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Solid DYNACORD technology
for universal application at highly
competitive prices was the
maxims for the development of
the SL series of power amplifiers.
They offer high, stable power
output and a high efficiency factor
on the high performance level and
are therefore the ideal choice for
driving a multitude of mobile and club
systems, such as e.g. loudspeakers
of the D-Lite, VariLine or Forum
Line families.
SL series power amplifiers are
equipped with protection against
overheating, overload, short-cir-
cuits, high frequencies and DC at
the output.
Damage to the end transistors
through the feedback of electrical
energy is prevented by the back
EMF protective circuitry.
When powering up, a relay delays
the switching on of the power out-
puts. In addition, a power-up cur-
rent limiter prevents the blowing
of the mains fuses.
Fast audio processors continuous-
ly compare the input and output
signals. In the event of any non-
linearity, the processors send con-
trol signals to the limiters, which
dynamically reduce the input gain
of the power amplifier.