Maintenance
The CTA408 is built for a long lifetime, and no special care needs to be taken, except from
what is already described under installation. However, the heart of the amplifier is the tubes,
and like a light bulb, they have a limited lifetime. After a period of time, they may affect the
performance of the amplifier. The tubes are operated around 50% of their full nominal
power, which considerably increases their life expectancy. The lifetime of the tubes should be
at least 4000 hours, assuming that the amplifier is switched on and off a couple of times per
day.
Fuse
The CTA408 employs a 20 mm glass fuse circuit breaker inside the IEC-AC socket at the back.
The fuse value is 5A.T (10A.T for USA)
Warranty and Service
Copland provides a warranty to the first purchaser for a period of two year.
Copland usually commissions the Copland agency in the country in which the amplifier
was purchased to carry out any warranty work.
Following consent from Copland in a particular case, the warranty service may also
be claimed at an agency in another country.
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