Speaker Asylum

RE: Woa, it's not this simple at all.

207.216.246.51

In Reply to: RE: Woa, it's not this simple at all. posted by Halcroman on May 14, 2008 at 18:45:09

>>>Now I don't want to start again and I don't want to change the sound!

The original sound died when the tweeters died, and died harder when the midranges died. That sound, even if it WAS as good as you thought, is now simply gone. You can't put different drivers in and just "change the cap values to suit". There is far far more to it than that.

>>>Any help you could give would be appreciated?

There are no two capacitors on the planet that are going to give those speakers as they sit a proper frequency response. Now, if your trial-and-error methods and "tweaking by ear" have gotten you what you consider to be good sound, don't let me rain on your parade. But a speaker designer with any experience can tell you that you're not even going to get into the BALLPARK using the methods you have described, especially considering the GLARING problems one can see with those baffles. And we're not talking about salvaging big $$$ worth of exotic wood cabinets here...

I would:

1)Salvage and sell the Scan Speak drivers. A properly designed speaker with $30-50 drivers would outperform those speakers in a heartbeat (sad to say).
2)Scrap old speakers (give them honorable death since they served you well)
3)If you want good sound, buy some good speakers. Do not spend money on expensive parts and boutique capacitors. NOTHING besides good measuring equipment and years of experience will make even the most lavish components sound anything like a real speaker.
4)If you want good sound AND want to build speakers but have no interest in measuring driver responses, don't try the textbook formula approach. Don't try and import manufacturer curves into design software. DO get a nice kit and get huge value for the dollar, including the fun of assembling your own project.

I recommend Madisound or Parts Express for kits.

Don't worry about driver quality. A decent kit will have better balanced sound than anything you (or anyone else) can "tweak by ear". The human hearing system really falls short when it comes to being objective enough to use a measurement tool.

Cheers,
Presto

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