Tascam US-224 User manual

US-224 Technical Specifications
General
Frequency Response
20 Hz - 20KHz 1.0 dB / -3.0 dB
LINE INPUT A/B to LINE OUTPUT
TRIM min., +4 dBu input
LINE OUTPUT level max.
Noise Level
Better than 92 dB A Weight
MIC INPUT A/B to LINE OUTPUT
TRIM min., 150 ohm terminated
LINE OUTPUT level max.
Signal Processing Delay
Less than 2 ms
MIC/LINE to LINE OUT Input Monitor
Fs = 44.1KHz
THD
Better than 0.01%
MIC INPUT A/B to LINE OUTPUT
0 dBu input TRIM min.
LINE OUTPUT level max.
LINE INPUT A/B to LINE OUTPUT
TRIM min., +20 dBu input
LINE OUTPUT level max.
Crosstalk
Better than 85 dB at 1KHz
LINE INPUT A/B to LINE OUTPUT
TRIM min., +4 dBu input
LINE OUTPUT level max.
Click: Less than -35 dBu
Fader Attenuation: Better than -90 dB at
1 KHz
Mute Level: Better than -90 dB at 1 KHz
Dimensions:
12" x 8.3" x 2.4" (30.4 x 21.1 x 6.2 cm)
Weight (unit itself): 0.85 Kg (1.9 lbs)
Power Consumption: 2W
MIC INPUT A/B (Analog)
Connector: XLR-3-31
( 1:= GND, 2:= Hot, 3:= Cold ) : Balanced
Input Impedance: 2.2k ohm
Nominal Input Level (TRIM max.): -54 dBu
Nominal Input Level (TRIM min.): -16 dBu
Maximum Input Level: 0 dBu (TRIM min.)
LINE/GUITAR INPUT A/B (Analog)
Connector: 1/4"
(Tip:Hot; Ring:Cold; Sleeve:GND)
(Balanced at LINE, Unbalanced at
GUITAR)
Input Impedance 22k ohm at LINE
680k ohm at GUITAR
Nominal Input Level (Trim max.):
-34 dBu at LINE
-48 dBV (-36.8 dBu) at GUITAR
Nominal Input Level (TRIM min.):
+4 dBu at LINE
- 10 dBV (-7.8 dBu) at GUITAR
Maximum Input Level (TRIM min):
+20 dBu at LINE
+6 dBV (+8.2 dBu) at GUITAR

LINE OUTPUT (Analog)
Connector: RCA pin jack, Unbalanced
Output Impedance: 100ohm
Nominal Output Level: -10 dBV (-7.8 dBu)
(LINE LEVEL -10dB)
Maximum Output Level: +6 dBV (+8.2
dBu)
(LINE LEVEL max)
PHONES output (Analog)
Connector: 1/4" TRS Stereo
(Tip:L, Ring:R, Sleeve:GND)
(when nominal impedance 40 Ohms
loaded)
Maximum Output Power: 10m W + 10m
W
Maximum Output Level: +6 dBV (+8.2
dBu)
DIGITAL IN
Connector: RCA pin jack
Format: IEC60958 Type2
Input impedance: 75 ohm
Input Level: 0.5Vp-p
DIGITAL OUT
Connector: RCA pin jack
Format: IEC60958 Type 2
Output Impedance: 75 ohm
Output Level: 0.5Vp-p
MIDI IN
Connector: 5P DIN
Format: Standard MIDI Format
MIDI Out
Connector: 5P DIN
Format: Standard MIDI Format
USB
Connector: USB Down stream connector
Format: USB Version 1.1
ADC / DAC
AD/DA Converter
24Bit, 64 times oversampling
Delay: 17 samples (ADC), 15.4 samples
(DAC)
Audio Performance
MIC INPUT (A, B XLR Analog INPUT to
DIGITAL OUT)
Frequency Response
20 Hz - 20KHz + 0.5dB / -1.0 dB
TRIM min., -16 dBu input
S/N
Better than 93 dB A Weight
TRIM min., 150 ohm terminated
LINE OUTPUT max.
T.H.D.
Better than 0.007% at 1kHz
TRIM min., 0 dBu input
LINE INPUT (A, B 1/4" Analog INPUT to
DIGITAL OUT)
Frequency Response
20 Hz - 20KHz, +0 .5 dB / -1.0 dB
TRIM min., +4 dBu input
S/N
Better than 93 dB A Weight
TRIM min., 150 ohm terminated
LINE OUTPUT max.
T.H.D
Better than 0.007% at 1KHz
TRIM min., +20 dBu input
LINE OUTPUT (DIGITAL IN to LINE OUTPUT)
Nominal Output: +6dBV
0 dBFs input, LINE OUTPUT max.
Frequency Response:
20 Hz - 20KHz, +0.5 dB / -1.0 dB
–16 dBFs input, LINE OUTPUT max.
S/N:
Better than 97 dB A Weight, 0 dBFs input,
LINE OUTPUT max.
T.H.D.
Better than 0.007% at 1KHz
TRIM min., 0 dBFS input
LINE OUTPUT max.
PHONES Output
Maximum Output: More then 10m W +
10m W at 1KHz, 40 ohm loaded
Frequency Response:
100 Hz - 20KHz, +1.0 dB / -3.0 dB
Nominal level, 40 ohm loaded
T.H.D.: Better than 1 %
1KHz, Output 10m W + 10m W, 40 ohm
loaded