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bjackson 28th October 2005 08:30 PM

Aurum Cantus Woofers
I did a search and found very little information about these.

Does anyone have experiance with any of them?

The AC-125 (

seems the most interesting to me, any thoughts from looking at its raw data?

lei 28th October 2005 09:03 PM

Aurum Cantus 5" and 6" woofers are really good for mid range and mid-highs. Their bass is deep and musical too, but not as deep as SEAS excel. They are very good to mate with ribbon tweeters at xo frequency above 3kHz.

bjackson 28th October 2005 09:11 PM

That's what I was wanting to hear.

Any thoughts about using the 6.5" I linked to with a Fountek JP3/G2Si ribbon?

lei 28th October 2005 11:41 PM

The 6.5" should work fine, but personally I would go with 5.5", or match the 6.5" with a larger ribbon like the G3 ribbon in Aurum Cantus Leisure 3 SE.

bjackson 29th October 2005 12:11 AM

Well just looking at the specs it appears the 6.5" can reach farther up. I realize beaming is an issue, but my x-over will be at 3.5khz 4th order on the tweeter I suspect....

Also this may be used without a subwoofer and I'd like as large of an SD as possible.

lei 29th October 2005 01:10 AM

Again, I don't see any problem. Actually, AC-165 is one of the best 6.5" for midhigh applications. Please post your xo layerout once determined.

bjackson 29th October 2005 03:51 PM

First x-over design
I just finished this design. I am not totally sure how the 8 ohm woofer became 4 ohms in the final impedance, LOL. I just kept experimenting until I got it where I liked it.

It's 3rd order L-R on the woofer, 4th order LR on the tweeter 3500hz.

D2 is the tweeter (G2si), D3 is an Aurum Cantus AC130MK2 (the AC165 just had too of a jagged freq response)

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