Infinity Amp Subsonic Filter Help
#1
I have a infinity 1210a amp and Kicker DCVR12, the kicker manual says I should use a 25hz, 24 db per octave subsonic filter and on the infinity manual it says I can use the DBO as a subsonic filter by setting the hp freq to 10hz below tuning frequency of the enclosure. I dont really understand that part and I was wodering if anyone could help me.
hears a pic of the amp http://akamaipix.crutchfield.com/pro...10A-l_dmt.jpeg
and a link to the subs http://www.circuitcity.com/rpsm/oid/...cation.do#tabs
thx for the help.
[ December 05, 2005, 11:31 PM: Message edited by: chrisx3 ]
hears a pic of the amp http://akamaipix.crutchfield.com/pro...10A-l_dmt.jpeg
and a link to the subs http://www.circuitcity.com/rpsm/oid/...cation.do#tabs
thx for the help.
[ December 05, 2005, 11:31 PM: Message edited by: chrisx3 ]
#2
Subsonic filter is just a high-pass filter. The reason it is set a bit lower than tuning frequency is because of the crossover roll-off. Setting it right at the tuning frequency would attenuate the good stuff and that's not what you want it to do.
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