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Contractor Series Power Amplifiers
Reference Manual
5.3.3 SST-SBSC (Summed Bass Stereo Crossover)
Module
Crown’s advanced SST-SBSC module offers ten user-
specified crossover frequencies, CD horn EQ and
summed sub-bass output for driving subs (see Figure
5.3 for block diagram). The SST-SBSC offers the follow-
ing features:
• Stereo biamp.
• 12-, 18- and 24-dB (Linkwitz-Riley) / octave fil-
ters.
• CD horn equalization.
• Mono summing of sub-bass output for driving
subs.
Crown plans to release additional accessory plug-in
modules offering a range of advanced features and
capabilities. Watch for new releases.
5.4 Fault Monitoring
The Fault (RJ11) jack is located on the back of your
Contractor Series amplifier. It gives you an easy way to
remotely monitor the amplifier’s fault status. See Sec-
tion 9.5 for details about how to connect external cir-
cuits to the Fault jack.
5.5 Constant Voltage Computer
Crown’s constant voltage computer is an easy-to-use
slide rule for audio applications. The first scale finds the
impedance of a step-down transformer based on deliv-
Figure 5.2 SST-SX Crossover Block Diagram
Figure 5.3 SST-SBSC Crossover Block Diagram
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