KRK Systems R6 Bedienungsanleitung Seite 7

Verify the amplifier is the correct model
for the AC power
amplifiers are available
models for regions that have IOOVAC,
110-120VAC, and
outlets. A mismatch can cause damage
to the amplifier and should be replaced
with the correct model.
Check to see if
operating. Remove the power cord and
replace with a
electronic device such as a lamp or
charger for a mobile device.
Check that the fuse
Remove all power
cables from the amplifier. Consult the
manual that comes with the amplifier.
Check that the all sides of the amplifier
are not hot. Usage in direct sunlight, a
hot room with poor airflow or excessive
use at maximum levels may cause the
unit to overheat and go into thermal
protection. Turn off the power and
allow the amplifier to cool down. If this
is not the problem,
manufacturer of the amplifier.
outlet. Some
in different
220-240VAC power
the AC outlet is
known functional
has not blown.
cords and signal
contact the
.there is sound and it is bad (excessive
hum and terrible hiss).
A R6 pair contains a left and right side.
Confirm which R6
Simply move the speaker cable from the
working R6 to the bad sound R6. If the bad
sound R6 produces
previously used
problem and needs to be replaced. If there
is still bad sound, proceed with the next
step.
Disconnect the audio signal cable from the
rear panel of the amplifier.
amplifier powered on, listen for the bad
sound (i.e. a slight hiss or hum). If the bad
sound is no longer there, the problem is
not the amplifier and the audio
should be checked. Signal cables
not be mixed with power cables.
amplifier and R6 still has bad sound, follow
the checklist below
the audio source"
Check that the AC outlet
to any electronics that can induce noise
into the power line (such as light dimmers,
neon signs, motors
devices such as heaters,
humidifiers). These devices should
using the same AC circuit as the audio
equipment. If the problem persists, look
into adding AC conditioning equipment to
clean the noise
contact customer service.
Check that all
connected to the same ground point. This
means both studio
source (laptop, mixer, audio interface) are
connected to the same AC outlet ground
point.
6
has the bad sound.
good sound,
speaker cable is the
With
source
should
If the
and review the "Check
box.:
is not connected
or climate control
air conditioners
not be
from the AC outlet
audio equipment
monitors and audio
the
the
or
or
is