User responsibility
1. Mains connection grounding
Your amplifier must be connected to a
grounded socket outlet.
2. Speaker output hazard
Power amplifiers are capable of producing
hazardous output voltages. To avoid electrical
shock, do not touch any exposed speaker wiring
while the amplifier is operating. The external wiring
connected to the speaker terminals shall be installed
by a qualified instructed person or ready-made leads
or cords of appropriate capacity shall be used.
Astheamplifieroutputsproducehighvoltage,do
not connect or disconnectspeaker cables when
the mains power is on.Also, attach the safety cover
on the speaker terminals for safe operation and to
comply with electrical product approvals.
3. Radio interference
This product uses radio
frequency energy and if not used or installed in
accordance with these operating instructions, may
cause interference to other equipment, such as radio
receivers. However, there is no guarantee that
Interference will not occur in a particular installation.
If this equipment does cause harmful interference
toradioortelevisionreception,whichcanbedetermined
by turning the equipment on and off, the user
is encouraged to try to correct the interference by
one or more of the following measures:
Reorient or relocate the antenna.
Increase the separation between the equipment
and receiver.
Connect the equipment to an outlet on a circuit
different from that to which the receiver is
CheckiftheaffectedunitcomplieswiththeEMC
limits forimmunity,(CE-labeled).Ifnot,address
theproblemwiththemanufacturerorsupplier.
AllelectricalproductssoldintheECmustbeappr-
ovedforimmunityagainstelectromagneticfields,
highvoltageflashes,andradiointerference.
ConsultthedealeroranexperiencedRadio/TV
technicianforhelp.
WARNING
If you are not 100% confident of your
Competence to replace the mains plug, engage
Qualified personnel to do the job.
Once a suitable AC supply is connected, the
amplifier can be turned on using the front panel
power switch. The amplifier then goes through a
soft-start sequence as it self-checks its circuits. The
fans will blow at high speed before dropping to idle,
and the -power LED -will illuminate.
Inrush poweris controlled and limited during -softstart,
enabling multiple amplifiers to be powered up
Simultaneously.
Grounding
There is no ground lift switch or terminal on the
amplifiers. The signal ground is always floating,
via a resistor, to chassis and therefore the
grounding system is automatic.
In the interests of safety, never disconnect the earth
(Ground) pin on the AC power cord.
Use balanced input connections to avoid hum and
Interference.
The amplifier uses a forced-air cooling system with
Air flow from front to rear, maintaining a low operating
temperature within defined limits.
Your amplifier is very powerful and can be
potentiallydangeroustobothloudspeakersand
humans alike. Many loudspeakers can be easily
damagedordestroyedbyoverpoweringthem.Always
check the speaker's continuous and peak power
capabilities.Although the amplifier's attenuators can
be used toreduce theoverallgain,anincrease ofthe
input signal can result in full output power, which
may causedamagetoconnectedspeakers.
4. Speaker damage
5 .Maintenance
Forsafeandreliableoperation,thedustcovers behind
thefrontpanelshould be cleanedregularly.If thedust
filters are not maintained there will be safety risks.
For example the unit can ignite the dust and a fire
will occur due to high internal temperatures. There
is also a risk that the unit will malfunction since it is
dependent on constant airflow from front to rear. If
thedustfiltersarenotcleanandtheunitmalfunctions,
any resultant problems will not be covered by
the warranty.
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