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Sound Devices USBPre |
Sound Devices USBPre
Microphone Interface for Computer Audio">
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USBPre
Microphone interface for Computer Audio
This model has been replaced by
USBPre 2
The complete, portable
hardware interface for PC-based digital recording. Quickly and
easily interfaces microphones, musical instruments, line level, and
digital audio with personal computers. Designed for USB-equipped
Macintosh® OS 9.x, and Windows (98SE®, ME,
2000®, XP) computers. Version 1.5 hardware includes S/PDIF
coaxial I/O to the analog inputs.
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C931-TA-XL-2 |
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| TA3-F to XLR-M 15"
Adapter Cable |
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Product Code:USBPRE
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Features |
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Dynamic range
greater than 106 dB (in 24-bit operation)
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Flat 10 Hz to 22
kHz audio bandwidth
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Exceptionally low
distortion characteristics
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Two inputs accept
microphone, instrument, line, or tape level inputs
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Input type is
selected per channel — allowing two different signal types
simultaneously
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Phantom power (48
volt) for condenser microphones
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S/PDIF coaxial
input and output
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Six-segment LED
peak input meter
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High-power
headphone monitor
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Mix control
enables headphone monitoring of analog source audio, computer
audio, or a mix of both source and computer audio
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Phono (RCA) jacks
connect PC AUDIO output to external loudspeakers or
preamplifiers
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Bus powering from
the USB port eliminates external power sources and batteries
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High-strength
extruded aluminum chassis
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Compact dimension
(4.4 cm H x 18.5 cm W x 10.0 cm D)
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Mac®
OS 9, Sound Manager compatible, OS X Core Audio
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Windows 98®,
ME®, 2000®, and XP® Wave audio
and DirectSound compatible
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ASIO for both Mac
OS 9 and Windows
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Specifications |
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Frequency Response: |
(reference 1 kHz) 10 Hz - 20 kHz, ±0.5 dB
(any input to PC recording) 10 Hz - 20 kHz, +/- 1.0 dB (PC source to PC
audio out) |
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E.I.N.: |
(mic inputs) -124 dBu min. (10 Hz - 22 kHz
bandwidth, 150 ohm source, gain control at 50% or more, 15 dB pad out) |
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Output Impedance: |
PC audio -3.3k ohms, headphones - 20 ohms |
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S/PDIF Digital: |
24-bit maximum input, 20-bit
maximumhardware output (limited to 16-bit output in Windows Me and OS 9
Sound Manager), sample rate and bit depth selected by recording software
and operating system |
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Sample Rates / Bit Depths: |
Recording: 8, 16, or 24-bit at 32, 44.1, 48
kHz
Playback: 8, 16-bit at 5 to 55 kHz, will play back 24-bit sources at
16-bit |
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Master Clock: |
(recording) PLL generated, low jitter |
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Metering: |
input level at A/D converter, 6- segment,
30 dB total range, peak responding, 0 dB on meter = 0 dB FS (0 dB
referenced to Full Scaled Digital) |
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Phantom Power: |
48 V through 6.8k W resistors, each mic
input will supply 10 mA |
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Powering: |
USB bus powered, 3 stage soft-start meets
USB hot-plugging power requirements, 5 V, 350 mA quiescent current from
USB port, 5 V 500 mA max current from USB port |
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THD+N: |
(10 Hz - 22 kHz measurement bandwidth)
0.05% max. (any input to PC recording, gain control at min., input driven
to -6 dB FS) 0.009% max. (PC audio output, 0 dB FS output, 100k ohm load)
0.05% max. (headphone output, 2 V rms output, 600 ohm load) |
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Output Clipping Levels: |
(1% THD, Windows mixer/Mac volume at max.)
PC audio: +8 dBu (2.0 V rms) w/ 100k ohm load headphones: +11 dBu (2.75 V
rms) w/ 600 ohm load |
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A/D Converter: |
24-bit resolution - no dither added104 dB
min. dynamic range, 24-bit mode (10 Hz - 22 kHz bandwidth, A-weighted) 96
dB min. dynamic range, 16-bit mode (10 Hz - 22 kHz bandwidth, A-weighted) |
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USB: |
Fully compliant USB 1.1 device |
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D/A Converter: |
16-bit resolution, 90 dB min. dynamic
range, 24 and 16-bit mode (10 Hz - 22 kHz bandwidth, A-weighted) |
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Dimensions: |
(unpackaged):4.3 cm x 18 cm x 10 cm (H x W
x D) 1.7 in. x 7.25 in. x 4.25 in |
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Weight: |
0.5 kg ; 1.13 lbs |
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Certifications: |
meets FCC Part 15 Class B, Complies with
the requirements of European Directive 89/336/EEC |
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Included: |
USB Cable, software installation CD-ROM for
Mac OS (9 and X) and Windows OS, rubber feet |
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