filter values (BD-Design)

by GC , Leicester UK, Friday, September 02, 2005, 16:41 (6810 days ago) @ GC

hello everybody
i am very interested in the filter setup and values that you use and with
the
Oris Reference Ultra
i am playing with it and i think it is very room dependend
and taste of course
the filter that i have now is
input 2,5k/1,5uf/3k/0,39uf/pot100k out
but thats only at this moment, i wil try different values
what it jour favorite filter??

Hi everyone, I have been using so far a first order filter
with a system bass BD30 / AER.
I do not like too much the overlap with the fullrange
- sounds cloudy-muddy - moreover the woofer goes too high
where i want to hear the set amp and that creates a + in db
where the two speakers overlap (a minus if i reverse the
phase of the BD30).
So far I got something rather balanced by multiplying by 2 the resistor
value in the original filter (that Bert sent me). I think that it just decreases the Xover freq by 2.
- sorry Bert I just do not remember the value of the capa -
Since all of you are using 2nd order filter I am starting thinking that
the adjunction of a R2/C2 stage might be the way of removing the upper sounds from the woofer that is moreover out of phase, with a sharpest slope.

My questions to the knowledgeable assembly:
1/ Would anyone give me some starting values for a "second
order" filter?
2/ Is there any sonic interest in using good components
(capa and resitor)

Thanks,
cheers.
Vincent

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