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The Celesonic US-20x20 from Tascam is a single rack space USB audio MIDI interface that delivers twenty channels of analog and digital inputs and outputs. Eight of the analog inputs feature Ultra-HDDA microphone preamps that provide 56 dB of gain, suitable for a wide range of microphone types. Up to ten channels of digital I/O can be accessed via ADAT and S/PDIF connectors, while Wordclock is available for use with external clocks. MIDI I/O allows use with controllers and synthesizers, and sample rates up to 24-bit/192 kHz are supported.
The unit features three operation modes for maximum flexibility - audio interface, digital mixer, and eight-channel digital microphone preamp. The USB 3.0 interface uses class-compliant drivers for future-proof use with computers and tablets, while a built-in DSP mixer includes parametric EQ and compression on every channel, and a stereo reverb send for enhancing monitor mixes. The DSP mixer can store up to ten snapshots as scenes, making it easy to recall mixer settings, and can also be used as a live mixer or sub-mixer with computer control.
Two instrument-level inputs are provided for direct input of guitar or bass. The angled design of the interface makes desktop viewing and operation much easier than a flat box sitting on a table, and the separate headphone and line output volume controls allow for setting an optimum level when both powered monitors and headphones are connected. For users who prefer rack mounting the unit, the company includes adapters and hex keys.
Ultra-HDDA (High Definition Discrete Architecture) microphone preamps with −125 dBu EIN
Eight Ultra-HDDA microphone preamps with XLR/TRS connectors, plus two TRS inputs
Ten 1/4" balanced analog outputs
Three-mode switching between interface/microphone preamp/mixer
Up to 24-bit/192 kHz recording
48V phantom power for all microphone inputs
High-impedance inputs available
Input level specifications boast a range of 56 dB for using dynamic microphones
Two standard TRS headphone output jacks with 70 mW + 70 mW output power
Separate controls for line and headphones output volumes
MIDI input and output
Low-latency monitoring via on-board DSP mixer
DSP mixer with 4-band EQ and compression on each input channel (can be used in interface/mixer mode)
On-board reverb effect ideal for monitoring on interface mode or PA/SR on mixer mode
Patch bay allows outputs to be assigned freely (can be used in interface/mixer mode)
Scenes can store DSP mixer settings (up to 10 + 1 scenes can be stored and namedï¼¿
S/PDIF coaxial digital input/output connectors
TOSLink optical digital multi-channel input/output connectors (supporting SMUX2 and SMUX4)
BNC word clock input/output connectors
Support for Mac and Windows OS
USB 2.0 class compliant
USB 3.0/2.0 computer connection (USB 3.0 requires Windows 10)
Connect with iPads and other iOS devices
Tough metal casing for durability
Angled design provides for efficient usability on a desktop
Rack-mount adapter included
In the Box
Tascam US-20x20 - USB Audio Interface with Mic Preamps/Mixer
Dual Core 2 GHz or faster OS X 10.8 (Mountain Lion), OS X 10.9 (Mavericks), 10.10 (Yosemite) USB 3.0 or 2.0 port 2 GB RAM or more Core Audio, Core MIDI 1280 x 800 screen resolution
Dual Core 2 GHz or faster Windows 7 (32-bit SP1, 64-bit SP1), Windows 8.0 (32-bit, 64-bit), Windows 8.1 (32-bit, 64-bit), Windows 10 (32-bit, 64-bit) USB 3.0 or 2.0 port 2 GB RAM or more USB Audio Class 2.0, ASIO 2.0, WDM (MME), MIDI (when using WDM driver, number of output channels from an application has a limitation of less than 8 channels) 1280 x 800 screen resolution