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Operating Voltage
The SSP-300 surround processor is set at the factory (internally) for 100V, 120V, 230V,
or 240V AC mains operation, as appropriate for the country in which it is to be sold.
(230V only in European Union countries, in compliance with CE regulations.) The
voltage setting may not be changed by the user.
Make sure that the label on the rear panel of your surround processor indicates the
correct AC operating voltage for your location. Attempting to operate your surround
processor at an incorrect voltage may damage the unit.
Warning: The voltage setting of your surround processor may not be changed by
the user. There are no user-serviceable parts within the unit. Please refer
any problems to an authorized Classé service center..
If the AC mains voltage indicated on your surround processor is incorrect, please contact
your local, authorized Classé dealer or distributor.
The SSP-300 can easily be powered by a normal 15-ampere AC mains line. If other
devices are also powered from the same AC line, their additional power consumption
should be taken into account.
The SSP-300 includes protection circuitry that will prevent the surround processor from
operating at dangerously high or low voltages.
• At startup: the AC mains voltage must be within a range of approximately -15%
to +10% of its nominal value at startup, or the surround processor will not turn
on. For example, a 120V unit requires the AC mains to be between approximately
95V–135V in order to turn on.
• Overvoltage during operation: if the AC mains voltage surges by roughly 10%
or more during operation, the surround processor will enter protection mode and
shut down. The standby LED (Light-Emitting Diode) will flash to indicate the
protection mode has been engaged. An error message will be displayed on the
LCD touchscreen.
• Under-voltage during operation: if the AC mains voltage sags by 15% or
more, the surround processor will continue to play (since this does not present a
particular danger to the surround processor), but note that it may not be able to
achieve its usual standard of performance under these compromised conditions.
The standby LED will flash to indicate the condition.