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I need some advice on what to build.
http://diyaudioprojects.com/Forum/viewtopic.php?f=11&t=6414
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Author:  bugeyed [ 04 Dec 2018, 12:39 ]
Post subject:  I need some advice on what to build.

I have several ScanSpeak 18W/8531G00 drivers. They are drivers that came out of Sonus Faber Cremona speakers that had suffered an encounter with a cat. Minor surround damage that I am repairing with adhesive. I have been wanting to build a high quality 2 way speaker & wonder if I can use these for the mid/bass drivers. I have a nice subwoofer, so the extreme low end is not a concern, it's the question of how well these will work for the mid range. I have some tweeters (ScanSpeak Discovery R2604_8330), but may consider purchasing others if they need to extend a little lower to crossover better with the woofers. I'll try to attach PDFs for the 2 if they're not too large. I have 4 of the "mid/woofers", so using 2 in a 3 way is a consideration.
OK, maybe a link? https://www.madisoundspeakerstore.com/ring-radiator-tweeters/scanspeak-discovery-r2604/8320-1-tweeter-ring-radiator/
https://www.madisoundspeakerstore.com/scanspeak-woofers-6-7/scanspeak-revelator-18w/8531g-00-7-mid-woofer-8-ohm/

Thanks,
Kev

Author:  Peter W. [ 19 Mar 2019, 11:43 ]
Post subject:  Re: I need some advice on what to build.

I think that cat was making a statement - probably accurate.

However:

a) A 6" speaker is only a woofer in Lilliput.
b) Those are decent tweets.

With that in mind, and as you have the bass covered, build mid-high satellites, and set your crossover to the subwoofer around 250 HZ or so, No less than 200, no more than 500. Look at the response curves for each of the drivers, and try to set the crossover points such that the curves are flat across the top.

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