24x26 I/O with 8 mic/line/instr, 48-ch mixing Thunderboltâ„¢/AVB Ethernet/USB audio interface with DSP
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Mac & Win
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The 8M is so flexible, it can serve many roles — in the studio, on stage, and throughout an installation. The Quick Setup menu lets you instantly reconfigure the 8M for many common situations, from operation as a standard audio interface to serving as a network "snake" from one location to another. Once a preset is chosen, you can easily customize the routing grid and mixer settings to further suit your specific needs — and then save your own custom presets.

Technical Specifications

Sample rates       44.1,48, 88.2, 96, 176.4, 192 kHz

Analog inputs     8 xXLR/TRS combo-style mic/line/instrument inputs

Preamp gain: 0 to +53 dB (digitally controlled)

TRS max level with pad: +17 dbU (V-limit at +7)

Analog outputs  8 x1/4" TRS line out (balanced, DC coupled)

Max level: +20 dBu (digitally adjustable -4 to +20)

1 x 1/4" TRS stereo headphone

Digital I/O           2banks (16 ch) of ADAT optical at 1x sample rates

1 bank (8 ch) of SMUX optical at 2x sample rates

Stereo TOSLink (optical S/PDIF) on Bank A (optional)

Total I/O              24inputs and 26 outputs (50 total) at 1x sample rates

16 inputs and 18 outputs (34 total) at 2x sample rates

8 inputs and 10 outputs (18 total) at 4x sample rates

Computer I/O     1 xThunderbolt (compatible with 1 and 2)

1 x USB 2.0 audio class compliant

      USB 3.0 and iOScompatible

1 x AVB Ethernet (requires OS X Yosemite)

Computer I/O channels   Thunderbolt(44.1 to 96 kHz): 128 in/out

Thunderbolt (176.4 to 192 kHz): 64 in/out

USB 2.0 (44.1 to 48 kHz): 64 in/out

USB 2.0 (88.2 to 96 kHz): 32 in/out

USB 2.0 (176.4 to 192 kHz): 24 in/out

AVB Ethernet: 16 to 128 in/out, depending on

      host computerspeed

Sync I/O               1x word clock in

1 x word clock out

Network I/O       1 xRJ45 AVB/TSN Ethernet (1 Gbps)

AVB streams

(8 channels per stream)   16in / 16 out @ 44.1 or 48 kHz

16 in / 16 out @ 88.2 or 96 kHz

8 in / 8 out @ 176.4 or 192 kHz

Headphone         1 x1/4" TRS stereo phone (assignable)

Phantom power 8 xindividual +48V

Front panel         1 x1/4" TRS headphone output

1 x digital rotary encoder phone volume

8 x digital rotary encoders mic preamp gain

16 x switches (8) Pad and (8) 48V Phantom switch

324 x 24 pixel LCD for level meters / menu nav

1 x AC power switch

Power   International100-240V autoswitching supply

50-60 Hz 0.5A max


and weight          (widthx depth x height, enclosure only)

19 x 7 x 1.75 inches

48.3 x 17.75 x 4.5 cm

4.6 lbs / 2.08 kg

with rack brackets removed:

17.25 inches (43.8 cm) wide

4.5 lbs / 2.04 kg

Mac System Requirements

1 GHz Intel-based Mac or faster

2 GB RAM; 4 GB or more recommended

Mac OS X version 10.8 or later

Available Thunderbolt, USB 2.0 or AVB Ethernet port*

A large hard drive (at least 500 GB for recording)

*AVB Ethernet audio interface operation requires OS XYosemite

Windows System Requirements

1 GHz Pentium-based PC compatible or faster

2 GB RAM; 4 GB or more recommended

Windows 7, 8 or 10

Available USB 2.0 or 3.0 port

Available Ethernet port for firmware updates

A large hard drive (at least 500 GB for recording)

Web App Support

Any web client platform: Mac, Windows, Linux, iOS, Android

Any web browser: Safari, Firefox, Chrome, Opera, Explorer,etc.

Web client must be connected to the same network as the MOTUAVB interface by wire or Wi-Fi.

Included Software

Thunderbolt and USB 2.0 drivers

MOTU Discovery App for Mac & PC (finds connected MOTUinterfaces)

MOTU Discovery App for iOS (available from Apple App Store)

MOTU Pro Audio Control web app (served from the hardwareitself)

MOTU Audio Tools (FFT, oscilloscope, X-Y plot, phaseanalyzer)

AudioDesk 4.0 for Mac & PC (separate download)

Operating Systems

For computer audio I/O: Mac OS X 10.8 or later; Windows 7 orlater

For web app control: Mac, Windows, Linux, iOS, Android

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