Dynacord PROMATRIX System Reference Manual page 23

5.1.6 MIC/LINE + 2 AUX Input Module (NRS 90216)
This 2-channel audio input module is meant for the
connection of external audio sources of any kind.
Channel A employs two switched AUX-inputs with 4
RCA-type connectors (2 x L / R) for CD players, tape
decks, tuners, DAT decks, etc. The MIC / LINE-input of
channel B is provided through an XLRF-type connector
allowing the connection of microphones, mixers and other
similar sources. The module can be inserted in slot 1 and
slot 2.
Input levels of both AUX-inputs can be separately
adjusted via internal potentiometers in a range between –
10 dBu to +12 dBu.
The MIC / LINE-input's sensitivity can also be adjusted
through an internal MIC / LINE switch (PAD) providing 30
dB attenuation. The GAIN-control on the appliance's rear
panel offers additional control within a range of 40 dB.
The MIC / LINE input is electronically balanced and can
be retrofitted with a transformer. Phantom power can be
switched via a jumper. If necessary, it is also possible to
incorporate a compressor / limiter into the audio path via
jumper setting.
The input channels can be switched separately to the
monitor bus and you can listen to the signal via
headphones or loudspeaker, either which is being
connected to the monitor output.
Specifications:
description
connections
input A
nominal input level
max. input level
input impedance
input B
nominal input level
max. input level
(im limiter operation)
input impedance
input balancing
phantom power
audio
frequency response
S/N ratio
distortion
A/D-conversion
power consumption
operational temperature range
dimensions W x H x D
weight
extensions
PROMATRIX System User Handbook 1.1
figure 5.11 MIC/LINE + 2 AUX input module
DPM-MLA MIC/LINE + 2 AUX input module, NRS 90216
1 x XLRF-type / 4 x RCA-type connectors
2 x AUX, unbalanced, internally summed
-10 dBu ... +12 dBu / 250 mV ... 3 V
+12 dBu / 3 V
10 kΩ
MIC/LINE, electronically balanced, transformers are optionally available
MIC: -54 dBu ... -14 dBu / 1.5 mV ... 155 mV
LINE: -24 dBu ... +16 dBu / 50 mV ... 5 V
MIC: +5 dBu / 1.4 V
LINE: +30 dBu / 25 V
MIC: 3.6 kΩ
LINE: 10 kΩ
> -30 dB
24V / 20 mA, switched via jumper
20 Hz ... 20 kHz, ± 0.5 dB
> 95 dB (A-weighted)
< 0.01 %
18-bit linear, Sigma-Delta
2.3 W
+5 °C ... +40 °C
37.5 x 81 x 252 mm
160 g (173 g including NRS 90233)
NRS 90233 input transformer for 1 MIC/LINE input, order-No. 121 682
DEVICE DESCRIPTIONS
DPM - M LA
AU X
I N 1
A
AU X
IN 2
L R
B
M IC /
L IN E
IN
GAIN
90 2 16
5-11