Sony SDP-EP70 - Page 19

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Processor Operations
Front speaker roll off frequency •Expand mode only•
Initial setting is : FRONT SP > 120 Hz
This setting lets you select the roll off frequency for the low
cut filter of the front (left and right) speakers.
• The bass frequencies lower than the cut off frequency are
divided by the MPEG/Dolby Digital (AC-3) bass
redirection circuitry and output from the sub woofer or
other “LARGE” speakers. In order to prevent clipping,
frequencies below the cut off frequency are not output
from the front speakers.
Centre speaker roll off frequency •Expand mode only•
Initial setting is : CENTER SP > 120 Hz
This setting lets you select the roll off frequency for the low
cut filter of the centre speaker.
• The bass frequencies lower than the cut off frequency are
divided by the MPEG/Dolby Digital (AC-3) bass
redirection circuitry and output from the sub woofer or
other “LARGE” speakers. In order to prevent clipping,
frequencies below the cut off frequency are not output
from the centre speaker.
Rear speaker roll off frequency •Expand mode only•
Initial setting is : REAR SP > 120 Hz
This setting lets you select the roll off frequency for the low
cut filter of the rear (left and right) speakers.
• The bass frequencies lower than the cut off frequency are
divided by the MPEG/Dolby Digital (AC-3) bass
redirection circuitry and output from the sub woofer or
other “LARGE” speakers. In order to prevent clipping,
frequencies below the cut off frequency are not output
from the rear speakers.