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Installation Manual
Ventilation
Ventilation
This may be as good a time as any to have
“the talk” about ventilation. The Avalon
G4 features cool-running ecient switch
mode power supplies and ampliers but it
is still a very powerful four-channel ampli-
er, and therefore requires plenty of good
clean, dry, ventilation to properly cool.
Please be advised that you
shouldn’t stack more than 2
models together. Any more than
that, then a rack space above and
below is required for adequate
ventilation.
Review the heat load specica-
tions and ensure that your rack
room meets these requirements.
If the amplier should overheat, a thermal
sensor will put it into standby mode,
allowing the heatsink to cool down.
Once the amplier has cooled to a safe
operating temperature, the amplier will
reactivate. If this occurs often, identify the
cause of the problem and take corrective
action, for example:
• Provide additional ventilation
• Do not install in a sealed loca-
tion with limited or no airow
• Install a fan in the rack
• Make sure that the ampli-
ers are not overloaded with
speaker impedances below
the recommended minimum
• Check that there are no
short circuits in the speaker
cables or speakers. Note:
Each channel will shut o
independently when a short
circuit is detected.
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