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SKU

29805

Grace Design m905 Monitor Controller

High-fidelity stereo monitor system with remote
MFR# m905

Product Description

The Grace Design m905 represents a new benchmark for audio playback quality. DAC performance is on par with the finest esoteric mastering equipment available. The redesigned s-Lock PLL ensures ultra-low jitter clock regeneration. An asynchronous USB class 2 interface allows the m905 to act as the master clock of the computer’s USB audio buss, effectively eliminating interface induced jitter for computer audio playback. And finally, meticulous analog circuitry measures with outstanding numbers in dynamic range, distortion and noise performance, ensuring bracingly open, detailed and musical playback of any input source.

All main audio and power supply circuitry is housed in a 2U rack mount mainframe, while system control is managed by a sleek, ergonomic remote control unit. This new RCU is a combination of dedicated hardware and a color graphical LCD display. All primary monitoring features are accessed via hardware switches and a rotary encoder, while all system information is presented by the graphic LCD and illuminated switches. This hybrid design allows for the solid feel and function of traditional hardware with the added power and functionality of a graphical user interface.

Now supported is DSD 128x (5.6448MHz) via DoP v1.1 (DSD over PCM frames). DSD audio can be sourced from the AES3, S/PDIF or USB digital inputs. While still a niche playback format, DSD has held its ground over the years, and now more and more content is available via download. And playback is now supported by a number of players. DSD sounds stunningly natural, especially rendered through the rest of the playback circuitry of the m905. So If you’re the type to seek out this kind of fidelity, the m905 is a great way to enjoy it.

The GUI is designed so that any engineer unfamiliar with the m905 can use the system immediately and confidently. Then with a minimal time investment, advanced functions can be accessed and controlled with ease. Additional features include: naming individual inputs and speaker outputs, calibrating level offsets of any input and output, setting preset levels, and much more. The setup menus only ever drill down one level, so the main operating screen is always one button away. And when returning to any previously visited setup menu, its previous edit status is remembered, keeping redundant navigation and editing to a minimum.

The m905 offers the ability to transfer up to 10 channels of digital audio (8-channels of ADAT and two of AES3, or S/PDIF or TOSLINK) over USB to a computer, making the m905 capable of operating as a standalone USB audio interface. This is an advanced feature as there are clock issues to be aware of, but it works and is documented in the owners manual.

With stunning sonic performance and timeless design, the m905 is a mark of genuine progress in the pursuit of high quality audio production. Intuitive, reliable and beautiful, it is the perfect studio centerpiece – home base for your ears, eyes and hands.

Features:

  • Analog inputs – unbalanced (standard or the optional RIAA phono input), balanced (2nd pair balanced available on m905 Analog), CUE, talkback mic
  • Digital inputs – 2x AES3 (Single or dual-wire), 1 S/PDIF, 1 TOSLINK, ADAT (selectable in 4 pairs, or 2 pairs in S/MUX), USB, DSD128 (5.6448MHz)
  • 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
  • Hybrid RCU with hardware switches, large level encoder and graphical LCD
  • LCD display shows input, level, output, SPL and DAC status plus a full calibration menu
  • RCU includes built in microphone for talkback and onboard SPL meter
  • SPL meter features include 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 ACU
  • Dedicated mono, dim, mute and sub mute switches
  • Digital loop thru outputs that can be configured to pass incoming digital signals or as a digital speaker output when monitoring digital PCM sources
  • Mono mode can be set to L+R summed, L only in both channels, or R only in both channels L solo, R solo, L-R and sub solo modes are available
  • 3 available stereo speaker outputs, with two assignable mono sub outputs (or single stereo sub output)
  • Multi-mode SUB/ DAC/ METER out
  • SUB out mode for stereo or multiple mono subwoofer outputs
  • DAC out mode for a fixed DAC output fed by the selected digital input
  • METER out mode fed by selected input signal (digital or analog), configurable with a fixed level or to follow the monitor level
  • Detachable RCU tilt base

Product Specifications

ConditionNew
Digital I/OYes
Chassis19-inch Rack-mount
Input ConnectorsAES/EBU XLR, Analog XLR, BNC, Optical, RCA, S/PDIF Coaxial
Output ConnectorsAnalog DB25, Analog XLR, S/PDIF Coaxial

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In almost 20 years in Pro audio buying, never did I receive a unit so well packed and exactly as described. Works flawlessly. The whole process has been so smooth. I will never hesitate to do business with you guys in the future and will recommend you to everyone I know.
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This was my first experience buying something from Vintage King (although I surf the "used" categories on the website frequently!), and, despite being on the other side of the world, I had absolutely no trouble and everything went very smoothly.
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The speed of delivery exceeded my expectations! I was VERY pleased that my shipment arrived in time for a scheduled vocal tracking session. The packing insured that my order arrived safely. And the sales staff responded quickly to questions regarding the product.
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