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BRIDGED APPLICATION (HIGH VOLTAGE)
The ST55.2 may be bridged to drive a high impedance speaker. To use, place the source group jumper for both
channels on the ‘L BUS’ jumper terminal. Place the volume group jumper for both channels on the ‘NO VOL’
jumper terminal. Place the jumper module on the ‘-L’ terminal.
Finally, connect the speakers (+) to the right channels (+) terminal and the speakers (-) to the left channels (+)
terminal. Input your source signal into the left channel input (only the left channel may be used for bridging).
Note: The default position for this jumper plug is set to the ‘+L’ terminal. The jumper plug must be installed at this
location at all times when not using the ‘-L’ (invert) function.
MINUSPLUSPLUSMINUS
RIGHT LEFT
(-) (+)
BUS INPUT
LEFT
RIGHT
R
L
From Left Output
of Preamplifier
NOT USED