10
THERMAL CONDITIONS
The ISP Sub Series is capable of producing 600 watts at full power to 900 watts using an
extension passive cabinet. This generates heat that must be dissipated in order to maintain
reliability and insure the amplifier components stay within their operating temperature specs. To
accomplish this, the amplifier is mounted onto a heatsink that is internally mounted on the rear of
the cabinet. Airflow is forced through the fins via the air pressure from the speaker. It is
recommended that the fins have at least 6 inches of clearance from any obstruction to allow
proper ventilation to occur.
In addition, the amplifiers are thermally protected internally via a thermal switch, which will
attenuate the signal 40db when the temperature exceeds a certain point. When the temperature
drops below a certain point, full signal will be restored. Tests have shown under extreme
conditions that cycling will occur (40 sec. ON, 20 sec. OFF).
Содержание SA115
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