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B-SOCIAL
- USER MANUAL
B-SOCIAL
- USER GUIDE
The Audio channel
The Audio channel deals with signals from the Codec Return i.e. sound sent from the com-
puter, Audio from the LINE in and Bluetooth inputs. All these sources are internally mixed at
a fixed ratio and there exists a preference order within the mixer. Signals can be used from
the Codec at the same time as signals from the LINE in OR Bluetooth: note that the LINE
takes preference over the Bluetooth in the same way as the Wired input to Channel 1 takes
preference over the Wireless system.
The mix of these signals can be optimised by controlling the Output levels on the Source de-
vices. A comprehensive 3 band EQ follows next and finally the Volume control for the Audio
section. During its passage through this EQ the Audio is compensated for cabinet response
to give a balanced sound with the EQ set Central , neither boost or cut and with any loud-
ness and bass compensations turned OFF on any connected devices. Once again the best
results will be obtained with any equalisers in these devices set to FLAT. At lower listening
volumes or to compensate for room acoustics the Tone controls can be adjusted to either
Boost or Cut the sound according to taste.
At this point the signal from the instruments is split into two for the left and right channels
and mixed with the signal from the Audio section, the mix of these two components is
controlled by the Master for the Instruments and the Volume for the Audio. Note that at his
point only the Audio has cabinet compensation applied. The sound then passes through a
sub sonic filter to remove all unwanted low frequency noise and protect the speakers from
over excursion.
The Power amplifier
The power amplifier is a conventional LINEAR amplifier with a wide frequency response
capable of providing up to 30 watts Continuous Average Power per channel into an 8-Ohm
speaker. The unit also features extension speaker outputs that may be connected to a pair
of 8 Ohm speakers capable of handling 30 watts or greater When using these outputs the
internal speakers will be in-operative .. Remember that any Audio signal will already have the
cabinet compensation applied so if for instance pair of reference monitors are connected
the tone will have to be adjusted to remove some of the compensation. You may also con-
nect to Bass or PA cabinets as long as they are 8 Ohms. There is no cabinet compensation
applied to the instrument inputs so playing these through the extension cabinets would be
as though a normal instrument amplifier was being used albeit with higher quality.
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