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In the Forum: Audio Discussions
In the Thread: The ULF cannel for my new listening room.
Post Subject: The thoughts...Posted by Romy the Cat on: 9/11/2018
I has been thinking the whole evening about the subject of
the ULF hardness I was experiencing today and here is my leading hypothesis. I always
was pitching that a sharp order filter is a barbaric thing to do, particularly
at LF. Still, here I am, using the 4th order at my ULF. The 4th
order at ULF was a good thing to do in my former room where I have slow opening
true 40Hz horn load with over dumped driver. I needed to modulate speed and weight
at the bottom of the soft sounding horn. In my current room I have no “soft
sounding horn” but I have a direct radiators that are neutral in terms of “loading”.
So, I need a completely different crossover at my ULF and I might even revise
the architecture and let the IB to move slightly into auditable range. I am thinking about second order now, probably
at 20-25Hz… It will be very interesting to experiment… Rerurn to Romy the Cat's Site