
l'arrière (2 vis)
3. Insérez le module MI-1 dans
le slot désiré et fixez-le sur le
panneau arrière à l'aide des
2 vis (voir illustration).
4. Branchez le cordon secteur
et mettez l'unité sous ten-
sion.
5. L'unité reconnaît auto-
matiquement le module MI-1
Huit nouvelles entrées micro-
phones sont désormais à votre
disposition.
Verbindungskabel XLR – Euro-
Block für MI-1 Audio Eingänge
Interconnection cord XLR – to –
Euro block for MI-1 audio inputs
Cordon d'interconnexion
XLR/Euro Block pour les
entrées audio du MI-1
Abmessungen / Dimensions
GmbH • Hirschberger Ring 45 • 94315 Straubing • Telefon (09421) 706-0 • Telefax (09421) 706-265
Subject to change without prior notice. Printed in Germany V1.0 24.03.2006 362776

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