MOTU
1248 48 CH Thunderbolt Audio Interface

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Item: N13-2968

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1248 48 CH Thunderbolt Audio Interface
1248 48 CH Thunderbolt Audio Interface 1248 48 CH Thunderbolt Audio Interface 1248 48 CH Thunderbolt Audio Interface

 

The 1248 is the flagship interface for a new line of high-performance audio interfaces that combine superb audio quality and state-of-the-art features.

The 1248 provides all the I/O you need for a well-equipped personal studio, including four mic inputs, two dedicated hi-Z guitar inputs, 8 x 12 balanced analog with separate main and monitor outs, 2 x 8-channel ADAT optical, and RCA S/PDIF (with sample rate conversion), for a total of 32 inputs and 34 outputs. Need more I/O? Expansion possibilities are seamless and virtually limitless.

The 1248 employs latest-generation ESS Sabre32 Ultra™ converters, known for their industry-leading performance, together with expertly engineered analog circuits that reflect more than three decades of pro audio engineering expertise. The result? The 1248 achieves actual, measured performance of 123 dB dynamic range (A-weighted, 20 Hz to 20 kHz) on its balanced TRS analog outputs.

Every digital audio workflow has some latency. The only question is, how much? In the case of the 1248, the answer is, not much at all. In the 1248, latency is measured in a handful of samples, from the time an audio signal first goes digital to its arrival somewhere else (to an output, the mixer, or the computer). By keeping latency this low in the hardware, the 1248 helps minimize latency introduced by your host software.

Thunderbolt lets you connect displays, hard drives, and other peripherals to your computer, along with the 1248, and the Thunderbolt bus won't even break a sweat. But more importantly, Thunderbolt gives you an astonishing 256 channels of computer I/O (128 in and out). You can use them to route audio to the physical inputs and outputs on the 1248, plus the 48-channel mixer inside the 1248, plus audio network streams. The 1248 is the first and only interface to combine Thunderbolt I/O connectivity with AVB audio networking.

Don't have a Thunderbolt-equipped computer yet? Hi-speed USB 2.0 provides across-the-board compatibility with pretty much all laptops and desktops. The 1248 is USB audio class compliant, which means you enjoy OS-level USB compatibility and support, including iPad support (with a camera connection kit). Since USB 2.0 devices are compatible with USB 3.0-equipped hosts, your 1248 interface is a future-proof investment in your studio.

The 1248 is equipped with a 48-channel digital mixer designed just like a large format mixing console. The 48 inputs can take signal from anywhere: the physical inputs on the 1248 interface itself, audio channels from host software on your computer, audio network streams, or even mixer outputs. The mixer provides 7 stereo aux busses, 3 groups, a reverb bus that can alternately serve as a 4th group, a Main Mix bus and a separate Monitor bus that can serve as a solo bus. In essence: capable and transparent mixing.

British analog mixing consoles are renowned for their musical EQ profiles. The 1248 meticulously models these classic EQs to give you the very same, magical EQ response found on these coveted desks. Each input channel also provides a classic compressor module with optional peak/RMS operation. Groups and the Main Mix bus are equipped with MOTU's Leveler™, an accurate model of the legendary Teletronix™ LA-2A™ optical leveling amplifier, known for its unique and highly sought-after Automatic Gain Control (AGC) characteristics.

With one click on the 1248's routing grid, you can route any source signal to any destination. Sources can be analog or digital inputs on the interface, computer channels, mixer bus outputs, or audio network streams from other devices on the network. Destinations include interface outputs, host software inputs, mixer inputs, or any other device (or computer) on the AVB network. You can even split any single input (or stereo pair) to unlimited multiple output destinations.

The 1248 network port introduces AVB Ethernet, the new industry standard developed by the IEEE for professional audio networking. Add a second MOTU AVB interface (1248, 8M or 16A) with a simple Cat-5e or CAT-6 ethernet cable.

Build a network with multiple interfaces, computers, and AVB switches using standard network cabling, with ultra-low network latency, even over long cable runs (hundreds of meters). Stream hundreds of audio channels among devices and computers on the network.

The software that you use to control the 1248 doesn't reside on your hard drive. It's a web app served from the hardware itself. This means you can control the 1248's on-board DSP, mixing, device settings, and network audio routing from the web app software running in your favorite web browser on a laptop, tablet or smart phone connected by wire or Wi-Fi to your local area network. Use any web client on any platform — Mac, Windows, Linux, iOS, Android — as long as it shares the same network.

Connect an Apple Airport™ or other Wi-Fi router directly to the 1248 with a standard Ethernet cable and control the 1248's powerful mixing and DSP effects from your smart phone or tablet, without a computer. Great for live sound mixing!

The large backlit 324 x 24 LCD lets you view all signal activity at a glance with detailed metering for all analog and digital I/O. Access hardware settings from a simple and convenient menu.

The 1248 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 1248 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.

Developed by the IEEE, the 802.1 Audio Video Bridging (AVB) extension to the Ethernet standard is now shipping as a standard feature in every MOTU AVB audio interface, ready to have an immediate, positive impact on your pro audio workflow. AVB audio networking fulfills the promise of a truly professional, scalable audio networking standard that can change the way you think about audio I/O and distribution for your own specific needs.

AVB has been developed by the IEEE as an international standard specification for transporting high-bandwidth, low-latency audio and video over Ethernet. As a true industry standard, it is not proprietary and controlled by one company, allowing for open interoperability across devices and brands, with consistent, non-disruptive adoption of refinements to the specification, as it evolves.

It's Ethernet — for pro audio

AVB audio networking works very similarly to regular Ethernet. The only difference is that you use AVB switches instead of Ethernet routers, and you use a higher grade of ethernet cables (shielded CAT-5e or CAT-6), which are affordable and easily purchased wherever networking supplies are sold. However, AVB goes way beyond Ethernet. By design, bandwidth is high, latency is low, and audio streaming is guaranteed to be uninterrupted.

In a nutshell, AVB audio networking gives you two important benefits: 1) flexible, convenient control of your entire audio system from any web host on the same network — even Wi-Fi devices like an iPad or iPhone, and 2) endless possibilities for expanding your system or constructing a customized installation.

AVB is designed to handle hundreds of audio channels over a network. A MOTU AVB network (with MOTU AVB interfaces and the MOTU AVB Switch™) can stream over 512 channels. In addition, each MOTU AVB device can broadcast sixteen 8-channel network streams and simultaneously listen to sixteen 8-channel network streams (128 channels in and out, simultaneously).

Features

  • Balanced TRS analog outputs produce 123 dB dynamic range and -110 dB THD+N (0.0003%) at -1dBFS, Unweighted, 1 kHz.
  • 66 simultaneous audio channels
  • 4 mic inputs
  • 2 guitar inputs
  • 8 x 12 balanced analog with dedicated main and monitor outs
  • 2 x8-channel ADAT optical, RCA S/PDIF (with SRC)
  • Two independent phone outs for 32 inputs and 34 outputs.Universal connectivity:
  • Connects to your computer with Thunderbolt or high-speed USB 2.0 (compatible with USB 3.0).
  • Class-compliant firmware and Industry standard drivers work with any audio software.
  • On-board DSP with mixing and effects
  • Flexible 48-input digital mixer modeled after large format mixing consoles
  • Digital mixer features 12 stereo busses and DSP effects including reverb, 4-band EQ, gate, and compression.
  • 32-bit floating point processing
  • The 1248's mixing and effects DSP engine delivers virtually unlimited headroom and the utmost insound quality.
  • Modeled vintage effects processing: Classic reverb.Compression modeled after the legendary LA-2A compressor.
  • EQ modeled after British analog console EQs.
  • System expansion and audio networking: Add a 2nd MOTU AVB interface (1248, 8M or 16A) with a simple Cat-5e ethernet cable. Connect up to five MOTU
  • interfaces using a MOTU AVB Switch (sold separately).
  • Build a network with multiple interfaces and computers
  • Stream hundreds of audio channels among devices and computers on the network
  • Flexible matrix-style audio routing and splitting for any analog or digital input
  • Computer channel or network stream to any other output, computer, or network device.
  • Split any single input to unlimited multiple output destinations.
  • 256 channels of network audio I/O for your host computer
  • Record and monitor up to 128 networked audio channels in and out,simultaneously, through the Thunderbolt connection to a host computer.
  • Web app control: Control on-board DSP, mixing, device settings, and network audio routing from web app software running in  your favorite browser on a laptop, tablet or smart phone connected by wire or Wi-Fito your local area network.
  • Connect an Apple Airport™ or other Wi-Fi router directly to the 1248 with a standard Ethernet cable and control the 1248's powerful mixing and DSP effects from your smart phone or tablet, without a computer.
  • Great for live sound mixing.
  • ADAT digital I/O: Connect outboard digital processors,digital mixers or other gear. 16 channels at 44.1/48 kHz or 8 channels at88.2/96 kHz.
  • The large backlit 324 x 24 LCD lets you view all signal activity at a glance with detailed metering for all analog and digitalI/O.
  • Access hardware settings from a simple and convenient menu.

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

Analog inputs

  • 4 x XLR mic inputs
  • 2 x 1/4" hi-Z guitar inputs (front panel)
  • 8 x 1/4" TRS line inputs (balanced/unbalanced)

Analog outputs

  • 12 x 1/4" TRS line out (balanced)
  • 2 x 1/4" TRS stereo headphone

Digital I/O

  • 2 banks (16 ch) of ADAT optical at 1x sample rates
  • 1 bank (8 ch) of SMUX optical at 2x sample rates
  • Stereo RCA S/PDIF up to 96 kHz (with SRC on input)

Total I/O

  • 32 inputs and 34 outputs (66 total) at 1x sample rates
  • 24 inputs and 26 outputs (50 total) at 2x sample rates
  • 14 inputs and 16 outputs (30 total) at 4x sample rates

Computer I/O

  • 1 x Thunderbolt (compatible with 1 and 2)
  • 1 x USB 2.0 audio class compliant (3.0 compatible)
  • Sync I/O  1 x word clock in
  • 1 x word clock out
  • Headphone  2 x 1/4" TRS stereo phone (assignable)
  • Phantom power  4 x individual +48V

Front panel

  • 2 x 1/4" TRS headphone output
  • 2 x TRS hi-Z guitar input
  • 2 x digital rotary encoders • main/monitor volume
  • 2 x digital rotary encoders • phone volume
  • 2 x digital rotary encoders • guitar input gain
  • 4 x digital rotary encoders • mic preamp gain
  • 8 x switches • (4) Pad and (4) 48V Phantom switch
  • 324 x 24 pixel LCD for level meters / menu nav
  • 1 x AC power switch

Power

  • International 100-240V autoswitching supply50-60 Hz • 0.5A max

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 or high-speed USB 2.0 port
  • A large hard drive (at least 500 GB for recording)

Windows System Requirements

  • * Windows support is coming soon…
  • 1 GHz Pentium-based PC compatible or faster
  • 2 GB RAM; 4 GB or more recommended
  • Windows 8 or later
  • Available Thunderbolt or high-speed USB 2.0 port
  • 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 MOTU AVB interface by wire or Wi-Fi.

Included Software

  • Thunderbolt and USB 2.0 drivers
  • MOTU AVB Discovery App for Mac (finds connected MOTU interfaces)
  • MOTU AVB Discovery App for iOS (available from Apple App Store)
  • MOTU AVB Control web app (served from the hardware itself)
  • AudioDesk 4.0 (available as a separate download)

Operating Systems

  • For computer audio I/O: Mac OS X 10.8 or later; Windows 8 or later*
  • For web app control: Mac, Windows, Linux, iOS, Android

Compatible Mac Software

  • The 1248 ships with standard Core Audio drivers for Mac OS X for compatibility with virtually all Core Audio-compatible apps, including:
  • MOTU Digital Performer
  • Avid Pro Tools (version 9 or later)
  • Apple Logic Pro
  • Apple Logic Express
  • Apple Garage Band
  • Apple SoundTrack Pro
  • Ableton Live
  • Propellerhead Record & Reason
  • Steinberg Cubase
  • Cockos Reaper
  • Native Instruments Kontakt
  • Waves stand-alone apps (and plug-ins, via compatible host)

Compatible Windows Software (Windows support comingsoon…):

  • The 1248 ships with standard Wave and ASIO drivers for Windows 8 for compatibility with virtually all Wave-compatible audio apps, including:
  • MOTU Digital Performer
  • Avid Pro Tools (version 9 or later)
  • Ableton Live
  • Cakewalk Sonar
  • Steinberg Cubase
  • Propellerhead Record & Reason
  • Image Line FL Studio
  • Sony Vegas Pro
  • Sony Sound Forge
  • Sony Acid
  • Cockos Reaper
  • Native Instruments Kontakt
  • Waves stand-alone apps (and plug-ins, via compatible host)

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