Signal path noise 22Hz to 22kHz unweighted (inputs 150R
terminated)
Input
Output
DL251 I/O Box
DL252 I/O Box
DL251 I/O Box
DL252 I/O Box
DL252 I/O Box
DL251 I/O Box
DL252 I/O Box
DL251 I/O Box
Dynamic range 22Hz to 22kHz unweighted
Input
Output
DL251 I/O Box
DL252 I/O Box
DL251 I/O Box
DL252 I/O Box
DL252 I/O Box
DL251 I/O Box
DL252 I/O Box
DL251 I/O Box
DL251/DL252 system inputs and outputs
I/O box inputs
Connector
A/D converter
Box analogue outputs
Connector
D/A converter
MIDI
MIDI connector
48kHz I/O digital system inputs and outputs
System connector (1)
Redundant connector (2)
Additional connector (3)
96kHz I/O digital system inputs and outputs
System connector (1 and 2)
N+1 connector (3)
Gain
Output noise EIN
0dB
-86dBu
-86dBu
40dB
-86dBu
-125dBu
0dB
-86dBu
-86dBu
40dB
-86dBu
-125dBu
Gain
Output noise
EIN
0dB
+21dBu
107dB
40dB
+21dBu
106dB
0dB
+21dBu
107dB
40dB
+21dBu
106dB
3-pin XLR balanced
24-bit, 96kHz and 128 times
oversampling
3-pin XLR balanced
24-bit, 96kHz and 128 times
oversampling
In, out and through on 5-pin DIN
(for use with Midas consoles only)
1 x AES50 (48 channels of
bi-directional digital audio) on
EtherCon® XLR
1 x AES50 (48 channels of
bi-directional digital audio) on
EtherCon® XLR providing
redundant back-up
Not used
2 x AES50 (24 channels of
bi-directional digital audio) on
EtherCon® XLR
1 x AES50 (24 channels of
bi-directional digital audio on
EtherCon® XLR providing
redundant back-up
DL251/DL252 input and output
characteristics
Analogue input characteristics
Input
Load Z
Gain
DL251 I/O Box 10k
-2.5dB to +45dB +24dBu
DL252 I/O Box 10k
-2.5dB to +45dB +24dBu
Analogue output characteristics
Output
Source Z
Gain
DL251 I/O Box
50R
0dB
DL252 I/O Box
50R
0dB
48kHz digital I/O characteristics
Type
Channels
Data length
I/O
Description notes
Connector
96kHz digital I/O characteristics
Type
Channels
Data length
I/O
Description notes
Connector
43
Operator Manual
Max. level
Connector
XLR
XLR
Max. level
Connector
+21dBu
XLR
+21dBu
XLR
AES50
48
24-bit
Bi-directional
Conforms to AES50-2006
EtherCon® XLR
AES50
24
24-bit
Bi-directional
Conforms to AES50-2006
EtherCon® XLR
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