9 – Specifications

Audio performance

Frequency response

20 Hz - 20 kHz, +0.5 dB/–1.0 dB (44.1/48 kHz) (MIC to LINE OUT)

20 Hz - 40 kHz, +0.5/–1.5 dB (88.2/96 kHz) (MIC to LINE OUT)

Signal-to-noise ratio (LINE IN to LINE OUT)

Through ADC and DAC: 96 dB

(When INPUT knob is set to LINE, 20 kHz LPF + A-weighted)

Direct monitor: 107 dB

(When INPUT knob is set to LINE, 20 kHz LPF + A-weighted)

Total harmonic distortion (LINE IN to
LINE OUT)

Through ADC and DAC: Less than 0.0045% (When INPUT knob is set to LINE, 1 kHz +20 dBu input, 20 kHz LPF)

Direct monitor: Less than 0.002% (When INPUT knob is set to LINE, 1 kHz, +20 dBu input, 20 kHz LPF)

Computer requirements

See the TASCAM website for updated information about OS compatibility.

Windows

Supported Operating system

Windows XP 32 bit SP2/SP3 Windows XP 64 bit SP2 Windows Vista 32 bit SP2 Windows Vista 64 bit SP2 or later

Supported computer system

Windows compatible computer with a USB port (USB 2.0 is recommended)

•• CPU/clock:

Pentium 4 1.4 GHz or faster AMD Athlon 1.4 GHz or faster (or equivalent processor)

•• Memory:

512 MB or more for Windows XP 32-bit

and Windows Vista 32-bit

1 GB or more for Windows XP 64-bit and Windows Vista 64-bit

Macintosh

Supported operating system:

Mac OS X 10.4.11 Mac OS X 10.5.6 or later

Supported computer system:

Apple Macintosh series equipped with a USB port as standard equipment

•• CPU/clock:

Power PC G4 1 GHz or faster, or Intel processor

•• Memory:

512 MB or more

General

Sampling frequency

44.1/48/88.2/96 kHz

Sampling bit rate

16/24 bit

30 TASCAM US-122MKII