Avantgarde DUO SD Manuale d'uso - Pagina 15
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OPERATION – SUBWOOFER DSP AMP
DSP USER INTERFACE
1 6
EQ SETTINGS
1 1
1 2
BASS GAIN
BASS BOOST
1 3
1 4
LPF – RANGE
1 5
OFF
FILTER 1
–3dB
–6dB
OFF
FILTER 2
–3dB
–6dB
� Please note that all changes in the Avantgarde control software
immediately become audible in the speaker. This way it is easy
to verify the changes by listening and fine adjust if required.
30Hz
40Hz
60Hz
80Hz
110Hz
160Hz
220Hz
320Hz
+4
+3
+2
+1
0
–1
–2
–3
–4
0
1
2
3
4
5
6
30Hz
40Hz
60Hz
80Hz
110Hz
160Hz
220Hz
320Hz
OPERATION – SUBWOOFER DSP AMP
DSP SETTINGS
The BASS GAIN slider
The BASS BOOST slider
below 45 Hz. This allows to tailor the bass response from "linear" to
"fat".
For individual frequency settings use the 8 x band equalizer
of the 8 x bands can be increased or decreased by up to 4dB. This
can be used to tailor your bass response to specific sounds (linear,
techno, disco, pop, etc.) or to reduce some wide–band room
7
resonances.
The LPF–RANGE slider
subwoofer. The crossover frequency in its factory setting is linear.
The frequency response of the subwoofer seamlessly crosses over to
the frequency response of the midrange horn. Both response curves
do not overlap and there is no gap inbetween. The crossover point
can be used to adjust the "tonal balance" of the system.
When set to a higher frequency, the subwoofer will partly overlap
with the midrange horn response. This will add "warmth" and give
1
a richer "body" to the sound character of certain voices and
instruments.
2
If the crossover frequency is purposely set to a lower frequency,
subwoofer and midrange frequency response will have a small gap.
The tonal balance of the system will shift to a more horn typical
"dynamic" and "punchy" sound.
FILTER 1 & 2
of –3dB or –6dB. These filters can be used to elimante/reduce
unwanted narrow band resonance frequencies of the room.
Use commonly available frequency sweep apps to detect the
position (Hz) of possibly occuring room resonances. Or play bass
1
heavy music through your system and slowly slide the FILTER set at
–6dB upwards until the "boominess" improves.
28
29
�
sets the overall volume of the subwoofer.
�
increases the low frequency response
�
sets the upper crossover frequency of the
are narrow band "notch" filters with a negative gain
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. Each