Hey guys, I am having my UM3X's re-molded by fisher in about a week or so. At the moment I am trying to figure out how to design these puppies properly. The idea is to, essentially, make them sound as close to the ES3X as possible. I have called Westone and asked about the ES3X's design so here is what I know:
1. The ES3X is dual-bore while the UM3X is a single
2. The Dual-Bores are split as so:
3. The Westone music rep stated the filters used in the ES3X were 680 Ohms. Now this is the part where I need your help, does this make sense that
the ES3X would use a 680 Ohm filter in both bores? Could any owners/knowledgeable head-fier's help me out? I want to make sure a different filter
is not for the woofer. Logic dictates that if the single-bore UM3X uses a 680 ohm filter which all frequencies pass through, then this should work
fine, but this is not my area of expertise.
Purpose: Kayasen (sp?) over at Fisher says she can do the dual-bore modification just fine, however, they would need to figure out the filters used in
each bore. I want to maintain the westone sound signature while, hopefully, improving the clarity and impact of all frequencies, but with a
priority on the treble.
I plan on calling Westone tomorrow to double check on the specs of the ES3X, and I will probably ask the audiologist who is doing my impressions what he knows about the westone custom lines (since he is an authorized dealer). Hopefully this thread will result in some answers and could also help others who are thinking about re-molding their UM3X's. You can bet I will be posting my impressions once they are done!