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Level:
Input Sensitivity: ± 10 dB relative to 775 mV input voltage when used via the sym-
metrical XLR input or relative to 250 mV input when used via the asymmetrical
Cinch (RCA) input.
Choice of the crossover frequencies
As the properties of the satellites you will be using are unknown for us, and as
room size and the positioning within the room is not known either, you can tune
the cutoff frequency of the woofer and the satellites individually.
We recommend to start with the controls in the vertical position. Normally it is
soundwise superior to have a dip in the crossover frequency area rather than a
peak. For example, if your satellites work from 100 Hz on, you should choose a
100 Hz crossover for the satellites and a 80 Hz cut off for the woofer. Thus unwanted
overemphasizing of the crossover region is avoided.
Crossover Subwoofer:
The upper frequency limit of the subwoofer can be varied between 50 Hz and
150 Hz. For sound reasons we use variable Linkwitz Riley filters, 4th order, that
promise the best integration between the woofer and the satellites. To realize these
filters it will be necessary to turn 8 potentiometers around at a time, so you will
need to put forth a small effort to make your settings. For the best results, musi-
cally speaking, we consider this to be adequate.
Crossover Satellite:
The low frequency response of the satellite speakers also can be changed between
50 Hz and 150 Hz. Variable Linkwitz Riley filters are used here as well.
Phase Switch:
With the Phase switch you can alter the phase of the SubP relative to the satellites.
Practically, this means you can change the polarity of the bass unit. Depending
on the distance between woofer and satellites 0° or 180° may be the better posi-
tion. There is no "right" or "wrong" position, you have to find out for yourself what
sounds more exact and more homogenous in the low end.
Final recomendation:
After changing the set up a few times we recommend to prove the position of the
controls again. In most cases, once the exitement of the new bottom end has set-
tled, you may prefer a solution with less bass level.
Manual SubP - page 3 of 8
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