Article entitled 'High quality book-shelf speaker - An infinite baffle design using two drive units' by J. H. Wilkinson, Independent Broadcasting Authority. Published in Wireless World, October 1977.
Permission to publish the document on this website was provided by Phil Reed, Editor of Electronics World (Formerly Wireless World), on Tuesday 23 March 2004
The electronic copy published here was provided by Peter Jennings on 23 March 2004. Peter may be contacted through email@example.com or on the Forum (User Name: pjaj)