Audiolab M-PWR Istruzioni per l'utente - Pagina 8
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5: Operation
The performance of amplifiers tends to stabilize after a period of use due to
a number of factors associated with the physical and chemical properties of
the components. We recommend that the system be run with a music signal
for several hours when it is first installed. Although the changes can be quite
subtle, after a few days the sound quality becomes smoother and more natural.
Switching On
The Audiolab M-PWR Stereo Amplifier Mains on/off switch is on the front
panel. Press the switch to power M-PWR on/off.
The power LED will glow red when the amplifier is powered on.
The Mains On/Off switch should be switched off when the amplifier is not in
use.
Note: Always switch on the power amplifier after the rest of the system and
switch it off before powering down any source component. Ensure the system
volume control is at minimum when switching your equipment on or off.
Audiolab M-PWR english manual.in8
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Amplifier Protection Trip
The Audiolab M-PWR Stereo Amplifier is protected by a thermal fuse which
interrupts the audio output if the amplifier is grossly overloaded for a period of
time. The LED on front panel will flash when M-PWR is in protection mode. To
restore operation, simply power off unit for a while and then power on again.
Loudspeaker Phasing
Make sure that both channels are connected in phase. The positive (red)
output terminal of each channel should be connected to the positive (red)
terminal of the speaker. Special care should be taken when bi-wiring as phase
becomes critical.
If there is a doubt about the way the loudspeakers are connected, check their
phasing by playing a mono source - the sound should appear from a point
midway between the two loudspeakers. If this position is unfocused, reverse
the connections to one of the loudspeakers. Correctly connected loudspeakers
give a defined centre sound source with fuller bodied tenor and bass registers.
Maintenance
The surface of the equipment may be cleaned with a barely damp cloth
provided the power has been switched off. Solvent based cleaners should not
be used.
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