Grace Design
Grace Design m908 AD8
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Grace Design m908 AD8 is a multi-channel monitor controller with 8-channel A/D conversion, supporting formats from stereo to Dolby Atmos and Sony 360RA, up to 22.2. The configuration without a network module provides a full complement of analog inputs and outputs plus digital I/O in AES3, ADAT and USB standards, making it a reference, self-contained multi-channel monitoring system for recording studios and post-production facilities, with room to expand both analog inputs and network connectivity.
Reference immersive monitoring with flexible expansion
An engineer working in Dolby Atmos or Sony 360RA needs a controller handling 24 channels simultaneously with minimal jitter and precise room correction. The m908 AD8 delivers this in one system: the latest generation A/D and D/A converters, a fourth-generation s-Lock PLL and 12 bands of parametric room correction EQ across each of 24 channels — 288 bands in total in 64-bit fixed-point filters. The starting configuration with one ADC module provides 8 analog input channels expandable to 16 by adding a second module, and the free option slot will accept a Dante, Ravenna or Digilink card as the studio grows.
Extensive I/O and full session control
Standard digital inputs cover 68 channels via AES3, ADAT, USB, S/PDIF and TOSLINK, providing flexible integration with DAWs, converters and digital players. 16-channel balanced analog outputs and 24-channel AES3 Out handle both active monitors and external processors. Sonarworks SoundID Reference integration, a driver-free browser-based web interface and an RCU remote with talkback, SPL meter and up to 8 CUE paths give full session control. A dual-redundant power supply ensures continuous operation in professional environments.
KEY FEATURES
- Multi-channel monitor controller from stereo to 22.2, Dolby Atmos, Sony 360RA
- 8 analog input channels A/D (1x ADC module, expandable to 16)
- Fourth-generation s-Lock PLL for vanishingly low jitter
- 12 bands of parametric room correction EQ per channel, 288 bands total
- 64-bit fixed-point filters for room correction and bass management
- Standard I/O: AES3, ADAT, USB, S/PDIF, TOSLINK
- Free option slot for future Dante, Ravenna or Digilink card
- Sonarworks SoundID Reference integration (firmware 2.2.2+)
- Driver-free web interface, RCU remote with talkback and SPL meter
- Up to 8 CUE paths and dual-redundant power supply
TECHNICAL SPECIFICATIONS
- Manufacturer: Grace Design
- Type: multi-channel immersive / stereo to 22.2 monitor controller
- Configuration: m908 AD8 (ACU + RCU + PSU), no option module
- Standard digital inputs: 24-channel AES3, 16-channel ADAT, 24-channel USB, AES3/S/PDIF/TOSLINK stereo
- Analog inputs: 8 channels A/D (1x ADC module, expandable to 16)
- Option slot: free (Dante, Ravenna or Digilink card addable)
- Standard outputs: 16-channel balanced analog, 24-channel AES3, 24-channel USB2
- DSP processor: 24 channels simultaneously, up to 192 kHz / 24 bit
- Room EQ: 12 bands per channel, 64-bit fixed-point filters, 288 bands total
- Clocking: 4th-generation s-Lock PLL, word clock BNC In/Thru-Out
- Control: web interface, RCU remote, GPIO
- Talkback: built-in mic in RCU, external 1/4" TRS input
- Power supply: dual-redundant, 100-240 V AC
