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29
Nº53 Power Amplifier
Care & Maintenance
The Nº53 requires routine care and maintenance to ensure optimal
performance. The bulleted items indicate maintenance procedures
that should be performed on a regular basis.
Turn off the Nº53 and unplug the rear AC power cord
before performing maintenance to the amplifer.
Note Failure to perform the maintenance procedures included in this section
may void the manufacturer’s warranty and/or standard repair policies.
• To remove dust from the Nº53 exterior surface, use a feather
duster or a low-pressure blower.
• To remove dirt and fingerprints from the Nº53 exterior surface,
use a soft, lint-free cloth. DO NOT use metal polish or a cloth
made with steel wool.
• If needed, this cloth can be dampened with isopropyl alcohol.
DO NOT dampen the cloth with Benzene, acetone-based
cleaners, or other commercial cleaners.
• Wipe the Nº53 exterior surface in the same direction as the
grain of the brushed aluminum.
Caution! DO NOT apply liquid directly to the N
o
53 exterior surface. Doing
so may damage electrical components.
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