User Manual

24
TASCAM US-2x2/US-4x4
11 – Specifications
Audio resolution
8
Sampling frequencies
44.1, 48, 88.2, 96 kHz
8
Quantization bit depth
16/24-bit
Input/output ratings
Analog inputs
Mic inputs (balanced)
US-2x2: IN 1-2
US-4x4: IN 1-4
Connectors: XLR-3-31 equivalent
(1: GND, 2: HOT, 3: COLD)
Input impedance: 2.2 kΩ
Rated input level: −65 dBu (0.0004 Vrms)
(gain knob at MAX)
Rated input level: −8 dBu (0.3090 Vrms)
(gain knob at MIN)
Maximum input level: +8 dBu (1.9467 Vrms)
Gain range: 57 dB
Instrument inputs (unbalanced)
IN 1-2
(MIC/LINE INST switch set to INST)
Connectors: 6.3mm (1/4") standard TS stereo jacks
(Tip: HOT, Sleeve: GND)
Input impedance: 1 MΩ or more
Rated input level: −63 dBV (0.0007 Vrms)
(gain knob at MAX)
Rated input level: −6 dBV (0.5015 Vrms)
(gain knob at MIN)
Maximum input level: +10 dBV (3.162 Vrms)
Gain range: 57 dB
Line inputs (balanced)
US-2x2: IN 1-2
US-4x4: IN 1-4
(MIC/LINE INST switch set to MIC/LINE)
Connector: 6.3mm (1/4") standard TRS stereo jack
(Tip: HOT, Ring: COLD, Sleeve: GND)
Input impedance: 10 kΩ
Rated input level: −53 dBu (0.0017 Vrms)
(gain knob at MAX)
Rated input level: +4 dBu (1.228 Vrms)
(gain knob at MIN)
Maximum input level: +20 dBu (7.75 Vrms)
Gain range: 57 dB
Analog outputs
Line Outputs (balanced)
US-2x2: LINE OUT 1-2
US-4x4: LINE OUT 1-4
Connectors: 6.3mm (1/4") standard TRS stereo
jacks (Tip: HOT, Ring: COLD,
Sleeve: GND)
Output impedance: 110 Ω
Rated output level: +4 dBu (1.273 Vrms)
Maximum output level: +20 dBu (7.75 Vrms)
Headphone output (PHONES)
Connector: 6.3mm (1/4") standard stereo jack
Maximum output
US-2x2: 18 mW + 18 mW or higher
(THD+N 1% or less, into 32 Ω load)
US-4x4: 45 mW + 45 mW or higher
(THD+N 1% or less, into 32 Ω load)
( 1 and 2 total)
Control input/output ratings
MIDI IN connector
Connector: 5-pin DIN
Format: standard MIDI
MIDI OUT connector
Connector: 5-pin DIN
Format: standard MIDI
USB
Connector: 4-pin USB B-type
Transfer rate: USB 2.0 High Speed (480 Mbps)
Audio performance
Mic amp EIN (equivalent input noise)
−127 dBu or less (150Ω termination, gain knob at MAX)
Frequency response
IN1-IN4 q LINE OUT (BALANCED), Headphone (PHONES) output
At 44.1 kHz and 48 kHz
20Hz : +0dB/−0.3dB (JEITA)
20kHz : +0dB/−0.1dB (JEITA)
20kHz : +0dB/−0.5dB (HP output, JEITA)
At 88.2 kHz and 96 kHz
20Hz : +0dB/−0.3dB (JEITA)
40kHz : +0dB/−0.3dB (JEITA)
40kHz : +0dB/−2.0dB (HP output, JEITA)
S/N ratio
101 dB or higher ( MIC/LINE input to LINE OUT, gain knob
at MIN, JEITA)
Distortion
0.003% or less ( MIC/LINE input to LINE OUT, 1kHz
sine wave, at nominal input level and
maximum output level, JEITA)
Crosstalk
95 dB or more ( MIC/LINE input to LINE OUT, 1 kHz,
JEITA)