UA-25 USB Bus Powered Stereo Audio Interface

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UA-25 USB Bus Powered Stereo Audio Interface

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A great cornerstone in your personal studio and a perfect field unit for traveling engineers. Unique onboard compression!

The Edirol UA-25 USB Bus Powered Stereo Audio Interface is easy to set up. It's a powerful USB Audio/MIDI interface designed to offer premium sound quality, rugged durability, and complete portability to the computer-based audio engineer. Compact enough to travel anywhere you can take your computer. High-grade aluminum chassis withstands hard knocks in the field and shields against high-frequency interference.

USB powered but provides 48V phantom power for condenser mics. Outputs audio at +4dBu from the balanced 1/4" outputs. Realtime direct monitoring. You can turn direct monitoring on or off, adjust the relative volume of the input signal compared to the audio playing out from your computer, and even set the signal to monitor in mono. This lets you plug a mic into the left input and hear it in both headphones or hear any phasing issues between inputs.

Built-in mild analog compressor protects against clipping and gives a little more latitude in field recording situations. 24-bit/96kHz audio performance, MIDI I/O, S/PDIF optical I/O, and Neutrik XLR/TRS inputs with high-grade microphone preamps. Super-stable drivers. ASIO2.0, WDM, MME, and CoreAudio support for both Mac & PC.

Reroute outgoing audio signals back to the input without crossing into the analog domain so you can record streaming audio directly.

Features

Solid aluminum chassis - portable and durable
Premium audio quality
Wide variety of I/O ports
Built-in analog limiter
Zero latency direct monitoring
USB-powered phantom power preamps
+4 dBu output for professional applications

UA-25 USB Bus Powered Stereo Audio Interface Specifications:

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 (ADVANCE SWITCH = OFF: 16 bits)
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
* ADVANCE SWITCH = OFF: 44.1kHz only
Frequency Response
96 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
Nominal Output Level
Output Jack L, R (1/4" TRS phone type): +4 dBu (balanced)
Output Jack L, R (RCA phono type): -2 dBu
Residual Noise Level
Output Jack: -96 dBu (S/N ratio: 105 dB)
(Input terminated with 1 k ohms, OUTPUT VOLUME: max., INPUT MONITOR: min., IHF-A, typ.)
Interface: USB
Digital input/output
Optical type (conforms to IEC60958 consumer format)
Connectors
Front Panel
Input Jack L, R
XLR type
(balanced, phantom power +48 V)
1/4" TRS phone type (balanced) *
* Input Jack 2: high impedance is supported
Headphones Jack (Stereo 1/4 inch)
Rear Panel
Digital Input Connector (Optical type)
Digital Output Connector (Optical type)
Output Jack L, R
1/4 inch TRS phone type (balanced)
RCA phono type
MIDI Connectors (IN/OUT)
USB Connector (B type)
Power Supply: USB Bus Power
Current Draw: 480 mA
Dimensions:
164 (W) x 133 (D) x 46 (H) mm
6-1/2 (W) x 5-1/4 (D) x 1-13/16 (H) in
Weight: 554 g / 1 lb 4 oz
Accessories
Owner's Manual
USB cable
CD-ROM
System Requirements
Macintosh
OS: Mac OS 9, 10.2 or later
Computer: Apple Macintosh series with on-board USB port
CPU/Clock: PowerPC G3 400 mhz or higher
Memory(RAM): 256MB or More
Hard Disk: 200 MB of free space.
Windows
OS: Microsoft Windows XP Home Edition/ XP Professional /2000 Professional /Me/98 Second Edition
Computer: Windows XP Compatible PC
CPU/Clock: Pentium, Celeron, or Pentium compatible processor 600MHz or higher.
Memory(RAM): 256MB or more
Hard Disk: 200 MB of free space.

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