8
EUROLIVE B415DSP
4. Application examples
4. Application examples
4.1 Presentations
With just one B415DSP 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 B415DSP. Mount the B415DSP on a speaker stand
for optimum presentation and intelligibility of announcements. If
one B415DSP is not enough, you can, of course, use a second
or even more loudspeakers.
Connecting microphones:
sTurn the LEVEL controls fully to the left.
sConnect your microphones to the MIC/LINE inputs.
sSwitch on the B415DSP.
sTurn 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.
sUse the LINE OUT connector to connect an (optional)
second B415DSP.
+Never place a microphone directly in front of the
loudspeaker owing to danger of feedback! When
operating the B415DSP 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 B415DSP.
Connecting a mixing console:
sTurn the LEVEL controls fully to the left.
sConnect 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.
sSwitch on the B415DSP.
sRaise the level of the mixing console output to a level of
0dB.
sTurn 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 B415DSP is
connected to each of the outputs of the signal source.
Connecting a stereo signal source:
sTurn the LEVEL controls fully to the left.
sConnect 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.
sSwitch on the B415DSP.
sRaise the output level of the stereo signal source (if
available), ensuring that it does not overload the input.
sTurn the LEVEL controls gradually clockwise to set
the volume of your choice.