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Klark Teknik DN9650 - Network Bridge

Klark Teknik DN9650 - Network Bridge


Klark Teknik DN9650 - Network Bridge

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Klark Teknik DN9650- Network Bridge

There are many different multichannel digital audio protocols available today. Some are well established and have been in common use for several years, others have appeared recently, and all are vying for recognition and market share. Interfacing different protocols can be difficult and expensive, often requiring the use of inflexible, proprietary hardware. Connecting different audio networks together, which often have differing sample rates and clock domains can be a difficult and expensive process. The DN9650 Network Bridge allows all MIDAS digital consoles and MIDAS digital I/O hardware, KLARK TEKNIK DN9696 High Resolution Audio Recorders and many other AES50 devices to connect to many different multichannel digital audio networks simply and reliably.


Klark Teknik DN9650  Klark Teknik DN650 Data Sheet

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Klark Teknik DN9650  Klark Teknik DN9650-52 User Manual

Currently available interfaces include:-

  • Audinate Dante
  • Cirrus Logic CobraNet
  • Digigram EtherSound
  • MADI (AES10)

The DN9650 Network Bridge supports network modules designed and manufactured by Cirrus Logic, Inc., Lab X Technologies, LLC, and Audinate Pty Ltd.

Clock Synchronisation

The DN9650 clock synchronisation scheme is divided into two domains, with the AES50 domain and third party network domain separated by the Asynchronous Sample Rate Converter (ASRC).

AES50 Domain Clock Options:-

  • AES50 External Clock
  • Onboard Oscillator (AES50 Internal Clock
  • Word Clock Input
  • Video Black Burst Input

Network Domain Clock Options:-

  • External Network Clock
  • External Network Clock with Word Clock In Synchronisation
  • Onboard Oscillator (AES50 Internal Clock
  • Network Module Onboard Clock
  • AES50 Clock Source
  • Word Clock Input
  • Video Black Burst Input


  • Three AES50 ports each supporting 24 bi-directional channels of 24-bit 96kHz audio (72 bi-directional channels in total)
  • 1:1 channel mapping between AES50 channels and Network Module interfaces
  • Bidirectional Asynchronous Sample Rate Conversion (ASRC) on every channel with Bypass facilit
  • User-selectable bidirectional “Stop Output Clock if Input Clock fails” function, to propagate network failures across ASRC for automatic or manual redundancy switchover
  • Data format word length truncation and dithering • Ultra-high stability reference-grade 1 part-per-million (1 ppm) temperature-controlled clock oscillator
  • Supports operation at 44.1 kHz, 48 kHz and 96 kHz sampling frequencies
  • Flexible third party interface clock synchronisation options:-
    Network Module Incoming and Outgoing Clocks
    Network Module Onboard Clock (with or without
    Word Clock In synchronisation)
    Word Clock Input
    Word Clock Output
    Video Black Burst In (PAL/SECAM/NTSC formats in Standard Definition (SD) and High Definition (HD) resolutions)
  • Platform-independent web browser configuration interface software hosted on integrated Linux web server
  • Ethernet Control port for remote computer connection (web browser configuration and software updating)
  • 100V-240V universal power supply
  • 1U High 19” rackmount

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