The 475a can be set up for stereo
4-channel, 3-channel or bridged 2-channel operation.
NOTE: Minimum speaker impedance for stereo operation
is 2 ohms. Minimum speaker impedance for bridged operation is 4 ohms.
Not all possible applications are
shown here.Some applications should include a separate subwoofer driven by an
additional amplifier.
475a connected to full-range
speakers. Note crossover and channel assignment settings.
475a connected to four satellite
speakers and used in conjunction with an additional subwoofer amplifier or
powered sub-woofer. Note: crossover and channel assignment settings.
475a connected in tri-mode to a
subwoofer and a pair of satellite speakers. Note: crossover and channel assignment settings.
ref-475a connected in bridge mode to
a pair of full-range speakers. Note crossover and channel assignment setting.
POWER AMPLIFIER SCHEMATIC (Only one channel is shown. All the others are similar)
