Panasonic RAMSA WS-A240 Operating Instructions Manual page 9

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Subwooter
Processor
SYSTEM F
This system is identical to System E, but configured with
two WS-SP2A Subwoofer Processors so that the VLF sig-
nals are a separate sub-mix controlled from the mixing con-
sole. This affords the ability to selectively introduce signals
into the VLF mix. which may be balanced in level against
the program mix for special effects. Both VLF amplifiers
are operated in the dual mono mode.
A variation of this design would employ both processors for
VLF processing, with the signal derived from the A and B
WS.A200 ix2!
WS-4240 Sub- woofer (x8)
SYSTEM E
System E is comprised of four WS-A200 loudspeaker sys-
tems and eight WS-A240 subwoofers. It is powered by three
WP-9220 amplifiers, each loaded to 4 ohms per channel.
The VLF amplifiers are operated in the dual mono mode.
The WS-SP2A should be set (by qualified service person-
nel) for WS-A200/WS-A240 signal processing.
mix channels driving part of the VLF amplifiers and loud-
speakers in a fixed-gain relationship with the main program
channels, and the balance of the subwoofers controlled by
a separate sub-mix from the console. The additional con-
nection is shown in gray. In this example, (2) WS-A240s
are operated from the A and B mix, and their amplifier in-
put mode switch is in the dual-channel position. An option-
al VLF signal processing device, such as a sub-harmonic
synthesizer, may be added to the VLF mix output ahead of
the WS-SP2A Subwoofer Processor for special effects.
WS.A240 Subwooter (x81
WS-A200 in 2t
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WS-SP2A
Subwoofer
Processor
WS-A200 ix2)
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WP-9220
VLF Out
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WS-SP2A
Subwoofet
Processor