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OpERATION
LISTENING AT hIGhER vOLUmES
Thirty watts is enough power to play a conventional speaker in a normal sized
room loudly enough to completely drown out conversation. Even at levels like
that, the SI-1230 will sound clear and clean. However, it requires more power
to achieve a reasonable volume of sound in a large room than it does in a small
room. It is possible (even if you are not a teenager) to turn the volume so high
that the amplier runs out of power. This creates “clipping” distortion.
Clipping distortion makes treble sound very harsh and unmusical. When you
hear harsh sounding treble from any good speaker, turn the volume down
immediately! Those harsh sounds are masking some much more powerful
high frequency sound spikes which will quickly damage the tweeter of any
loudspeaker.
If you continue to operate the amplier at “clipping” power levels the protection
circuits will operate when the amplier overheats. The protection circuits reset
when the amplier’s internal circuitry cools. Reduce the volume to prevent a
reoccurrence. Perpetually overdriving your speakers and amplier is abuse and
probably voids the manufacturer’s warranty of all affected products.
CLEANING ANd mAINTENANCE
The internal parts of the SI-1230 are electronic and require no maintenance.
Once a year it is appropriate to twist the RCA connectors on each input to
remove any oxidation and improve conductivity.
You can clean only with dry cloth. Do not use any spray-type, abrasive
cleaners on the amplifier.