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Author Topic: 19" Motu 2408 Mk3 (Aug 2002)  (Read 3822 times)

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Offline chrisNova777

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19" Motu 2408 Mk3 (Aug 2002)
« on: February 15, 2019, 05:07:58 PM »

CAMBRIDGE, MA – August 21, 2002. MOTU, Inc. ( unveiled the 2408mk3, a
single rack-space 96 kHz audio interface for Macintosh and Windows personal computers.
This new expandable PCI card-based audio workstation represents a major upgrade to
MOTU’s popular 2408mkII interface, which the mk3 will replace at the same price ($995
for a core system, $695 for expansion I/Os). New features include 96 kHz analog and
digital I/O, expansion up to 96 channels, DSP–driven mixing and monitoring, legacy I/O
support, on-board SMPTE and video synchronization and software-switchable analog input
96kHz recording in four different formats
The rear panel of the 2408mk3 rack-mount interface provides the same connectors as
previous models: 8 quarter-inch balanced TRS analog inputs and outputs, an extra pair
of main analog outs (1/4-inch TRS), three banks of 8-channel ADAT optical “lightpipe”,
three banks of 8-channel Tascam TDIF, RCA S/PDIF (with an extra S/PDIF output), Audio
Wire and BNC word clock I/O.
All four audio formats (analog, optical, TDIF and S/PDIF) support operation at 44.1,
48, 88.2 or 96 kHz. At high sample rates (88.2 or 96 kHz) the 2408mk3 provides up to
12 channels (three 4-channel banks) of digital input and output with Tascam TDIF
devices, such as the Tascam DM-24 digital mixer, or any ADAT optical device that
supports the S/MUX standard for 96 kHz lightpipe, such as Apogee Digital Inc.’s line
of A/D and D/A converters.
Enhanced PCI-424 card offers expansion to 96 channels
A 2408mk3 core system includes the PCI-424, an enhanced PCI audio interface card with
a newly added fourth Audio Wire port that allows users to connect up to four MOTU
audio interfaces to the computer. At 24 channels each, a fully expanded system
provides 96 simultaneous input and output connections at 44.1 or 48 kHz. The PCI-424
MOTU 2408mk3 — Press Release Page 2 of 4
is equipped with new FPGA (Field Programmable Gate Array) technology that is also
capable of handling 96 channels (4 interfaces at 24 channels each) of 96 kHz audio.
Four connected 2408mk3 audio interfaces provide a maximum of 64 simultaneous 96 kHz
inputs and ouputs (32 analog channels plus 32 digital channels).
Similar to previous models, the PCI-424 card also includes an 9-pin ADAT SYNC port,
which allows sample-accurate transfers with other compatible digital devices or
workstation software, such as Digital Performer.
DSP-driven mixing and monitoring
The 2408mk3 is the ideal audio interface for computer-based studios where mixing is
done entirely in the computer and for more advanced installations built around a
digital mixer of any size. For the computer-based studio, the PCI–424 card features
CueMix DSP™, a flexible DSP-driven mixing and monitoring matrix that provides the
same near-zero monitoring latency as today’s latest digital mixers. CueMix DSP™
allows 2408mk3 users to connect keyboards, synth modules, drum machines, and even
effects processors and then monitor these live inputs with no audible delay and no
processor drain on the host computer’s CPU. The CueMix DSP engine resides on the
PCI–424 card, so it works across all interfaces connected to the card. The included
CueMix Console software provides an on-screen mixer that gives users hands-on control
of their monitor mix, regardless of what audio software they prefer to use. Digital
Performer users have the additional option of controlling CueMix DSP directly within
Digital Performer’s mixing environment.
For example, a user could connect the analog output of a synth module to a pair of
2408mk3 analog inputs, and then bus that signal via CueMix DSP to a pair of analog
outputs connected to an effects processor – say a rack-mount reverb unit. The output
from the effects processor could then be fed back into a second pair of 2408mk3 inputs
(just like an aux return) and then routed to audio software running on the host
computer, as well as the 2408mk3 main outputs. The result is that the user can apply
hardware reverb to the live synth input, listen to it on their studio monitors with no
audible delay while also recording it into their workstation software (either wet or
dry), also with no delay. The performance of this signal path is the same as an aux
send/return on a conventional digital mixer. CueMix DSP completely eliminates the
buffer latency associated with host-based recording systems.
For users with fast computers, CueMix DSP can, of course, be combined with signals
monitored through host-based effects as well. A fast computer allows users to drop
their host buffer settings low enough to greatly reduce – and even eliminate – audible
buffer latency. The combination of CueMix DSP and host-based monitoring with effects
processing opens a new world of possibilities for MOTU workstation users.
Support for legacy MOTU PCI interfaces
Users who already own a 2408mkII or other PCI-based MOTU recording system can connect
their legacy MOTU hardware to the PCI–424 card of a new 2408mk3 system. All legacy
PCI-based MOTU interfaces are supported, including the original 2408, 2408mkII, 1296,
MOTU 2408mk3 — Press Release Page 3 of 4
1224, 24i and 308. Users can mix and match legacy interfaces with the new 2408mk3 as
they please. Legacy interfaces can also take full advantage of the PCI-424’s new
CueMix DSP near-zero latency monitoring.
On-board SMPTE and video synchronization
The 2408mk3 is the first audio interface to provide on-board video and SMPTE time code
synchronization features. These features allow users to slave their 2408mk3 system to
video, SMPTE time code or both, without a dedicated synchronizer. The PCI–424 card
provides a DSP-driven phase-lock engine with sophisticated filtering that provides
fast lockup times and sub-frame accuracy. Supported video formats include NTSC,
PAL/SECAM or blackburst.
The pair of RCA S/PDIF jacks on the 2408mk3 rear panel can be switched via software to
become a dedicated SMPTE time code (LTC) audio input and output. However, because the
mk3’s sync features are driven by the PCI–424 on-board DSP, any analog input can be
chosen for SMPTE input, and any active channel, digital or analog, can be chosen as a
SMPTE time code output.
The included software also provides a complete set of tools to generate SMPTE for
striping, regenerating or slaving other devices to the computer. Like CueMix DSP, the
synchronization features are cross-platform and compatible with all audio sequencer

Additional Feature highlights
The MOTU 2408mk3 has the following additional features:
• Software switchable input levels – users can choose +4 or –10dB operation
separately for each analog input pair via software.
• Cable length of up to 50 feet – The 2408mk3 audio interface connects to the PCI–424
card, installed in the computer, via a standard 6-pin IEEE 1394 cable. The PCI–424
supports cable lengths of up to 50 feet. Long cable runs such as this are often
necessary in studios where the computer is housed in a separate room than the
rack–mounted 2408mk3 audio interface.
• Five-segment metering for all analog inputs/outputs – The front-panel metering has
been expanded in the mk3 to provide dedicated five-segment level meters for every
analog input and output.
• Separate Volume knobs for headphones and main outs – Separate front-panel volume
knobs provide independent volume control for the front-panel headphone jack and the
rear-panel main outputs.
• Across-the-board software compatibility — the 2408mk3 ships with a complete set of
drivers for Macintosh and Windows 98SE/Me/2K/XP and it is compatible with virtually
all audio software on both platforms.
MOTU 2408mk3 — Press Release Page 4 of 4
• AudioDesk software – A 2408mk3 core system includes AudioDesk, MOTU’s
sample–accurate workstation software for Mac OS with 24-bit recording/editing and
32-bit automated mixing, processing and mastering.
The MOTU 2408mk3 is expected to ship in the fourth quarter of 2002.

Offline chrisNova777

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Re: Motu 2408 Mk3 (Aug 2002)
« Reply #2 on: May 10, 2020, 09:12:02 AM »
this page last update makes reference to compatibility being added officially to 10.12 Mac OSX Sierra
it doesnt say 10.13 support added but the page heading does say "10.13.x" if you look closely?

does anyone have the 2408 motu system working with 10.13+?

10.9.x Mavericks (October 22, 2013)
10.10.x Yosemite (October 16, 2014)
10.11.x El Capitan (September 30, 2015)
10.12.x Sierra (September 20, 2016)
10.13.x High Sierra (September 25, 2017)
10.14.x Mojave (September 24, 2018)
10.15.x Catalina (October 7, 2019)