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In Reply to: RE: Because Amuricans are getting fatter and fatter, so they want speakers slimmer and slimmer posted by Richard BassNut Greene on May 03, 2008 at 13:08:02
"Larger diameter bass drivers have an operating range that is lower than smaller diameter drivers, and lower levels of bass harmonic distortion, all other things equal."
I disagree with your statement. There are tons of small cones that go far lower in response than large diameter cones, one example in my control room is a Tannoy PBM 6.5 with a 5.5" cone, flat to 55 HZ, while a guitar 15" may be rolling off at 100 HZ, and make buzzing noises when subjected to low bass.
Small cones can be designed to go just as low as large cones can.
Many 15" and 18" "LF" drivers have gross levels of harmonic distortion, it is not uncommon to see the first harmonic near the same level as the fundamental when testing below 50HZ.
The only thing distortion has to do with diameter is it takes more small cones to equal the output of a larger cone if they have the same X-Max. A smaller cone with a longer X-Max can easily have better distortion specs than a large cone with a short X-Max.
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