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SKU

62216

Grace Design m108 8-Channel Remote Preamplifier and A/D Converter

8-channel remote preamplifier with AES, ADAT and USB A/D conversion
MFR# m108

Product Description

From 25 years experience of creating acclaimed professional audio products, comes the latest evolution of mic preamplifier design: the m108. With eight channels of transparent, musical mic preamplification, state of the art A/D conversion, multiple digital output formats, and flexible local or remote controlled operation, the Grace Design m108 is a vital addition to any modern audio production environment.

Unrivaled Performance

Based on the acclaimed success of the m802 remote controlled mic preamplifier, the m108 distills the best of these achievements into a sleek, elegant 1U chassis design. Grace Design's transformerless, transimpedance mic preamp design is unmatched in its ability to effortlessly resolve complex sonic waveforms, resulting in recordings of amazing clarity and depth. Integrated A/D conversion delivers digital signals to the workstation that are pure and beautiful. Latest generation s-Lock PLL ensures pristine, jitter free sample clock when clocking from external word clock or Dante clock. And an asynchronous mode USB interface provides the best possible jitter performance when connected to a computer.

Simple Operation

A push-button rotary encoder is used for navigating and operation, with a user interface that is simple and intuitive. Dedicated push-buttons are assigned to core functions: 48V phantom power, phase reverse, channel grouping and meter peak clear. A crisp OLED screen displays complete system information, including channel gain settings, metering, peak status, and the system setup menu.

Powerful Configuration

Out of the box, the m108 is ready to go as a stand alone mic preamp / ADC. With integrated serial or MIDI control, the m108 can be configured in large channel-count remote systems, with control from the existing m802 hardware remote control unit, from Pro Tools, the forthcoming m108 control app, or even simply over ethernet with any modern web browser. And an optional DANTE™ interface is provided for network audio configurations. The m108 control protocol is backward compatible with the m802 so you can add m108’s to an existing m802 system.

Features:

  • 8 channels of balanced analog preamp outputs
  • 8 channels of transparent, musical mic preamps
  • Wide gain range: -8 to 74 dB
  • Ribbon mic mode
  • 8 channels of 192 kHz ADC outputs via AES, ADAT (4ch SMUX) and USB Class 2
  • External Word clock in and out
  • Reference DAC and headphone amplifier for low-latency monitoring of channel pairs or USB playback from a computer
  • Channel 1 & 2 HI-Z inputs on front panel
  • High contrast, wide viewing angle OLED display for all system parameters and setup menu
  • Combination RS 485/422 serial / MIDI ports for control from existing m802 RCU or Protools™
  • Control App (Win and Mac, coming soon) can control up to 96 channels over Ethernet
  • Simple web browser control built in, works with all modern browsers including iOS and Android
  • RJ45 Ethernet port for network control
  • Expansion slot for optional Audinate / DANTE™ network audio card
  • Cooling fan for reliable operation in the harshest environments
  • Built in 100-240VAC universal AC power supply
  • 5 year transferrable warranty
  • Made in the USA

Product Specifications

ConditionNew
Chassis19-inch Rack-mount
Rack Spaces1u
Input Connectors1/4-inch TRS, Analog XLR
Output ConnectorsAnalog DB25, Optical
Computer ConnectionUSB
MIDI ConnectionsIn, Out
Digital FormatADAT, AES/EBU, SMUX

Product Reviews

5 out of 5 stars.
Review Count (2)

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Ive been working with audio for about ten years and the M108 is one the best gear purchases I’ve made. The build quality is excellent the sound is clean with just a hint of color with good headroom. I’m very satisfied with this purchase.

By Luarthur C on September 8, 2021

I've a long history with Grace preamps. I had a Lunatec V2 back in the day to do live concert taping on DAT. But I migrated into live sound and got away from top-end gear.

More recently I've been doing more acoustic and choral music recording. I wasn't entirely satisfied with the preamps in my Apogee Ensemble Thunderbolt or many midrange outboard preamps I tried for this application. They lacked that "something" my clients desired. Despite DPA, Sennheiser, Shure, Royer, and other mics, I suspected the preamps were limiting the dynamics, imaging, and tonality of those mics. I wasn't wrong. The Grace preamp is clear, detailed, uncolored, and most importantly for my choral recordings, captures acoustic space brilliantly. Highly recommended as an outboard preamp or as the primary interface for 8-ch remote capture via USB.

By Christopher G on April 10, 2019

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