THERMAL CONDITIONS
The ISP ProWedge 212 is capable of producing in excess of 900 watts at full power. 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 on a heatsink that is internal to the cabinet. Airflow is forced through a port near the
internal heatsink.
In addition the amplifiers are thermally protected internally via a thermal switch which will
attenuate the signal 40db if the heatsink temperature exceeds a certain temperature. When
the temperature drops below a certain point, full signal will be restored. Tests have shown
under extreme conditions that cycling will occur approx. (40 sec. ON, 20 sec. OFF)
It should also be noted that a separate internal thermal breaker also protects the power
transformers. If one power transformer temperature reaches a critical point the internal
thermal breaker will open. If this condition occurs simply reduce the signal level of the
system. This will only occur if the ProWedge 212 is continually pushed into heavy distortion.
Summary of Contents for Prowedge 212
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