LCR crossover for Oris Ultra (BD-Design)

by GC @, UK, Thursday, February 17, 2005, 10:37 (4716 days ago) @ GC

Hi Kohjin,

I was also trying to engage others in my note below in cross-overs, but no-one else apart from Bert seems to been experimenting much! Or maybe people are just too busy!

Does anyone have any opinion for higher frequency for Ultra, say 200Hz?
Also, does anyone have any experience of more sharper 18dB/Oct passive
filter which I want to try?
I'm interested in LCR filter.

My bass system is open baffle with an Oris 200/AER-DX4. I started with Bert's old 18db/oct passive line filter driven from the amp. For my set-up the roll-off is too high - lower mids are too "rich".

Recently, I've been playing around with 2nd, 3rd and 4th orders and different frequencies. So far, 4th order seems to be best, but this is active and not passive (i.e. driven from my TVC preamp).

I'll share more later when I have more time.

In the meantime have fun experimenting!

Kind regards,



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