Audio Research High Definition Reference 80S, Руководство пользователя

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Hour Counter
An LCD hour counter of elapsed tube
operating time can be viewed on the back
panel. This displays accumulated hours of
vacuum tube service life. If the amplifier
is unplugged from A.C. supply, the total
accumulated hours are retained. Next
to the hour counter is a recessed hour
counter reset button; after replacing vac-
uum tubes, press this button to reset the
hour counter back to zero. Note that once
the hour counter has been reset, it is no
longer possible to recall the previous hour
count.
Break-in
All quality stereo equipment benefits from
a break-in period; during this time, the
various components, wiring and solder
connections change as electrical signals
pass through them. While your Reference
80S will sound very good out of the box, it
will only improve with continued use.