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- 16 award-winning MIDAS microphone preamplifiers with switchable 48 V phantom power
- 8 electronically balanced low impedance line level outputs
- Remote operation up to 100 m via CAT5/5e cable
- 24 bit audio operation with 96 kHz sample rate
- Open architecture allows for future 48 kHz operation
- All settings programmable from front panel controls or console
DL153 is a 2U 19″ fixed-configuration rack I/O unit with 16 mic/line level inputs and 8 line level outputs and delivers legendary MIDAS sound quality utilising our 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 DL153 is the ideal partner to the MIDAS M32, PRO1, PRO2C and PRO2 digital consoles, enabling a digital snake connection from Front of House to stage.
Award-Winning MIDAS Microphone Preamplifier
The MIDAS microphone preamplifier is considered by leading live sound and recording engineers to be the very essence of the famous MIDAS sound. More than 40 years of design experience paired with the finest choice of premium-grade components lead to the acclaimed warmth and depth – bringing out subtle ambience, maintaining spatial positioning and more effectively capturing a precise sound image. The acclaimed sound of the award-winning MIDAS microphone preamplifier has inspired generations of live sound engineers to their best work, creating sonic panoramas that have captivated audiences worldwide.
Since pristine sound always begins with the microphone preamplifier, the first point where the signal enters the console, DL153 features the latest generation of MIDAS microphone preamplifiers, which faithfully reproduce every sonic detail so no part of a performance will ever be missed. Transparent and pristine sound, low noise and high common-mode rejection are all hallmarks of this classic design.
Over the years many mix engineers have found this robust and overload-tolerant design takes on a whole new dimension of sound when driven hard, the crystal-clear audiophile reproduction giving way to just the right combination of harmonics, a warm and organic sound heard by millions of concert goers and recorded for posterity on countless live albums over the years.
Digital Audio Networking
SuperMAC (AES50-Compliant) digital audio networking technology from KLARK TEKNIK simultaneously provides high channel counts, ultra low and deterministic latencies, sample-synchronous and phase-aligned networked clock distribution, error detection and correction, network redundancy, and ease of deployment and use – to meet the demanding requirements of live concert touring. DL153 is compatible with all MIDAS digital consoles and audio system engines, as well as with any other AES50-equipped devices.
High Output Drive Line Outputs with Mute
DL153 features 8 active servo-balanced low impedance line level outputs with high output current capability for driving long cable runs.
The outputs feature an automatic mute facility if the audio signal path is muted by the mixing console operator, and individual LED indicators are provided for each output connector.
96 kHz or 48 kHz Operation
DL153 supports multiple sample rates for the AES50 connections – 96 kHz for use with MIDAS PRO Series, and 48 kHz for use with MIDAS M32 Series.
Remote Console or Front Panel Control
All configuration settings for DL153 can be set either remotely from the mixing console, or directly via the intuitive and easy to understand front panel. DL153 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.
Built for the Road
Featuring a rugged steel 2U rackmount enclosure, the DL153 is designed for the rigours of live concert touring. Premium Neutrik connectors are used for reliable audio and network connections, night after night.
Auto-ranging universal switch-mode power supply
DL153 features a universal power supply, which is auto-voltage sensing for use on a worldwide basis
Architecture and Engineering Specifications
The interface unit shall be designed for digital audio mixing applications and be optimised for use in live performance. It shall feature 16 integrated microphone preamplifier inputs with 2.5 dB analogue gain steps and 8 servo-balanced electronic outputs on industry-standard XLR connectors and shall be capable of operating at 48 kHz and 96 kHz sampling rates.
The interface unit shall have LED indication for 48V phantom power for each input channel connector
The interface unit shall include an automatic output mute function if the audio signal path is muted via the control centre and shall have LED indication for output mute for each output channel connector.
The interface unit shall support a 100 Megabit Ethernet frame-based digital audio network that shall offer dual cable redundancy and be compliant with the Audio Engineering Society AES50-2011 standard. Two digital audio network ports and one Ethernet control port shall be provided.
The interface unit shall provide both front panel and remote network configuration of operational settings and provide an alphanumeric LCD display with associated menu navigation buttons, and LED status indication of power supply output rail condition and digital audio and control network connection status and activity.
The interface unit shall include an auto-ranging universal switch-mode power supply for use on a worldwide basis.
The interface unit shall be housed in a standard 2U 19″ rackmount chassis, and shall be 483 mm wide x 376 mm deep x 88 mm high (19.0″ x 14.8″ x 3.5″), with nominal weight 6.7 kg (14.7 lbs). The interface unit shall be installed in a rack frame or road case capable of safely supporting its weight. Input, output, and power connections shall be made at the rear panel of the interface unit. Installers shall allow adequate space at the rear for connection and disconnection of input, output, and power connections. The power requirements shall be 100 to 240 VAC, 50 to 60 Hz.
The interface unit shall be the MIDAS DL153 and no other alternative shall be acceptable.
Specification
| General Specifications | |
| SAMPLE RATE | 48 kHz, 96 kHz |
|---|---|
| DYNAMIC RANGE | >107 dB unweighted (20 Hz – 20 kHz) |
| MAXIMUM INPUT LEVEL | |
| MIC/LINE (UNITY GAIN) | 21 dBu |
| MIC/LINE (-2.5 DB GAIN) | 24 dBu |
| CMRR @ 1 KHZ | |
| MIC INPUT (UNITY GAIN) | >60 dB |
| MIC INPUT (40 DB GAIN) | >90 dB |
| MIC EIN (40 DB GAIN) | -126 dBu |
| MAXIMUM OUTPUT LEVEL | 21 dBu into 600 ohms |
| OUTPUT NOISE (UNITY GAIN) | -86 dBu |
| FREQUENCY RESPONSE | ±0.5 dB (20 Hz – 20 kHz, relative to 1 kHz) |
| THD N (UNITY GAIN) | <0.01% |
| CROSSTALK @ 1 KHZ | <-90 dB |
| System Inputs and Outputs | |
| ANALOGUE INPUTS | 16 |
| TYPE | Mic/Line Level |
| CONNECTOR | 3-pin XLR Balanced |
| INPUT IMPEDANCE | 10k ohms |
| A/D CONVERSION | 24 bit, 96 kHz with 128 times oversampling |
| PHANTOM POWER | 48V, individually switchable per channel |
| ANALOGUE OUTPUTS | 8 |
| TYPE | Line Level |
| CONNECTOR | 3-pin XLR Balanced |
| OUTPUT IMPEDANCE | 50 ohms |
| D/A CONVERSION | 24 bit, 96 kHz with 128 times oversampling |
| NETWORK CONNECTIONS | 2 |
| CONNECTOR | Neutrik etherCON with status LEDs |
| REDUNDANCY | Dual cable redundancy |
| NETWORK INTERFACE | Conforms to AES50-2011 |
| ETHERNET CONTROL PORT | 1 |
| CONNECTOR | Neutrik etherCON with status LEDs |
| POWER | 1 |
| CONNECTOR | IEC mains inlet |
| MAINS INPUT VOLTAGE | 100 to 240 VAC, 50-60 Hz |
| POWER CONSUMPTION | <150 W |
| DIMENSIONS | 483 x 416 x 88 mm (19.0 x 16.4 x 3.5″) |
| NET WEIGHT | 6.7 kg (14.7 lbs) |
| OPERATING TEMPERATURE RANGE | 5°C to 45°C |
| STORAGE TEMPERATURE RANGE | -20°C to 60°C |
