Home » Sponsored » Pi Speakers » Anyone who could model new 18db/oct High Pass @950Hz?
Anyone who could model new 18db/oct High Pass @950Hz? [message #42519] Thu, 18 September 2003 11:40 Go to previous message
-3db is currently offline  -3db
Messages: 7
Registered: May 2009
Esquire
Dear Anyone Kind who could model this for me,

custom designed Xover: Fc = approx 950Hz 18db/oct different sort of filter: LCL

So input parallel shunt inductor of 1.3mH into polyprop 42uf series cap into parallel shunt inductor of 1.3mH.

The input inductor has a 25 ohm resistor in series plus DCR of .6 ohm: ouput inductor also has a DCR of .6 ohm driving an Lpad driving an 8 ohm Selenium D210ti compression driver.

The result I am getting seems like way too low Fc, and high distortion. I have no test equipment or even test CD now.

I think the high inductor leg resistor is too high, but I don't know. I havedone the best I can to make this thing work.

I designed a similar style filter with excellent results at 5khz, however I had only a 4 ohm resistor in the input leg.

Any Modeling would be great.

Thanks Sincerely,
-3db

 
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