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LX Series
ULTRA LIGHT WEIGHT POWER AMPLIFIERS
24
LX1600 • LX2200 • LX3000
XA 4000
high-efficiencyClass-Hdesign•
switchingpowersupply•
extremelylightandcompact•
30%dynamicheadroom•
veryhigh2ohmstability•
completepackageofprotectivecircuits•
dynamicaudiolimiter•
preciserasterpotsonfrontpanel•
constantgainwith32dB•
SWITCHING POWER
SUPPLY TECHNOLOGY
The combination of an analogue
class-H design with a state-of-
the-art switching power supply
has made possible the creation
of a professional power amplifier
delivering up to 2 x 1500 watts
into 4 ohms with excellent audio
specifications but weighing only
8.7 kg. Even complex loads as low as
2 ohms can be driven safely. Amp
racks containing several LX power
amplifiers for active multi-way use
are therefore ultra-compact and
lightweight.
CLASS - H TECHNOLOGY
With this technology, two different
power supply rails are permanently
available internally to the power
amplifier blocks. For most of the
program material, the lower opera-
ting voltage is able to reproduce
the audio signal flawlessly; however,
as soon as there are dynamic
peaks, the amplifier switches
internally and at high speed to the
higher supply voltage.
Since for long periods the power
amplifier blocks are operating with
the lower supply voltage, there is
considerably less power dissipation
than with conventional class AB
power amplifiers, which also means
considerably less waste heat.
SAFETY CIRCUITS
The complete LX series is equipped
with protections against overheating,
overloading, short-circuits, DC and
HF as well as a Back-EMF protection.
With the Soft Start system, the power
outputs are switched on via a relay
when a safe operational state has
been reached and a power-up delay
prevents the mains fuses being
triggered.
German engineering. Manufactured
in accordance with the Bosch
Production System (BPS) in Straubing,
Germany.