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LEM AMP SERIES - Operating Modes and Grounding; Grounding and Limiter Selectors; Stereo, Bridge, and Parallel Modes

LEM AMP SERIES
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9
AMP SERIE
S
Functions & controls
9
GND
Auxiliary connector for the earth of the amplifier.
10
GROUND ON / FLOATING
Controls the separation of the electrical earth from that of the
chassis. Using this selector, it is often possible to break earth
loops which can form when several units are connected together
and which can cause hum or other noises
LIMITER ON/OFF
Limiter ON/OFF selector.
PARALLEL/STEREO/BRIDGE selector
Selector for the amplifiers 3 operating settings: allows to
decide how to use the amplifier in the audio setup, considerably
simplifying the connections with other units (crossovers, other
amplifiers, loudspeaker enclosures).
This control should
only be used when the amplifier is off,
otherwise the loudspeakers components could be damaged.
A) STEREO
With the STEREO setting, 2 separate signals are treated separately
by channels A and B of the amplifier.
AMPLIFIER OUTPUTS
CH 2 CH 1
MIN 4 Ohm MIN 4 Ohm
GROUND PARALLELONFLOATING
BRIDGEOFF
STEREOLIMITER
ON
BRIDGED
+
_
8 Ohm
AMPLIFIER INPUTS
CH 2
CH 2 CH 1
++
__
CH 1
GND
MIXER
SPEAKERS
STEREO
R L
L
R
PARALLEL
BRIDGE
STEREO

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