Tascam US-144 manual Audio performance, Other characteristics

9 – Specifications and performance

Audio performance

Signal-to-noise ratio

LINE IN (through ADC and DAC) to LINE	> 96 dB (A-weighted, TRIM=min., input
OUT	impedance at 40 Ω)
LINE IN (through direct monitor) to LINE	> 100 dB (A-weighted, TRIM=min., input
OUT	impedance 40 Ω)

Total harmonic distortion (THD+N, 22 Hz to 22 kHz)

LINE IN (through ADC and DAC) to LINE	< 0.006% (1 kHz sine +20 dBu input,
OUT	TRIM=min.)
LINE IN (through direct monitor) to LINE	< 0.0.04% (1 kHz sine +20 dBu input,
OUT	TRIM=min.)

Other characteristics

Digital audio

A/D Conversion (AK5381)	24-bit/96 kHz, 27.6 samples delay
D/A Conversion (AK4384)	24-bit/96 kHz, 19.3 samples delay

MIDI

MIDI IN and MIDI OUT ports (DIN 5-pin) Conform to MIDI standards

USB

USB port (down stream connector) USB 2.0 Format

Host computer compatibility

	Windows	Windows XP
Operating system
	Macintosh	Mac OS 10.3.9 or later
Communication		USB 2.0
Audio/MIDI interface	Windows	ASIO, ASIO2, GSIF2, WDM
protocols	Macintosh	CoreAudio, CoreMIDI (OS X)
Bundled software		Cubase LE (for Windows or Macintosh),
		Gigastudio 3 LE (Windows only)

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