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Overview
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.
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.
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Specifications
Sampling Frequency | 44.1, 48, 88.2, 96, 176.4, 192 kHz |
Bit Rate | 16-/24-bit |
Coaxial | Connector: RCA, Format: IEC60958-3 (S/PDIF)/IEC60958-4 (AES/EBU), Input Impedance: 75 ohms, Output Input: 0.5 Vp-p / 75 ohms |
Optical | Connector: Optical (JEITA RC-5720C), Format: Multi-channel optical format (S/MUX4 is available in 88.2, 96, 176.4, 192 kHz) |
Line Output | Outputs 1 -10, Balanced, Connector: 1/4" (6.3 mm) TRS-jack (T: hot, R: cold, S: ground), Output Impedance: 100 ohms, Nominal Output Level: +4 dBu (1.228 Vrms), Maximum Output Level: +24 dBu (12.277 Vrms) |
Headphones | Connector: 1/4" (6.3 mm) TRS stereo phone jack, Maximum Output Level: 70 mW +70 mW or more (THD+N 0.1% or less, 32 ohms loaded), Digital Audio Outputs |
Connector | USB 3.0/2.0 B type |
Format | USB 3.0 SuperSpeed (5 Gbps) / USB 2.0 High Speed (480 Mbps) |
Input | BNC (permissible frequency deviation at the time of external synchronization), Input Voltage: 2.0 Vpp to 5.0 Vpp, Input Impedance: 75 ohms, +/-10%, Input Level: +/-100 ppm |
Output | BNC (with OUT/THRU select switch), Output Voltage: 2.0 Vpp to 5.0 Vpp, Output Impedance: 75 ohms, +/-10%, Sampling Frequency: 44.1, 48, 88.2, 96, 176.4, 192 kHz |
Power | Dedicated AC adapter (GPE248-120200-Z, included) |
Power Consumption | 20 W |
Frequency Response | Line Out (balanced):44.1/48 kHz: 20 Hz to 20 kHz, +/-0.3 dB (JEITA), 88.2/96 kHz: 20 Hz to 40 kHz, +/-0.3 dB(JEITA), 176.4/192 kHz: 20 Hz to 80 kHz, +/-0.5 dB(JEITA) |
THD | 0.005 % or less |
S/N Ratio | 104 dB or more |
Crosstalk | 100 dB or more |
Mac | 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 |
Windows | 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 |
iOS | iOS 7 |
Operating Temperature | 41 to 95 F (5 to 35 C) |
Dimensions (WxDxH) | 17.5 x 8.7 x 2.3" (445 x 222 x 59 mm) |
Weight | 6.1 lb (2.8 kg) |
Package Weight | 9.35 lb |
Box Dimensions (LxWxH) | 21.417 x 11.417 x 5.354" |
Warranty & Returns
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