7
PEAK LED
Lights when the input signal is too high. Reduce the input signal with the CH1 GAIN knob [8] if
necessary.
8
CH1 GAIN
Overall gain adjustment knob for channel 1.
9
PHANTOM POWER
Activator for the phantom power supply to the XLR connection of the connected microphone.
10
PHANTOM POWER LED
Lights when the PHANTOM POWER activator [9] is depressed.
11
USB ASSIGN TO LINE
Depress to add the audio signal from/to your computer.
12
MASTER
Level adjustment knob for the signals sent to the MAIN OUT outputs [3].
13
CLIP LED
Lights when the output signal is too high. Reduce the output signal with the MASTER knob [12]
if necessary.
14
MONITOR
Level adjustment knob for the signals sent to the MONITOR output [4].
15
POWER LED
Lights when the mixer is switched on.
DC IN 5V 500mA
Full-speed USB2.0 port (Windows 2000/XP/Vista and Mac OS X compliant) for 16-bit/48 kHz
stereo recording and playback through your computer.
This USB port also acts as a power supply input from an external power supply source other than
a computer.
5. Technical Specifications
power supply
MONO input
frequency response
THD
gain range
SN ratio
LINE input
frequency response
THD
gain range
max. input level
LINE IN
frequency response
THD
dimensions
weight
Use this device with original accessories only. Velleman nv cannot be held responsible in the
event of damage or injury resulted from (incorrect) use of this device. For more info
concerning this product and the latest version of this manual, please visit our website
www.hqpower.eu. The information in this manual is subject to change without prior notice.
© COPYRIGHT NOTICE
The copyright to this manual is owned by Velleman nv. All worldwide rights reserved.
No part of this manual or may be copied, reproduced, translated or reduced to any electronic medium or
otherwise without the prior written consent of the copyright holder.
25.03.2011
PROMIX20U
REAR PANEL
5 VDC / 500 mA, via USB port or external PSU (not incl.)
balanced XLR
15 Hz ~ 25 kHz (± 3 dB)
0.01% @ 4 dBu, 1 kHz
0 dB ~ -50 dB
100 dB
RCA
15 Hz ~ 25 kHz (± 3 dB)
0.01% @ 4 dBu, 1 kHz
-10 dB ~ +30 dB
+20 dB
balanced
15 Hz ~ 25 kHz (± 3 dB)
0.01% @ 4 dBu, 1 kHz
97.5 x 118 x 32 mm
370 g
4
REV. 01
©Velleman nv