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heat away from heat producing components inside and thus extending their life. In this manner, we
feel we have produced a more reliable amplifier, but, at the same time, the outside of our units will
get warmer than cases made out of steel.
You should be aware of the possibility of the power amp in your SM-500 becoming "over biased."
This condition can be recognized by turning your amplifier on and letting it sit without speakers
plugged in and without playing it. If, under these conditions, your unit becomes quite warm, it may be
over biased. This situation should be attended to and can be easily remedied in about 15 minutes by
a service tech. A power amp can become over biased through continuous vibration or by any large
jolt received in shipping, transportation, etc.
12 • SM-500 USER GUIDE
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