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Rethm
Geoffrey Armstrong
July, 2010 Lowther drivers are so incredibly realistic sounding that people tend to fall in love with them on first hearing. There are many designs with Lowther drivers mounted either in a fairly simple cabinet with horm loading or very elaborate and very large horn loaded designs. However, no driver is perfect and the Lowther is not without its limitations. Its performance in the lower frequencies is limited and it has a peak in part of its frequency range famously known as the Lowther ‘shout’. Jacob George is one of those who fell in love with the Lowther sound. However, being an architect by profession he set about applying his considerable design skills to get the very best out of them. The result is unlike any conventional speaker cabinet. I prefer to think of it as a device for squeezing the very best performance out of the Lowther drivers. It is also incredibly compact and elegantly designed. Jacob also extensively modifies the driver itself to cure the Lowther ‘shout’. Having achieved those goals his next challenge was to augment the Lowther driver with a pair of dedicated bass modules to handle the lower frequencies. This is a considerable challenge, since the Lowther driver is so ‘fast’ and bass drivers tend to be sluggish in comparison. The solution Jacob came up with was to seamlessly blend the bass driver which is driven by its own transistor amplifier, with the main Lowther driver. The result is a rich, full-bodied, coherent sound, which should satisfy lovers of all types of music. You haven’t really heard the wonderful Lowther drivers unless you’ve heard them in a Rethm system. There’s a very good chance you’ll fall in love! Visit Rethm
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