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OPERATION
AMPLIFIER OPERATION
Understanding the ’operation of the amplifier is very easy. Equally important
is an understanding of the care that should be exercised when operating the
system as a whole, in relation to the enormous power output of the KSA.
Simple mistakes, such as switching between active sources without muting
the preamplifier output, or bumping/miscuing a cartridge, can generate
large transients at low frequencies. With this type of transient the KSA can
generate enough power to damage most loudspeakers. All switching of
sources should be done with the preamplifier level either muted or fully
attenuated. Inputs to the amplifier should not be changed while the
amplifier is on.
NOTE: Care must be taken when setting high playback levels. Because of
their tremendous reserve of clean power, KRELL amplifiers safely drive
speakers to higher sound pressure levels than other amplifiers. This also
means driving the speakers to their limit. Always turn the level down at the
first sign of distortion.
When turning the system off, turn the volume on the preamplifier all the way
down or put it into the MUTE or STAND-BY position. Turn the amplifier off.
This avoids the possibility of a turn-off transient from another component
getting to the speakers. Because of the tremendous output power in the KSA
amplifiers, the amplifier should not be turned on or off with music playing.
This can arc the speaker output relays and potentially damage the amplifier.
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