Edirol USB Audio/MIDI Interface UA-20 User Manual

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Main Specifications
UA-20: USB Audio/MIDI Interface
● 
Number of Audio Record/Playback 
Channels
Record: 
1 pair of stereo
Playback:
1 pair of stereo
Full duplex
● 
Signal Processing
PC interface:
24 bit
● 
Sampling Rate
Digital output:
44.1 kHz
● 
Nominal Input Level
-45 – -10 dBu
● 
Input Impedance
LINE:
22 k ohms
GUITAR:
470 k ohms
MIC:
22 k ohms
● 
Nominal Output Level
-10 dBu
● 
Output Impedance
1 k ohms
● 
Residual Noise Level
(input terminated with 1 k ohm, 
Master Volume = max., 
Input Monitor = off, IHF-A, typ.)
Master Out:
-105 dBu or less
● 
Interface
USB 
Digital output 
Optical Type
 (conforms to S/P DIF)
● 
Connectors
Input Jack (1/4 inch phone type) x 2
Digital Out Connector
 (Optical type)
Headphones Jack
 (Stereo miniature phone type)
Master Out Jack
 (RCA phono type)
MIDI Connectors
● 
Power Supply
Supplied from the computer
● 
Current Draw
170 mA
● 
Dimensions
149 (W) x 110.5 (D) x 42.8 (H) mm
5-7/8 (W) x 4-3/8 (D) x 1-11/16 (H) inches 
● 
Weight
210 g / 8 oz
● 
Accessories
Owner’s Manual
USB cable
CD-ROM
(0 dBu = 0.775 V rms)
962a
* In the interest of product improvement, the specifications and/or appearance of this unit 
are subject to change without prior notice.