Midas DL251 User Manual

42 DL251 Audio System I/O
MUSIC Group IP Limited
DL251/DL252 Technical Specifications
7. Technical Specifications
This section contains the technical specifications for the
DL251 and DL252 units.
Due to a policy of continual improvement, Midas reserves the
right to alter the function or specification at any time without
notice.
DL251/DL252 general statistics
DL251/DL252 general specifications
DL251/DL252 audio performance
specifications
Gain error at 1kHz
Input CMRR
Distortion at 0dBu
Distortion at +20dBu
XLR connections
DL251
1 x 5U rack I/O box houses: 48 x (XLR) mic/line inputs
16 x (XLR) line outputs
DL252
1 x 5U rack I/O box houses: 16 x (XLR) mic/line inputs
48 x (XLR) line outputs
Resilience
N + 1 cable redundancy and dual redundant PSUs
Sampling frequency 48kHz/96kHz snake;
96kHz with Midas console
Latency delay <1ms direct connection input to
output
Dynamic range 107dB, 22Hz to 22kHz (no
pre-emphasis)
Maximum voltage gain 45dB
Crosstalk @ 1kHz -100dB physically adjacent input
channels
Crosstalk @ 10kHz -90dB physically adjacent input
channels
Dimensions DL251: 5U x 410 mm deep
DL252: 5U x 410 mm deep
Net weight DL251: 10 kg
DL252: 10 kg
Shipping weight DL251: 18 kg
DL252: 18 kg
Power requirements 100V to 240V AC ±10%,
50 to 60Hz
Power consumption at 115V 1 PSU: 85W, 85VA
2 PSU: 110W, 110VA
Power consumption at 230V 1 PSU: 90W, 100VA
2 PSU: 110W, 135VA
Operating temperature range +5°C to +40°C
Storage temperature range -20°C to +60°C
EN
Input Output Gain 20Hz 20kHz
DL251 I/O Box DL252 I/O Box 0dB 0dB to -1.0dB 0dB to -1.0dB
DL251 I/O Box DL252 I/O Box 40dB 0dB to -1.0dB 0dB to -1.0dB
DL252 I/O Box DL251 I/O Box 0dB 0dB to -1.0dB 0dB to -1.0dB
DL252 I/O Box DL251 I/O Box 40dB 0dB to -1.0dB 0dB to -1.0dB
Input Output Gain Max. Min.
DL251 I/O Box DL252 I/O Box 0dB +1.0dB -1.0dB
DL251 I/O Box DL252 I/O Box 40dB +1.0dB -1.0dB
DL252 I/O Box DL251 I/O Box 0dB +1.0dB -1.0dB
DL252 I/O Box DL251 I/O Box 40dB +1.0dB -1.0dB
Input Output Gain 100Hz 1kHz
DL251 I/O Box DL252 I/O Box 0dB 60dB 60dB
DL251 I/O Box DL252 I/O Box 40dB 90dB 90dB
DL252 I/O Box DL251 I/O Box 0dB 60dB 60dB
DL252 I/O Box DL251 I/O Box 40dB 90dB 90dB
Input Output Gain 1kHz 10kHz
DL251 I/O Box DL252 I/O Box 0dB 0.01% 0.01%
DL251 I/O Box DL252 I/O Box 40dB 0.03% 0.03%
DL252 I/O Box DL251 I/O Box 0dB 0.01% 0.01%
DL252 I/O Box DL251 I/O Box 40dB 0.03% 0.03%
Input Output Gain 1kHz 10kHz
DL251 I/O Box DL252 I/O Box 0dB 0.03% 0.03%
DL251 I/O Box DL252 I/O Box 40dB 0.03% 0.03%
DL252 I/O Box DL251 I/O Box 0dB 0.03% 0.03%
DL252 I/O Box DL251 I/O Box 40dB 0.03% 0.03%

Midas DL251 Specifications

General

Input Channels	48
Output Channels	16
Connectivity	AES50
Sample Rate	96 kHz
AD/DA Conversion	24-bit
Form Factor	Rackmount
Type	Digital Stage Box
Power Supply	100-240V AC