53
USB Audio Interface: Roland QUAD-CAPTURE UA-55
Number of Audio Record/
Playback Channels
Sampling Rate: 96 kHz, 48 kHz, 44.1 kHz
Record: 4 channels
Playback: 4 channels
Sampling Rate: 192 kHz
Record: 2 channels
Playback: 2 channels
Signal Processing
PC interface: 24 bits
AD/DA Conversion: 24 bits
Internal: 40 bits
Sampling Rate
AD/DA Conversion: 192 kHz, 96 kHz, 48 kHz, 44.1 kHz
DIGITAL (IN/OUT): 96 kHz, 48 kHz, 44.1 kHz
Nominal Input Level
Input jacks 1–2 (XLR type): -60 to -6 dBu
Input jacks 1–2 (1/4-inch TRS phone type): -50 to +4 dBu
Nominal Output Level
OUTPUT 1–2: +0 dBu (balanced)
Head Room
14 dB
Input Impedance
Input jacks 1–2 (XLR type): 4.8 k ohms (balanced)
Input jacks 1–2 (1/4-inch TRS phone type): 15 k ohms (balanced)
Output Impedance
OUTPUT 1–2: 2 k ohms (balanced)
PHONES: 47 ohms
Frequency Response
192.0 kHz:
20 Hz to 90 kHz (+0/-8 dB)
192.0 kHz:
20 Hz to 60 kHz (+0/-2 dB)
96.0 kHz:
20 Hz to 40 kHz (+0/-2 dB)
48.0 kHz:
20 Hz to 22 kHz (+0/-2 dB)
44.1 kHz:
20 Hz to 20 kHz (+0/-2 dB)
Residual Noise Level
INPUT 1–2
→
OUTPUT 1–2: -95 dBu typ.
(GAIN: min., 600 ohms terminated, IHF-A)
* Internal Direct Monitor Mixer setting
Input channel fader: Unity
Dynamic Range
AD block
INPUT 1–2: 104 dB typ. (GAIN: min.)
DA block
OUTPUT 1–2: 109 dB typ.
Main Specifications
