ART Pro Audio SDA1 - Studio Digital Amplifier User Manual
Page 11
11
The SDA-1’s heatsinks do most of the work in getting heat away from
the amplifier. If, in the unlikely event the heatsink should reach 85
degrees Celsius, the amplifier will mute and disconnect the outputs,
until it cools down enough for safe operation. Make sure there is
adequate ventilation around the heatsinks if you plan on rack mounting
the SDA-1 in an enclosed space.
The SDA-1 is fully protected from shorts, opens, over-current, and
over-voltage. A relay disconnects the outputs under any fault
conditions and automatically returns to normal operation once the fault
is removed.
The amplifier is stable into loads as low as 2 ohms (stereo mode), and
4 ohms (bridged mono mode) when used in a fixed or permanent
installation. However, for continuous operation at high signal levels, the
amplifier should be operated with a minimum load of 4 Ohms per
channel in stereo mode and 8 Ohms in bridged mono mode, otherwise
the overload and thermal protection circuitry may cycle the amplifier on
and off as it protects itself during continuous extreme bass peaks.
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