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HPF (High Pass Filter) Adjustment
When you are using coaxial or component speaker system, this allows you to adjust high-pass X-over frequency from 40Hz to
400Hz. To get better sound quality from coaxial or component speaker system, we recommend the frequency should be higher
than 80Hz. Make sure the X-OVER switch is positioned at "HPF".
Input Switch
Matches the input from the Source Unit to the amplifiers. This eliminates the use of "Y" adapters and provides a cleaner
input signal. When the 2-Channel mode is selected, both front and sub outputs will operate with only one pair of low level
RCA inputs.
AUX INPUT NOTE: The MODE switch must be in the 2CH position in order to use
the 3.5mm AUX input
1) Using the 2CH Mode on the DD31T requires input signal to the Front Input Connector.
2) Using the 3CH Mode on the DD31T requires both the Front Input and Subwoofer Input to be used. This will allow for fading
between the Front and Rear/Subwoofer Outputs.
40H
400H
Z
INPUT
3CH
DD31T
Fig.10 2-3 Channel Input Mode
Control Panel (6)
High Pass Control (HPF)
Z
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