BDA 30339_Layout 1 01.07.11 09:42 Seite 5
Troubleshooting
Problem
Bad or
no reproduction
Technical data:
Microphone Preamplifier
Input voltage:
Signal input:
Signal output:
Power supply
Input voltage:
Output voltage:
Output current:
Stand-by consumption:
Operating temperature:
Hereby Vivanco GmbH declares that MA 225 is in conformity with the fundamental requirements
and other relevant regulations of the directive 2004/108/EU.
Disposal of the device
This device may not be disposed along with household waste. Please hand it over to a collection
point for electrical devices of your area or your district. Thus it will be guaranteed that the old
devices are recycled properly and economically and potential environmental and health hazards
are avoided.
The packing should be supplied to re-use. Please do not throw it into household waste and
handle it in conformity with local disposal rules.
Possible cause
Preamplifier is not connected with
a current supply
Microphone or reproduction
device (for example mixing desk,
amplifier or PC) is not switched on
Cable connection broken
The amplification set on the
preamplifier does not fit to the
microphone
Volume on the reproduction device
(for example mixing desk, amplifier
or PC) is switched off or too low
12V
2 x 6,35mm – Stereo/Mono
2 x Cinch
100-240V~ 50-60Hz, Euro plug
12V
100mA
<0,3W
5...35°C
Solution
Ensure power supply
Switch on all connected
devices
Check if all the plug
connections are plugged in
properly
New setting of the
preamplification
Increase volume
GB
5