GRACE DESIGN m905 — Monitor Controller
GRACE DESIGN m905 — Monitor Controller
Grace Design m905 is a stereo monitor controller, DAC and headphone monitoring system with a 2U rackmount mainframe and desktop remote control unit.
Specifications
Format and Control
| Product type | Stereo monitor controller with DAC, headphone amplifier and remote control unit |
|---|---|
| Mainframe | 2U rackmount mainframe with separate hardware/GUI remote control unit |
| Level control | 0.5 dB stepped level control for speakers and headphones |
| Display | Remote control unit with color graphical LCD, hardware switches and rotary encoder |
Inputs and Digital Audio
| Digital inputs | 2 x AES3, 1 x S/PDIF, 1 x TOSLINK, ADAT and USB |
|---|---|
| Usb audio | Asynchronous USB Class 2, up to 24-bit/192 kHz; can transfer up to 10 digital audio channels |
| Dsd support | DSD64 and DSD128 via DoP v1.1 over USB, AES3 or S/PDIF |
| Analog inputs | Balanced, unbalanced, CUE, talkback mic and optional RIAA phono input; m905 Analog version adds a second balanced input pair |
Monitoring Outputs
| Speaker outputs | 3 stereo speaker outputs |
|---|---|
| Sub outputs | 2 assignable mono sub outputs or 1 stereo sub output |
| Headphone outputs | Reference headphone amplifier outputs on RCU and ACU |
| Digital outputs | Digital loop-thru outputs can pass incoming digital signals or act as digital speaker outputs for PCM sources |
Physical
| Dimensions | Main chassis 3.5 x 10.5 x 17 in; remote 8.9 x 5.1 x 2.2 in |
|---|---|
| Weight | Main chassis 7.8 lb; remote 2.2 lb |
Fit and constraints
Intended use
Constraints
To use it
Questions
Which connections, drivers, operating systems, and sample rates are supported by this exact revision?
Ask before you buy via contact. Confirm power, condition grade, and included items against the listing photos.
What cables, mounts, power supplies, or licenses are included?
Ask before you buy via contact. Confirm power, condition grade, and included items against the listing photos.
Is the current retailer listing new stock, demo stock, open box, or special order?
Ask before you buy via contact. Confirm power, condition grade, and included items against the listing photos.
Description
Grace Design m905 is a stereo monitor controller, DAC and headphone monitoring system with a 2U rackmount mainframe and desktop remote control unit. The digital version provides analog inputs, cue and talkback facilities, 2 AES3 inputs, S/PDIF, TOSLINK, ADAT and asynchronous USB Class 2 audio up to 24-bit/192 kHz, plus DSD64/DSD128 via DoP over USB, AES3 or S/PDIF. Monitoring features include 0.5 dB stepped speaker and headphone level control, three stereo speaker outputs, assignable sub outputs, mono/dim/mute/sub mute functions, talkback mic, SPL metering and digital loop-thru or digital speaker outputs. Grace lists s-Lock PLL clock regeneration and an optional RIAA phono module. Retailer data identifies black-finish MPN m905-BK and physical dimensions/weights for the chassis and remote.