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RME ADI-642 MADI Format Converter

24 Bit / 192 kHz, 2 x 8-channel MADI <> AES/EBU Converter, 19", 1HU


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Product Description for the RME ADI-642 MADI Format Converter

The ADI-642, an 8-Channel format converter from MADI to AES and vice versa, is the latest addition to RMEs successful MADI series. Amongst other applications, the unit can serve as ideal AES/EBU frontend for the Hammerfall DSP MADI PCI card. Up to 192 kHz at 24-Bit are supported. Its most outstanding feature is an easy-to-use 72 x 74 routing matrix, which can assign an individual input channel to every single output channel, allowing free configuration of all 64 MADI channels and the 8 AES channels. Additional features include:

  • direct support for MADI Double and Quad Wire
  • Automatic Delay Compensation when using more than one unit
  • Analog stereo monitor output, up to 192 kHz
  • Detailed status display for MADI and AES
  • Completely remote controlable via MIDI
  • Transfer of MIDI data via MADI
  • SteadyClock for maximum jitter reduction and clock regeneration

The compact unit with 19" width and 1 unit height serves as format converter MADI to/from AES (Schematic View). MADI handles 64 channels of 24-Bit audio at sampling frequencies up to 48kHz, 32 channels up to 96kHz, and 16 channels up to 192kHz. All channels are transferred across a single cable, either coaxial (BNC) or optical network cable. In both cases, cable lengths of more than 100 meters can be achieved. The AES/EBU channels are provided via 4 XLR inputs and outputs, respectively. The ADI-642 accepts 56 channels and 64 channels as well as 96k frame at its input, and can be set to generate those formats at its output. This way the ADI-642 even serves as perfect interface between otherwise incompatible MADI devices.


Input MADI: 1 x BNC, 1 x optical

Output MADI: 1 x BNC, 1 x optical

Input AES/EBU: 4 x XLR, electrically isolated, highly sensitive input stage (< 0.3 Vpp), SPDIF compatible

Output AES/EBU: 4 x XLR, transformer balanced, 5 Vpp

Input word clock: BNC, Signal Adaptation Circuit (functional from 1.2 Vpp)

Output word clock: BNC, low impedance driver stage, 4 Vpp into 75 Ohms, short-circuit-proof

MIDI input and output: via two 5-pin DIN jacks

Sync sources: MADI, AES, word clock, internal

Varipitch: by input signal or word clock

Sample frequencies: 44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz, 176.4 kHz, 192 kHz, variable (sync/word clock)

Sample rate range: MADI: 32 - 192 kHz, word clock: 27 kHz - 200 kHz, AES: 28 kHz - 200 kHz

Jitter: Internal clock < 1 ns, external clocks < 1 ns

Jitter suppression: >30 dB (2.4 kHz)

Jitter sensitivity: all PLLs operate error-free even at 100 ns

Power supply: Internal switching mode PS, 100V - 240V AC, 20 Watt

Warranty: 2 years

Brand RME
Weight 4.4000
Dimensions (WxHxD) 19" x 1.75" x 9.5"

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