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Requesting MMG crossover advice

209.98.144.239

Posted by 40for60 on April 20, 2007 at 17:14:32

This is my first post. First of all, I'd like to thank everyone who gave how-tos and advice on MMG (and other) crossover mods in this group. Thanks to you, I was able to do an external crossover mod. I've never done anything like this before, and if you saw the inside of my external crossover box you'd probably laugh, but hey, it works, and it is a definite improvement. The most difficult part (other than getting the courage to do it) was that I used anticables for the internal wiring, and while I like it the wire is a little difficult to work with for something like this.

Of course, now I'm thinking of ways to improve things a little, so I have a couple of questions. First off, these are the parts I used for each speaker: 24uf Sonicap for the high pass filter, a 25uf Dayton cap for the low pass filter, and a 2.2mH Erse SuperQ I-core for the inductor.

So these are my questions:

- I have read here that a bypass cap on the high pass filter can make an improvement, and that a Paper In Oil cap would work well. If so, what value should I use? Would 0.1uf be enough, or would .22uf be the minimum that I should use? Any suggestions on the brand?

- The bass definitely is deeper after the mod, but to me it seems a little muddy. Is it possible I need to reposition the speakers after the mod (certainly I can try this anyway)? Anyone have any other suggestions to possibly improve this?

Thanks in advance for any advice!

Tom

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