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DARK16O
16 Analogue Outputs From DANTE/ AES67 Networks

Features..... Description...... Overview Details Specification Downloads Ask a Question
  • Network audio interface for Dante/ AES67
  • 16 analogue audio outputs
  • Outputs are on rear panel XLRs
  • Supports up to 192k sampling
  • Low noise DACs
  • Redundant network links (Fibre and Copper)
  • Redundant Mains power supplies
  • 19" 1RU Subrack

The DARK16O is a versatile break out box for receiving analogue audio from a network utilising the Dante and AES67 audio over IP (AoIP) protocols.

In total there are 16 channels of audio being received from the AoIP network and converted via low noise DACs (Digital to Analogue Converters) to balanced analogue outputs.

For ease of cabling audio outputs are presented as balanced circuits on Neutrik XLRs.

Being designed for resilient broadcast applications the DARK16O features both redundant power supplies and redundant Dante network links with link status GPOs (general purpose outputs (solid state relays)). Both primary and secondary network links are provided with both magnetic (copper RJ45) and fibre (SFP) interface connections. The Dante system itself provides a completely transparent redundant link system which means that if the DARK16O lost its primary link circuit, the secondary link would automatically take over with no loss of audio.

The primary and secondary network interfaces are routed internally via a network switch.  It is possible to set this switch to work as a traditional network switch instead of the default redundant mode.  This means that there would be just one link to the Dante/ AES67 network and the other connections of the switch could have other Dante or network devices connected to them. As with all Dante devices, once set up, DARK16O units can be directly connected with each other with no external network hardware.

The DARK16O is a 19” 1RU subrack that provides 16 high quality analogue audio outputs from a Dante/ AES67 AoIP network. These audio outputs are balanced line level signals and for ease of installation are presented on rear panel XLRs.

Being designed originally for broadcast the DARK16O has inbuilt resilience for both its network connections and power supplies. It is also suitable for Theatre, Installation and Pro Audio use.

The unit is part of our very popular DARK range of AoIP audio interfaces that have a proven reliable provenance, meaning that it is a safe fit and forget choice for your engineer. Your accountant will also be happy as it has a very long expected life span and a very competitive initial price.

Sixteen Audio Outputs
The DARK16O has 16 audio outputs from the network. Each output is on its own Neutrik 3 pin XLR plug. The outputs are electronically balanced and can be connected to unbalanced inputs if required.

Dante® and AES67
Although Dante is by far the most popular current format for distributing audio across a standard Ethernet network, the DARK16O is also AES67 compliant for users who prefer to use an open standard.

Up to 192kHz Sampling
Each incoming audio circuit can be sampled at up to 192k, which is four times the 48k rate used by most broadcasters and double the 96k rate used by lots of professional audio systems.

Easy Connection To Network Switches
Having the Ethernet network copper and fibre interfaces located at the front of the rack mean they are presented on the same face as most Ethernet switches. This allows for easy patching between the DARK16O and its associated network switch(es).

19" 1RU Subrack
The DARK16O is housed in a rugged custom built aluminium subrack.  For long life it has laser etched anodised front & rear panels and powder coated lid and base. The subrack has been carefully designed to eliminate the need for noisy and unreliable cooling fans.

Network Interface
There are 4 network interfaces on the DARK16O. There are 2 x Neutrik Ethercon (RJ45) connectors and there are also 2 x SFP slots for customers to fit their own preferred fiber interfaces.

Redundant Network Interface
When using the Dante protocol it is possible to set the DARK16O to have a fully redundant network interface whereby a completely glitch free automatic redundant audio network link is provided across 2 of the network interfaces.

Power
Two wide range switch mode power supplies are fitted as standard to provide redundant mains power supply solution. Either supply can provide power to the unit and two are fitted for extra resilience.

Status LEDs
Front panel LEDs provide clear indication of the status (working (or not)) of both of the power supplies and both the primary & secondary network circuits.

Alarms
Solid state relay outputs are provided for triggering external equipment to indicate failure of any of the following: PSU1, PSU2, Primary Ethernet, Secondary Ethernet.

ANALOGUE AUDIO

Frequency Response:  +/-0.25dB 20Hz to 22kHz
Maximum Output Level: +18dBu (+24 option to order)
Full Scale: 0dBFs = +18dBu (+24dBu option to order)
Output ImpedanceDistortion:  0.0013% @ 100Hz
                   0.0022%@1kHz
                   0.00094% @ 10kHz
Reference to +8dBu output
Noise: -93dB@line up A weighted RMS
Interchannel Cross Talk: >101dB @ lineup with 1kHz Tone
Output Type:  Electronically balanced (can be wired unbalanced)

NETWORK INTERFACE

Physical: 2 x Neutrik Ethercon RJ45 sockets and 2 x GBIC SFP module slots
Protocol: Dante & AES67
Audio Sample Rates: 32 - 192 kS/s

POWER

Connections:  2 x mains inputs filtered IEC, 100 to 240 VAC 47-63Hz
AC Consumption: 18 watts@230VAC
Internal Mains Fuse:  20mm 1A anti surge

PHYSICAL 

Audio Connectors: Neutrik 3 pin XLR Plugs
Alarm Connector: 9 way D socket
Alarm Type: solid state relay
Size: 1RU 19” 300mm deep excluding connectors
Nett Weight:  2.8kg
Shipping Carton:  Rugged export quality cardboard 610x420x130mm LxDxH
Shipping Weight: 4.3kg

ENVIRONMENTAL
Operating Temperature: 0 to +50°C (32 to 122°F)
Storage Temperature: -20 to +70°C (-4 to 158°F)
Relative Humidity: 0 to 95% non-condensing

INCLUDED ITEMS

Handbook: Physical A5 (download available)
RJ45 Network Cable: 1 of 2 metre CAT5 RJ45 plug/ plug cable
Mains Cable: 1 of 2 metre IEC socket cable (UK & EU only)

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Telephone: 01622 753662
International: +44 1622 753662
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