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H8 DSP
Digital Interface Processor
User’s manual
Crossover Frequency 80 - 2000 Hz @ 12 dB/Oct Crossover Frequency 80 Hz @ 6 dB/Oct. Hi-pass
2000 Hz @ 24dB/Oct. Low-pass
Crossover Frequency 80 - 2000 Hz @ 24 dB/Oct. Crossover Frequency 80 Hz @ 24 dB/Oct. Hi-pass
2000 Hz @ 6 dB/Oct. Low-pass
8
35
The crossover filter response corresponding to the selected channel is displayed on the graph with a red curve, as in
the examples below
E.g.: Band Pass
5
6
5. Cut-off frequencies
- Hi-P Hz 10 ÷ 20000: filtro High-Pass
- Lo-P Hz 10 ÷ 20000: filtro Low-Pass
If you select the Band-Pass filter, both Hi-P Hz and Lo-P Hz boxes will be available
to set up the band frequency. You can select the cut-off frequency by:
- clicking on the corresponding drop-down menu, selecting the frequency range
that includes the value to be set, and then the actual value;
- clicking on the corresponding drop-down menu, selecting the frequency range
and then moving from one value to the other by using the arrow keys
(up / down) on the PC keyboard;
- clicking on the corresponding drop-down menu and then moving from value
to value with a mouse featuring a rotating scroll wheel.
6. Filter slope
- Hi-P Slope 12/24 dB/Oct (Linkwitz) 6/12/18/24dB/Oct (Butterworth)
- Lo-P Slope 12/24 dB/Oct (Linkwitz) 6/12/18/24 dB/Oct (Butterworth)
When starting the software the H8 DSP offers Linkwitz with 12 dB/Oct.
slope by default.
E.g.: If you select Band Pass as filter type, the slope will be applied to both hi-pass
and low-pass as the default slope, but it is also possible to unbind them.
In STANDARD mode the crossing frequency for speakers
of the same front is bound to a -3 dB crossover.
In EXPERT mode the crossing frequency for speakers of the
same front is free, meaning that cut-offs can be created
with a value other than -3 dB.
E.g.: If you change the Front Woofer low pass cut-off frequency, the Front Mid-Hi hi-pass cut-off frequency will
also automatically change. If you change the Subwoofer low-pass cut-off frequency, instead, the Front Woofer
hi-pass cut-off frequency will not change.
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