The Grace Design m905 DAC Upgrade Kit For m905 Analog Reference Monitor Controller adds AES, S/PDIF, and ADAT digital inputs with an asynchronous Class 2 USB 24-bit/192 kHz digital to analog converter to the existing analog monitor controller’s balanced and unbalanced analog inputs. The device is designed to deliver mastering-quality monitoring to your home or professional studio.
The unit allows you to switch between a variety of input sources. Additionally, the unit has three stereo pairs of balanced speaker outputs with two assignable mono sub outputs, giving you a versatile selection of monitoring options when mixing or mastering.
Features:
• Balanced and unbalanced analog inputs
• CUE & talkback mic
• 2x AES3 , 1x S/PDIF, 1x TOSLINK, ADAT (selectable in 4 pairs, or 2 pairs in S/MUX), USB & DSD128 (5.6448MHz)
• Audio circuitry designed for transparent playback
• Asynchronous Class 2 USB playback supports up to 24-bit/192 kHz
• Mastering-quality DAC circuitry with configurable de-emphasis filtering
• s-lock dual-stage Phase Lock Loop for 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, and A & C weighting
• Precision 0.5 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
• 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 available
• 3 available stereo speaker outputs, with 2 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