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Operating Your
10
S-275
The S-275 Amplifier is easy to operate. However, great care
should be exercised when operating a system that includes the S-
275, because of the amplifier's power output. Switching between
active sources without muting the preamplifier output, or bump-
ing/miscuing a device, can generate large transients at low fre-
quencies. The S-275 may generate enough power with these tran-
sients to damage most loudspeakers. To avoid damage, be sure to
switch all sources with the preamplifier level either muted or fully
attenuated.
Krell amplifiers have large reserves of clean power and can safely drive
loudspeakers to higher sound pressure levels than other amplifiers.
However, use care when setting high playback levels and lower the vol-
ume level at any sign of loudspeaker distress.
When powering up any system, always turn amplifiers on last.
When powering down, always turn amplifiers off first.
When the amplifier is in stand-by mode, with the red stand-by
LED (2) illuminated, turn the amplifier on by pressing the
power button on the front panel or the power key on the
remote control (1). There is an audible click. The blue power
LED (2) illuminates. The S-275 is now in the operational mode
and ready to play music.
Krell S-275
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