Audio Technologies MCDA-112
Studio Master Word Clock and 1x12 Distribution Amp, Ultra-Low Jitter


When you work with digital audio, you need a stable sync reference for all of your audio components. The MCDA-112 provides both an ultra-stable clock reference and a 1x12 clock distribution amplifier in a single 1RU enclosure.

As a master clock generator, the MCDA-112 provides a total of 12 Word Clock or Super-Word Clock output signals to sync up to 12 devices in your studio. You can select between 44.1, 48, 88.2, 96, 176.4 and 192 kHz sample rates with a dedicated front panel button.

The MCDA-112 can also function as a 1x12 Clock Distribution Amplifier, accepting AES, Word Clock or Super-Word Clock as an external input and providing either Word Clock or Super-Word Clock to all 12 of its outputs.

Designed for the most discriminating studios, the MCDA-112 bears the ATI Digital Audio logo assuring top performance and innovative circuitry. The internal clock reference is derived from a 24 MHz precision oscillator and divided down to achieve an ultra-stable signal, rather than multiplying up from a base reference as in some other units. All functions are fully addressable from the front panel, and a unique front panel control lock can protect your settings.


  • AES3, AES11 Word and Super-Word Clock inputs
  • 44.1, 48, 88.2, 96, 176.4 and 192 kHz clock reference
  • Divide-Down Ultra-Low jitter clock with exceptional stability
  • 12 isolated Word or Super-Word outputs
  • Front panel lock protects your settings
  • Easy to use and ultra-reliable


  • Connectors: XLR female for AES3, BNC for Word Clock and Super-Word Clock
  • Level: XLR 0.2Vp-p minimum; BNC 0.1Vp-p minimum
  • Impedance: Transformer isolated, balanced and floating, XLR 110 ohms, BNC 75 ohms; input terminations may be switched in or out via front panel control
  • Clock: Filtered and reconstructed from external input signal with dual mode PLL
  • Sync Frequency: 22 to 216kHz


  • Sync Out Connectors: 12 x BNC
  • Level: 2Vp-p loaded
  • Impedance: 75 ohms, unbalanced
  • Loop-Thru: XLR-M and BNC


  • External Clock Format: AES, Word Clock or Super-Word Clock
  • Sample Rate: 32, 44.1, 48, 88.2, 96, 176.4 or 192 kHz
  • Output Clock Format: Word Clock or Super-Word Clock
  • Input Termination: Terminated or Off
  • Clock Source: Internal or External


  • Power: Internal supply, 115/230VAC +/-10%, 50/60Hz, 10VA IEC320 3-pin connector
  • Size (W x H x D): 19" x 1.75" x 8.5"; 1 RU package
  • Weight: 7 lbs net; 9 lbs shipping weight
  • Warranty: Limited, One Year Warranty
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