UPC/EAN #823821090575     MPN #A905    


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This is the world's finest stereo monitor controller, with built in mastering quality DAC, audiophile-grade headphone amplifier and unrivaled system configuration tools.

The m905 is our second generation stereo monitor controller, engineered from the ground up to provide unrivaled audio playback performance with a comprehensive and intuitive feature set.

Included are all requisite professional audio inputs and outputs, both analog and digital, with an asynchronous USB input for jitter free 24/192 computer playback. Outputs include 3 stereo speaker sets, two subwoofer, and our reference headphone amplifier.

The remote is powerful, clean and ergonomic. It includes a headphone output, talkback microphone, and dedicated real time SPL meter. Controls are designed so that anyone unfamiliar with the system can operate it immediately and intuitively, then with a minimal time investment advanced setup and calibration features are accessed and programmed with ease.

The m905 offers more monitoring management features than any current monitor controller. But its true essence is as the most sonically reliable and innate centerpiece available for your studio - homebase for your ears, eyes and hands.
  • Analog inputs: unbalanced, balanced, CUE, Talkback mic
  • Digital inputs: 2x AES 3, 1 S/PDIF, 1 TOSLINK, ADAT (selectable in 4 pairs, or 2 pairs in SMUX),
  • USB Audio circuitry designed for completely transparent and musical playback performance
  • Asynchronous Class 2 USB playback supports up to 24 bit/192kHz
  • Mastering quality DAC circuitry with configurable de-emphasis filtering
  • S-lock dual-stage Phase Lock Loop for ultra low jitter clock regeneration
  • Sleek, ergonomic hybrid RCU with hardware switches, large level encoder and graphical LCD
  • LCD display shows input, level, output, SPL and DAC status plus a powerful calibration menu
  • SPL meter sourced by built in RCU mic - includes level, peak, fast and slow modes, A & C weighting
  • Precision .5 dB step level control for speakers and headphones
  • Reference headphone amplifier circuitry, with outputs on both the RCU and mainframe
  • Built in crossfeed circuit for simulating loudspeaker listening with headphones
  • Dedicated mono, dim, mute, sub mute switches
  • Mono mode can be set to L+R summed, L only in both channels, or R only in both channels
  • 3 available stereo speaker outputs, two available as 2.1
  • Multi-mode SUB/ DAC/ METER out SUB out mode for stereo or multiple mono subwoofer outputs
  • Digital loop thru output - fixed source (AES,SPDIF,TOSLINK) or follows the digital input source
  • DAC out mode for a fixed DAC output fed by the selected digital input, level calibration from 0-100
  • METER out mode fed by selected input signal (digital or analog), level calibration from 0-100 or post speaker fader level
  • - m905 IR Remote is included. This feature allows wireless infrared remote control of a select set of monitoring controls via the Grace Design Remote, a standard Apple Remote, or with iOS and Android via the Logitec Harmony Remote.
    Antoine Rotondo
    February 7, 2018
    Effortless listening
    The first thing I noticed when I listened on the Grace was an immediate sense of effortlessness compared to my previous audio interface. The sound is full and by that I mean instead of peaky high frequencies and phasiness, you get a smooth top end but less bright than a coloured audio interface, as well stable mids and lows- it's almost as if I can hear details longer- sounds do not jump at you in a weird unnatural way depending on what is going in the music, and I'm going to assume this is a result of less phase shift and a better frequency response. Read more
    Joel Tatelman
    Toronto, ON
    February 24, 2017
    Grace m905 Analogue: the Audiophile's choice!
    I've used the Grace m905 Analogue since Fall 2016 as a straight line-level preamplifier to drive a pair of Meyer Sound Labs X-10T monitors with Meyer Sound X-400C subwoofers. I resisted for weeks, but now must admit that I prefer it to the "audiophile" line-stages I have that cost up to five times its price. Read more
    Steve Chahley
    Toronto, ON
    August 13, 2015
    Fantastic sound, quality build, and well thought out features...
    I considered a lot of different DAC/monitor controllers before deciding to give this one a try, and I couldn't be happier with the decision.

    The features are very well thought out - love the remote's LED screen, and the ability to customize the input and output names. Read more
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