Midas DL154 – 8 Input, 16 Output Stage Box with 8 Microphone Preamplifiers

Description

The Midas DL154 is a 2U 19″ fixed-configuration rack I/O unit with 8 mic/line level inputs and 16 line level outputs and delivers legendary sound quality utilising Midas’ time-tested and road-proven technologies. Featuring award-winning Midas microphone preamplifiers with 2.5 dB analogue gain steps and two AES50 network ports providing dual redundancy, the DL154 is the ideal partner to all Midas PRO and M32 Series digital consoles, enabling a digital snake connection from Front of House to stage.

All configuration settings for DL154 can be set either remotely from the mixing console, or directly via the intuitive and easy to understand front panel. DL154 features a front panel LCD display with intuitive menu navigation for all configuration options with LED status indicators, which provide clear feedback of operational status over wide viewing angles and distances. Clear indication is provided showing power supply output rail condition and AES50 and Ethernet network connection status and activity.

• 8 award-winning Midas microphone preamplifiers with switchable +48 V phantom power
• 16 electronically balanced low impedance line level outputs
• Remote operation up to 100 m via CAT5/5e cable
• Selectable 96 kHz or 48 kHz sample rate operation
• All settings programmable from front panel controls or console
• PSU status indicator LEDs and configuration LCD display on front panel
• Supports dual redundant AES50 networks
• Features Neutrik etherCON AES50 network ports
• Rugged 2U rackmount chassis for durability in portable applications
• Auto-ranging universal switch-mode power supply
• Designed and engineered in the UK =+= Technical Specification
EXTERNAL CONNECTIONS
Primary Analogue Inputs
Mic / Line inputs – balanced XLR connectors – 10 kΩ load
Primary Analogue Outputs
Main Outputs – balanced XLR connectors – 50 Ω source
Primary Digital Inputs
XLR connectors – 110R
AES50 Connections
Neutrik Ethercon with status indication
Diagnostic Connection
9 W female ‘D’-type connector
Power Connections
IEC mains inlet – 100-240 V AC~50-60 Hz ±10%
AUDIO ELECTRONIC SPECIFICATIONS
Maximum Input Level
Mic/Line (at unity gain) +21 dBu / Mic/Line (at -2.5 dB gain) +24 dBu
CMR at 1 KHz (typical)
Mic (at unity gain) > -70 dB / Mic (at 40 dB gain) > 90 dB
Noise
Mic EIN at 40 dB gain -126 dBu / Output noise at unity gain -86 dBu
Frequency Response
20 Hz – 20 kHz ±0.5dB
Distortion at 1 kHz
Input to output (0 dB) < 0.01% Crosstalk at 1 kHz Channel to channel < -90 dB Maximum Output Level Line outputs (into 600R) +21 dBu Dynamic Range at 1 kHz 22 Hz - 22 kHz (at unity gain) > 107 dB unweighted (20 Hz – 20 kHz)
POWER REQUIREMENTS
Voltage
100 V AC to 240 V AC ±10%
Frequency
50 Hz to 60 Hz
Consumption
<150 W PHYSICAL Height Approx 88.1 mm (2U) Width Approx 482.6 mm (19.0") Depth Approx 380 mm (15.0") Net Weight Approx 6.5 kg Shipping Weight Approx 8.5 kg Operating temperature range +5°C to 45°C Storage temperature range -20°C to +60°C DIGITAL INPUTS Connector AES3 (two channels of digital audio) on 3-pin XLR Sample rates Accepts any frequency between 32 k to 96 k Bypass Sample rate converter can be bypassed DIGITAL OUTPUTS Connector AES3 (two channels of digital audio) on 3-pin XLR Sample rates 48 k, 96 k or auto tracking to inputs Bypass Sample rate converter can be bypassed Word length 16, 20 or 24 bit