Grace Design
Grace Design m908 AD16 Ravenna
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Grace Design m908 AD16 Ravenna is a multi-channel monitor controller with 16-channel A/D conversion and a Ravenna/AES67 network module, supporting formats from stereo to Dolby Atmos and Sony 360RA, up to 22.2. A system composed of an Audio Control Unit, a Remote Control Unit and a power supply with dual-redundant modules, it delivers transparent, reference-grade monitoring for immersive audio engineers in recording studios, post-production facilities and installations.
Reference immersive monitoring from stereo to 22.2
An engineer working in Dolby Atmos or Sony 360RA needs a controller handling 24 channels simultaneously with minimal jitter and surgical room correction. The m908 AD16 Ravenna 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 per channel — 288 bands in total — in 64-bit fixed-point filters. Integration with Sonarworks SoundID Reference lets you import speaker correction directly into the m908 without running background software.
Ravenna/AES67 and 16 analog inputs in one system
The AD16 Ravenna configuration combines two 8-channel ADC modules with a Ravenna/AES67 card based on the Merging ZMAN module. The card provides 32 channels of network audio I/O up to 192 kHz over two Gigabit Ethernet ports, working natively with Merging Ravenna systems and, thanks to AES67/SMPTE ST2110 compliance, with Dante in AES67 mode and other audio-over-IP networks. The m908 web interface runs in a browser with no driver installation, and the RCU remote with a built-in talkback mic, SPL meter and up to 8 CUE paths gives full session control in real time.
KEY FEATURES
- Multi-channel monitor controller from stereo to 22.2, Dolby Atmos, Sony 360RA
- 16 analog input channels A/D (2x 8-channel ADC module)
- Ravenna/AES67 network module (Merging ZMAN): 32 channels I/O up to 192 kHz
- AES67/SMPTE ST2110 compliance and Dante in AES67 mode
- Two Gigabit Ethernet ports (Primary and Secondary)
- 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
- Sonarworks SoundID Reference integration (firmware 2.2.2+)
- Driver-free web interface, RCU remote with talkback and SPL meter
TECHNICAL SPECIFICATIONS
- Manufacturer: Grace Design
- Type: multi-channel immersive / stereo to 22.2 monitor controller
- Configuration: m908 AD16 Ravenna (ACU + RCU + PSU)
- Standard digital inputs: 24-channel AES3, 16-channel ADAT, 24-channel USB, AES3/S/PDIF/TOSLINK stereo
- Analog inputs: 16 channels A/D (2x ADC module)
- Ravenna module: 32 channels In/Out, 44.1-192 kHz, Merging ZMAN, 2x Gigabit Ethernet
- 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
