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Nº433 Power Amplifier
Care & Maintenance
The Nº433 requires routine care and maintenance to ensure optimal
performance. The bulleted items in this section indicate maintenance
procedures that should be performed on a regular basis.
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 cabinets of your Nº433, use a feather
duster or a lint-free soft cloth. To remove dirt and fingerprints:
1. Dampen a soft cloth with isopropyl alcohol, then lightly clean
the surface of the unit(s) with the cloth, moving with the
“grain” of the anodized, brushed aluminum.
Do not use excessive amounts of alcohol that might drip off the
cloth and into the unit.
2. Following the cleaning with alcohol, dampen a clean cloth with
water and wipe over the surface you just cleaned with alcohol.
This removes the alcohol residue.
Caution!
Do not apply liquid directly to the Nº433 exterior surface. Doing
so may damage electrical components inside the unit.
• Refer to “Installation Considerations” on page 7 for infor-
mation about preventative maintenance.