QSC SRA 1222 User Manual page 15

SETUP-
Operating Mode Selection: Stereo
Stereo Mode Notes:
•To operate in stereo mode, set switches 4,
5, 6, and 7 to the left position.
•Input connections: connect one input to CH1
and the other to CH2. Use the XLR or RCA
connectors.
•Output connections: using the binding posts
or the Speakon connectors, connect CH1 and
CH2 outputs to their respective speakers.
Biamp Applications- Use Stereo Mode
Mode switch settings for biamp are the same
as for stereo. Multi-amp applications (like
biamp) split the signal into different ranges
before amplification, dedicating each channel
to a specific task. The signal processing takes
place externally before the signal is amplified.
Full range
input signal
Low frequency
to processor
processor output
feeds CH1
Signal processor
configured as crossover
High frequency
processor output
feeds CH2
SRA amplifier
XLR or RCA CH1
Output
Mode switches
set for stereo
CH2
XLR or RCA
Output
Stereo Mode: mode switches 4, 5, 6, and 7 to the left.
Biamp Notes:
• Switch settings are the same as for stereo
mode (see top of page).
•Audio inputs to amp must be preprocessed.
•Input connections: connect one input to
CH1 and the other to CH2. Use the XLR or
RCA connectors.
•Output connections:
binding posts or Speakon
connectors, connect CH1
and CH2 outputs to their
LF
Output respective speakers. CH1
Speakon can output both
channels if 4 wire cable is
LF
loudspeaker
used.
• Verify all signal routing
and test your configuration
at low power to avoid
HF
damaging speakers.
Output
HF
loudspeaker
•QSC's DSP modules are
ideal for biamp mode
applications.
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