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EUROLIVE B512DSP
4. Application examples
4. Application examples
4.1 Presentations
With just one B512DSP and one or two dynamic microphones,
you can set up a basic audio system with very little effort. Thanks
to the built-in mixer section, you can connect the microphones
directly to the B512DSP. Mount the B512DSP on a speaker stand
for optimum presentation and intelligibility of announcements. If
one B512DSP is not enough, you can, of course, use a second
or even more loudspeakers.
Connecting microphones:
s Turn the LEVEL controls fully to the left.
s Connect your microphones to the MIC/LINE inputs.
s Switch on the B512DSP.
s Turn the LEVEL controls gradually clockwise to set
the volume of your choice. Observe the CLIP LEDs while
adusting the volume. Make sure they never shine constantly
but only light up at peak levels.
s Use the LINE OUT connector to connect an (optional)
second B512DSP.
+ Never place a microphone directly in front of the
loudspeaker owing to danger of feedback! When
operating the B512DSP make sure that you always
stay behind the loudspeaker to avoid feedback.
Fig. 4.1: Connecting microphones
4.2 PA systems
PA is short for public address and includes all applications that
involve a larger audience. This example uses a mixing console
as its central unit for system operation and connections. All
microphones, feeding and effects devices, etc. are connected
to the mixing console, which is then linked to the B512DSP.
Connecting a mixing console:
s Turn the LEVEL controls fully to the left.
s Connect the left output of the mixing console to the MIC/
LINE connector of the left loudspeaker, and the right mixing
console output to the right loudspeaker.
s Switch on the B512DSP.
s Raise the level of the mixing console output to a level of
0dB.
s Turn the LEVEL controls gradually clockwise to set
the volume of your choice. When the CLIP LEDs light up,
this indicates that the maximum volume has been reached.
Fig. 4.2: Connecting a mixing console
Instead of a mixing console, you can also connect a stereo
signal source, e.g. a CD player. In this case, one B512DSP is
connected to each of the outputs of the signal source.
Connecting a stereo signal source:
s Turn the LEVEL controls fully to the left.
s Connect the left output of the stereo device to the MIC/LINE
connector of the left loudspeaker, and the right stereo
device output to the MIC/LINE connector of the right
loudspeaker.
s Switch on the B512DSP.
s Raise the output level of the stereo signal source (if
available), ensuring that it does not overload the input.
s Turn the LEVEL controls gradually clockwise to set
the volume of your choice.