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Due to SoundWorks’ high input
sensitivity (only .18 V RMS for
rated output), some signal sources
will send audible levels of back-
ground hum and hiss through
to SoundWorks.
If hum or hiss is heard from
SoundWorks and if the signal
source has its own volume control
capability (on-screen control for a
computer or variable audio output
for a TV or CD/tape player), use one
of the following two approaches:
1. Reduce the setting of the
Volume Control until hum or
hiss is reduced to an unnotice-
able level. Use the signal
source to control the
output level.
2. Set the signal source’s volume
control to a high setting (70%
or higher) and use the Volume
Control to vary output.
Some PC sound boards have an
output control on the card. Trial
and error may be necessary to
achieve the right setting of this
control. Too low a setting could
cause background noise. Too high
a setting may cause distortion.
Keep in mind, SoundWorks has
sonic fidelity sufficient to reveal
noise and distortion inherent in
some digital sound processers. You
may not have noticed these imper-
fections before.
Background noise present in a
few, fixed-level signal sources may
be audible when the Volume
Control is set to a high level and
program material is silent or
playing at a low level. This behav-
ior is intrinsic to the fixed-level
signal source and is not the fault
of SoundWorks.
Playback Levels
SoundWorks is intended for indi-
vidual or small group listening,
not to fill a large room for hours
on end with loud dance music. In
fact, playing the system continu-
ously at overly loud, distorted
levels on program material may
cause its internal fuse to blow
after an hour or two.
The fuse can be replaced only by
a qualified representative. To
avoid this inconvenience and a
possible non-warranty repair
charge, reduce the playback
volume when the system shows
obvious signs of stress, i.e. it
sounds “raspy,” “fuzzy,”
and/or “muddy.”
Controlling Background Noise and Distortion
8
Important – Please Read Before Operating Your SoundWorks