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CDi DriveCore Series Operation Manual
Using HiQnet Audio Architect
Input/Output EQ Panels
The CDi DriveCore amplifiers offer an Input (pre-Crossover) and Output (post-Crossover) EQ for
each channel. The Output EQs are generally used for speaker tunings, and the Input EQs are used for
additional filtering if required for the application. The Input EQ panel can be accessed by clicking the
Input EQ button, and the Output EQ panel can be accessed by clicking the Output EQ button from the
Main CDi DriveCore Control panel (see Figure 50).
The Input and Output EQs each provide up to 8 bands per channel. You can select filter type, frequency, boost/cut, and width or slope. The EQ's frequency
response can be edited by typing in parameters, using the UP and DOWN buttons, or clicking and dragging in the graph (see Figure 51).
Available options/parameters:
• Bypass All
When enabled, all filter bands are bypassed.
• Type
Selects the type of filter for the band. See available filter types listed
below.
• Slope (3 – 15 dB/Oct)
Sets the slope rate of the band for Shelf-type filters.
• Frequency (3 – 15 dB/Oct)
Sets the center/corner frequency of the band.
• Gain (±20dB)
Sets the amount of gain (boost/cut) applied to the band.
• Width (0�10 – 32)
Sets the width of the band for Bell-type filters, or adjusts the resonant
peak for 2nd Order Lowpass/Highpass filters.
Available lter types:
• Bell
• Low Shelf
• High Shelf
• Lowpass BW1 (Butterworth 6dB/oct filter)
• Highpass BW1 (Butterworth 6dB/oct filter)
• Lowpass 2nd Order (6-12dB/oct filter with variable resonant peak using the Width parameter)
• Highpass 2nd Order (6-12dB/oct filter with variable resonant peak using the Width parameter)
• Allpass 1 (90º phase shift)
• Allpass 2 (180º phase shift)
Figure 50: Input and Output EQ buttons
Figure 51: EQ panel
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