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SL SERIES<br />
50<br />
Solid DYNACORD technology<br />
for universal application at highly<br />
competitive prices was the<br />
maxims for the development of<br />
the SL series of power amplifiers.<br />
They offer high, stable power<br />
output and a high efficiency factor<br />
on the high performance level and<br />
are therefore the ideal choice for<br />
driving a multitude of mobile and club<br />
systems, such as e.g. loudspeakers<br />
of the D-Lite or VariLine families.<br />
SL series power amplifi ers are<br />
equipped with protection against<br />
overheating, overload, short-circuits,<br />
high frequencies and DC at<br />
the output.<br />
Damage to the end transistors<br />
through the feedback of electrical<br />
energy is prevented by the back<br />
EMF protective circuitry.<br />
When powering up, a relay delays<br />
the switching on of the power outputs.<br />
In addition, a power-up current<br />
limiter prevents the blowing<br />
of the mains fuses.<br />
Fast audio processors continuously<br />
compare the input and output<br />
signals. In the event of any nonlinearity,<br />
the processors send control<br />
signals to the limiters, which<br />
dynamically reduce the input gain<br />
of the power amplifier.
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