Description Switching Power Amplifier
(Series Amplifier)
Features
SOFT START The amplifiers feature “soft start” as well as switch-on and -off
delay in order to conserve the loudspeakers and avoid switching and cracking
noises.
PROTECTIVE CIRCUITS The LSA series has protective circuits against short
circuit and overheating as well as current limitations, switch-on/-off delay, DC
voltage fault protection and a clip limiter circuit against overstressing the
loudspeakers.
PERFECT COOLING SYS. The amplifiers are equipped with ball-bearing,
automatic cooling fans (two on the LSA-2000, four on the LSA-3400 / LSA-4000),
which automatically adapt their speed depending on the amplifiers´ strain. The
air duct, embedded in the casing, provides excellent cooling in connection with
the fans and ventilation slots.
MODERN DESIGN The switching power amplifiers of the LSA series feature a
modern and functional design and are economically structured in 19” technology
(2 RU). They are suited best for demanding application and show, even at full
strain, no sign of stress.
INFORMATIVE DISPLAY The front panel of the LSA series is designed in such a
way, that any important information on the current operating status is indicated
optically all the time. These LED displays are: power, clip, protect, signal as
well as mono/parallel.
ACTIVE SWITCHING In the LSA series, output stages with switching power
supply are used. Depending on the strain, the switching power supply picks up
the accordant amount of electricity.
STABLE AT 2 OHMS The amplifiers LSA-3400 and LSA-4000 are designed for
highest requirements and therefore may also be operated with 2 ohms.
