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Congratulations on your purchase of the PSA2s.
The PSA2s is a premium-quality integrated
subwoofer and power amplifier. It has been
designed to be the perfect complement to our
Paraline Series PSA1 powered speaker.
The line-level position is for use when the PSA2s
is fed a signal from a processor, electronic crossover, the
output of an un-powered mixer, or the loop-through of a powered
speaker cabinet. When using the line-level mode, the use of balanced
¼-inch (Tip, Ring, Sleeve) and/or XLR cables will reduce the unit’s sensitivity
to hum and buzz.
The speaker level position should be used when the PSA2s is fed with a ¼-inch speaker cable
from the output of an amplifier or a powered-mixer, or from the parallel connection on an un-powered
speaker cabinet. For speaker level operation, connect the PSA2s just like an ordinary speaker (in paral-
lel using the loop-through jacks) along with the passive full-range loudspeakers.
The PSA2s may be plugged in before or after the full-range loudspeaker. The PSA2s does not alter
the signal to the daisy-chained (thru) loudspeakers and will not draw any power from the host amplifier/
processor driving them. Also, note that an external crossover is not necessary when using the PSA2s.
At high power levels when the limiter is operating, increasing the subwoofer level control will not
increase the output. For the best results, set the system so that the limiter LED occasionally (a few
times per second) lights up. The limiter is present in the circuit at all times to prevent distortion and
to prevent over-excursion of the speakers.
Note: The PSA2s’ built-in stand mounting adapter can be used with the Yorkville SW-TUBEHD
accessory to support either one or two of our PSA1 cabinets. The support tube can be used safely
as long as the PSA2s is on a flat, level surface.
WARNING: Larger or heavier cabinets should NOT be used!