High Efficiency Speaker Asylum

RE: Lowther on JE Lab OB

134.67.6.14

In Reply to: RE: Lowther on JE Lab OB posted by Brian C. on March 31, 2009 at 23:44:32

I agree with your summary of the Lowther driver's initial design, but not with your assessment of Lowther's performance in open baffle designs.

Granted, they were not designed for open baffle speakers, but they work oustandingly well in that service. It is true that you cannot expect to plug and play them in open baffle service. But if you use the 15 ohm variety, which has 3mm of x-max, and apply the appropriate crossover components, which are not very complex (only a single inductor in the signal path), then they are quite amenable to open baffle service, and in fact, excel in that service. The thin paper driver, as it turns out, was not so amenable to backhorns and any compression chamber designed speaker, because of the ease for reflected sound to echo back through the driver, and because the cone can deflect easily due to backpressure causing distortion.

I would enABL the Lowthers to make them world class.

Retsel

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RE: Lowther on JE Lab OB - Brian C. 04:59:54 04/04/09 (0)

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