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Specifications
UA-25EX: USB Audio Interface
Number of Audio Record/
Playback Channels
Record: 1 pair of stereo
Playback: 1 pair of stereo
DIGITAL IN SWITCH = OFF: Full duplex (except for 96 kHz setting)
DIGITAL IN SWITCH = ON: Recording only
Signal Processing
PC interface: 24 bits (Advanced driver switch=ON)
16 bits (Advanced driver switch=OFF)
AD/DA Conversion: 24 bits (linear)
Sampling Frequency
Digital output: 44.1/48/96 kHz
Digital input: 44.1/48/96 kHz
AD/DA Conversion: 44.1/48/96 kHz
* Advanced driver switch=OFF: 44.1 kHz only
Frequency Response
96.0 kHz: 20 Hz to 40 kHz (+0 dB/-2 dB)
48.0 kHz: 20 Hz to 22 kHz (+0 dB/-1 dB)
44.1 kHz: 20 Hz to 20 kHz (+0 dB/-1 dB)
Nominal Input Level
Input Jack L, R (XLR type): -60 to -20 dBu
Input Jack L, R (1/4 inch TRS phone type): -36 to +4 dBu
* Maximum input level: Nominal Input Level + 12 dB
Nominal Output Level
Output Jack L, R (1/4 inch TRS phone type): +4 dBu (balanced)
Output Jack L, R (RCA phono type): -2 dBu
* Maximum output level: Nominal Output Level + 12 dB
Residual Noise Level
Output Jack: -96 dBu (S/N ratio: 105 dB typ.)
* Input terminated with 1 k ohms, OUTPUT VOLUME: max.,
INPUT MONITOR: min., IHF-A, typ.
Microphone Pre-Amp
Phantom power 48 V / 8 mA max.
Analog Limiter or compressor
Interface
USB
Digital input/output (Optical type)
Conforms to IEC60958 consumer format.
MIDI input/output
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