____________ Unison Research
Preludio
8
warranty. Refer any service queries in the first instance to your
Dealer.
Do not spill liquid into the amplifier.
If that should happen, switch off immediately and remove
the mains plug from the wall. Have the amplifier checked by an
Authorised Service Centre.
When inserting the mains plug into the wall socket or
mains outlet, make sure that the on/off switch on the unit is
in the off position.
If you do not intend to use the unit for a long period,
remove the mains plug from the mains supply.
Cleaning the amplifier
Cleaning the unit should take place only when it is switched
off and the valves are cold.
Use a soft dry cloth. Do not use solvents or alcohol based
detergents.
Do not rub hard when cleaning the printed lettering.
Never operate the unit if it is covered !
Never attempt to remove the valves when the unit is
switched on !
If you need to remove and replace the valves, do so only
when the valves are cold and the unit is switched off.
Replace valves only with others of the same type,
preferably in matched pairs.
Avoid shocks and vibration to the unit, which can damage
or reduce the life of the valves.
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