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Allen & Heath MMADIA 64 Channel Madi Interface Card with Word Clock I/O

$1,299.00

Features: The Allen & Heath MADI Interface Card is a dual port MADI card that supports two streams of 64 channel bi-directional 24-bit 48 kHz serial digital audio transmission using two 75ohm coaxial cables per port. An additional auxiliary connector can be configured to mirror stream 1 outputs, pass thru...

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The Allen & Heath MADI Interface Card is a dual port MADI card that supports two streams of 64 channel bi-directional 24-bit 48 kHz serial digital audio transmission using two 75ohm coaxial cables per port. An additional auxiliary connector can be configured to mirror stream 1 outputs, pass thru stream 1 inputs, or as a word clock input or output. Daisy chain or split signals to multiple devices, sync with either stream or an external word clock. The second port can be configured as an independent stream or as a redundant backup connection using a second cable. Signals from either stream can be routed to the iLive channels in blocks of 8. iLive and GLD outputs can be patched to MADI and appear at both stream outputs. MADI is one of a range of option cards which can be fitted to an iLive to enable integration with other systems. Multi-channel Digital Audio Interface (MADI) is an industry standard protocol for digital audio supported by many manufacturers. Typically MADI is used for multi-channel recording and playback. Long coaxial cable runs are possible depending on the driver capability of the hardware, making it a frequent choice of equipment interconnection in gigs, studios, and broadcast applications. A 490' cable-run is reliable MADI to MADI using 75ohm Belden 1505A cable. MADI cables are directional, so there is one connector for MADI-out, and one for MADI-in. It is a point-to point interface between a source and a destination. Madi gives access to 64 input and 64 output channels and can be fitted to:

  • Port B expansion slot in iLive fixed format MixRacks (iDR-16, iDR- 32, iDR-48 & iDR-64) or expander (xDR-16)
  • Port B and/or Port A of iLive modular MixRacks (iDR0, iDR10) if fitted with the RAB-2 standard.
  • Port A of iLive modular Surfaces 80/112/144/176 if they are fitted with the new RAB-2 standard.
  • I/O Module slot in GLD-80.
  • Dual Link Mode: Connect and stream with two separate devices. Inputs to the system can be patched from the two MADI streams in blocks of 8, while the same outputs are broadcast on both links. Redundant Mode: Link 1 and Link 2 can be used as a redundant pair. Audio and clock will continue if one of the cables fails. Aux BNC:
  • Out 1 mirror: This mode duplicates the MADI stream 'Out 1', useful for splitting signals to multiple devices.
  • In 1 Thru: The MADI stream 'In 1' is passed 'thru', allowing daisy chaining of signals to an unlimited number of devices. The signal is fully re-clocked and buffered for optimal reliability, and the signal will automatically switch to 'In 2' if 'In 1' fails in redundant mode.
  • WordClock IN: Provides a word clock input to sync the system from an external (48 kHz) source, for example a distributed word clock. This is a high-sensitivity input, locking to a word clock signal as low as 200 mV p-p.
  • WordClock OUT: A standard word clock output to allow other systems to sync from the iLive system, useful when connecting to 3rd party MADI devices which may not be able to sync from the MADI stream.
  • Specifications:

  • Inputs:
    • 2 x MADI: Ultra high-sensitivity equalizing receivers. 56 or 64 channels (auto detect), 24 bit. (AC-coupled)
    • Word Clock: High-sensitivity down to 200 mV peak-peak with 75R termination. (AC-coupled)
  • Outputs:
    • 3 x MADI: Standards compliant, low jitter transmitters. 64 channels, 24 bit. (Including 'Aux' BNC)
    • Word Clock: 5 V peak-peak through 75R source termination
  • Indicator Lights: Per MADI Input: link/activity (yellow), Stream Error (red). 'Aux' BNC mode indicators (yellow).
  • Sync Source: MADI Link 1, MADI Link 2, Word clock (via 'Aux' BNC)
  • Clock: Audio Clock Sync Range: 48 kHz ?ø?ñ100 ppm
  • Maximum Cable Length: 492.12' (150 m) (A&H ? A&H) 492.12' (150 m) (3rd party ? A&H) 164.04-328.08' (50-100 m) (3rd party ? A&H) (consult 3rd party documentation) 984.25' (300 m) (A&H ? A&H, mains filters on both devices)
  • Packaging Info
  • Package Weight: 1.0 Lbs


  • Model: MMADIA
    Manufacturer: Allen & Heath
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