USBPre 2 User Guide and Technical Information
Specifi cations
Frequency Response
(reference 1 kHz tone.
192 kHz sample rate)
THD+N
(22 Hz - 22 kHz measurement band-
width)
E.I.N.
(MIC inputs)
Input Clipping Level
(1% THD)
Input Sensitivity
(typical, for 0 dBFS)
Input Impedance
(actual)
Input Limiter Threshold
Low Cut
Output Clipping Level
(1% THD, PC-controlled output levels
at max)
Output Impedance
S/PDIF Digital
A/D Converter
D/A Converter
Analog Gain
Sample Rates / Bit Depths
Master Clock
Metering
Phantom Power
Powering
Dimensions (unpackaged)
Weight
Certifications
Included Accessories
22
Features and specifications are subject to change. Visit www.sounddevices.com for the latest documentation.
Any input to PC recording:
•
10 Hz - 40 kHz, +/- 0.5 dB
•
-3 dB at 65 kHz
•
0.05% max (any input to PC recording, gain control at min, input driven to -6 dBFS)
•
0.009% max (AUX output, 0 dB V output, 100k ohm load)
•
0.05% max (HEADPHONES output, 2 V rms output, 600 ohm load)
•
-127 dBu min (22 Hz - 22 kHz bandwidth, 150 ohm source, gain control fully clock-
wise, 15 dB pad out)
•
Mic: -10 dBu (0.25 V RMS)
•
Mic (15 dB pad): +4 dBu (0.78 V RMS)
•
Mic: -10 dBu min, -60 dBu max
•
Mic (15 dB pad): +4 dBu min, -45 dBu
max
•
Mic: 4k ohm, active-balanced
•
Mic: -4 dBFS
•
Mic: -3 dB at 80 Hz. 12 dB per octave
•
Balanced XLR: +18 dBu with 100k ohm
load
•
Aux: +8 dBu (2.0 V rms) with 100k ohm
load
•
Balanced XLR (Line level): 500 ohms
•
Balanced XLR (Mic level): 5 ohms
•
24 or 16 bit input
•
24-bit resolution. 114 dB typical dynamic range (22 Hz - 22 kHz bandwidth, A-weight-
ed)
•
24-bit resolution. 112 dB typical dynamic range (22 Hz - 22 kHz bandwidth, A-weight-
ed)
•
Mic: 80 dB max
•
Mic (15 dB pad): 65 dB max
•
Recording: 8, 16, or 24-bit at 8, 16, 32,
44.1, 48, 96, or 192 kHz
•
Crystal based, low jitter
•
2 x 23 segments, 44 dB total range, peak ballistics. 0 dB on meter = 0 dBFS (0 dB
referenced to full scale digital)
•
48 V through 6.8k ohm resistors. Each mic input will supply 10 mA
•
USB bus powered. 5 V (+/- 10%), 500 mA max current from USB port (USBPre 2 will
not function if connected through a passive USB connection or hub)
•
4.3 cm x 18 cm x 10 cm (H x W x D)
•
0.5 kg
•
Meets FCC Part 15 Class B
•
USB Cable
PC source to AUX or XLR output:
•
10 Hz - 40 kHz, +/- 0.5 dB
•
-3 dB at 65 kHz
•
Line: +28 dBu (19.45 V rms)
•
Aux: +9 dBu (2.18 V rms)
•
Line: +29 dBu min, +10 dBu max
•
Aux: +12 dBu min, -7 dBu max.
•
Line: 60k ohm, active-balanced
•
Aux: 80k ohm
•
Headphones: +11 dBu (2.75 V rms) with
600 ohm load
•
Aux: 660 ohms
•
Line: 30 dB max
•
Aux: 13 dB max
•
Playback: 24-bit at 8, 16, 32, 44.1, 48,
96, or 192 kHz
•
1.7 in. x 7.25 in. x 4.25 in. (H x W x D)
•
1.13 lbs.
•
Complies with the Requirements of
European Directive 89/336/EEC
•
Rubber Feet
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