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In Reply to: RE: 3.6R "Shoot for the Moon" Internal Passive XO posted by Barry on March 18, 2012 at 14:27:48
Are those big round black things Duelund caps? Huge! :-))
You said "the bass panels are driven directly with an active XO". I presume you mean you have replaced the external passive XO boxes with a 2-way active XO ... which feeds the bass panel amp as well as providing a mid HP signal to the mid/ribbon amp driving those internal XOs?
"Andyr", I think he chose to scratch his left ear with his right hand.
The big one is the cap. The two smaller ones to the right one on its side are the cast inductors. Right about the setup. One amp drives the tweet/kids another the bass panel. There's a 3rd that drives the subwoofers.
After 15 hrs the systems opening up. Theres a purity to the sound that wasn't there before - less "mist" and a bit of dryness is gone. I was afraid that the different dcr of the inductors might change the blending of the drivers but that doesn't seem to be the case. Whether it's as good as your 3way active I'll never know but I think it's going to sound pretty good.
I wouldn't be surprised if it took a couple of hundred hours to reach its peak. :-))
And re. " Whether it's as good as your 3way active ..." I suspect that going 3-way active only adds a small improvement over 2-way active plus a fine internal XO rebuild like you've done. So I'm dead sure it's going to sound pretty good! :-))
What I've found does give a big improvement, with my Frankenpans, is having the mid on a separate sheet of mylar to the bass panel, so you can physically separate the bass frame from the mid/ribbon frame.
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