Grace Design M108
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What you need to know
What you need to know
- 8 transparent mic preamps with a wide gain range of -8 to 74 dB, compatible with ribbon microphones.
- 8-channel conversion up to 192 kHz via AES, ADAT, and USB Class 2, with Word Clock I/O.
- Advanced control locally, remotely (RS485/RS422/MIDI), via RJ45 network or Pro Tools integration; optional DANTE.
- Integrated monitoring: balanced analog outputs, reference headphone amplifier with low latency, and front panel Hi-Z inputs.
Manufacturer Information
Grace Design
https://www.gracedesign.com
info@gracedesign.com
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Woodbrass.com
Email: support@woodbrass.com
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An 8-Channel Solution Designed for Modern Production Environments
Designed to integrate at the heart of a studio or stage, this preamp/converter combines an ultra-quiet gain topology with high-resolution conversion. The high-contrast OLED screen facilitates reading and settings adjustment even in low-light conditions, while fan cooling ensures stability during long sessions.
Who Is It For and What Are Its Uses?
Ideal for professional studios, broadcast, and multichannel live recording, it excels on demanding sources: acoustic ensembles, vocals, ambient recordings, or instruments with wide dynamic range. Remote control allows placing the unit close to microphones, reducing cable lengths and optimizing signal-to-noise ratio, while managing gain and routing from the control room.
Key Features for an Uncompromising Workflow
Pre-amplification and Headroom
Each channel offers a wide gain range from -8 to 74 dB to precisely adjust levels, from ribbon microphones to the most sensitive condensers. Front-panel high-impedance inputs facilitate direct instrument connection without additional boxes.
192 kHz Conversion and Synchronization
The conversion section ensures faithful reproduction up to 192 kHz. The Word Clock input/output guarantees solid synchronization with the rest of the digital setup, whether working with AES, ADAT, or via USB Class 2.
Control and Network Integration
Besides local control, the device can be controlled via RS485/RS422/MIDI (m802 RCU remote control or Pro Tools integration) and through the RJ45 network. An optional Audinate/DANTE slot provides access to audio-over-IP transport for large-scale configurations.
Low-Latency Reference Monitoring
The built-in headphone amplifier, powered by a dedicated D/A converter, offers direct monitoring of a pair of channels or computer playback with minimal latency, ideal for musicians and recording engineers.
Technical specifications
| Number of channels | 8 | Rack unit | 1 |
| Wide gain range | -8 to 74 dB | ||
Questions frequently asked
Grace Design M108: How many preamp channels are available?
The 8 preamp channels are housed in a 1U rack-mount chassis. Each channel features a gain range from -8 to 74 dB.
Does the M108 operate via USB with a computer?
The USB Class 2 connection enables integration into a computer system, with conversion capabilities up to 192 kHz.
Is the preamp compatible with Dante?
The optional Audinate/DANTE slot allows integration of audio over IP transport. The Dante card is not indicated as included. Network control is performed via an RJ45 connection.
What gain range is provided for ribbon microphones?
Each channel offers adjustable gain from -8 to 74 dB, a range suitable for ribbon microphones as well as sensitive condenser microphones. Front-panel high-impedance inputs also allow direct instrument connection.
How does the M108 headphone monitoring work?
The built-in headphone amplifier is based on a dedicated D/A converter. Direct monitoring of a pair of channels or a computer return is offered with minimal latency.



