Tascam Digital Workstation Controller US-224 Owners Manual

							 
41 US-224 to Host Commands:
 
 
DATA_W HEEL (identical to JL Cooper CS-10) 
a.  BF 60 vv, vv = 2s complement using 7 data bits 
 
 
Host to US-224 Messages:
 
 
UPDATE_ASN_LED: F0 4E 12 0F F7 
 
where 
 
 Transmit as 0 for now. 
 is either 0x00 (LED OFF) or 0x7F (LED ON) 
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42
 
Appendix C - 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 W eight 
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) 
 
 
 
 
 
 
 
 
 
 
 
 
  
						

							 
43 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 W eight 
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 W eight 
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 W eight, 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 
  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
  
						

							 
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Printed In Taiwan MA-0631
Ž
US-224