Contacting the forum staff:

Automatic registration has been enabled again. If you wish to contact the fullrangeforum administrators here is a graphic of their email addresses.

The Gallery is currently off line. I am trying to bring this back as soon as possible.


This website is dedicated to full-range driver loudspeakers such as Lowther, Fostex, Diatone etc. These loudspeakers try to cover the major frequency span of human voice and common musical instruments without a crossover to another driver. The website also covers wide-band drivers, those that try to cover most of the frequency span and only rely on another driver at the extremes usually either a supertweeter or a subwoofer. Horn loudspeakers are also featured. Some horn solutions help extend full-range drivers, and other horns attempt to cover a wide frequency range with one or more drivers.

This Ultra-Fi site owned by James Melhuish.
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Copyright by James Melhuish and Jennifer Shearman, 1999-2008, except portions Copyright by noted authors.