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Speaker Asylum: RE: How are you using it? by Belgarchi

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RE: How are you using it?

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These Opera Callas have an internal volume of ~11 liters and a vent of 4.7 x 20 cm. The enclosure is also incredibly well built, and made of... thick solid wood. The 'knocking' test sounds like a rock.
A flat response in a bass-reflex enclosure requires 11.4 liters, for a F-3 of 46 Hz.
With a test CD, 40 Hz still sounds loud and clean.
I read that the Scan-Speak 7" 'carbon-paper' woofer are exceptional in the lows, but they don't behave nearly as well as the 8530K-00 in the mids.

Yves


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Topic - Best Mid-Bass of All Times! - Belgarchi 18:51:03 07/8/12 ( 80)