In article , David Hearn
wrote:

Are they Job Public's requirements or just audiophiles requirements?

Joe Public's. If the enclosure is wrong, it will sound worse than the
cheapest and nastiest commercial ones.

--
AJL Electronics (G6FGO) Ltd : Satellite and TV aerial systems
http://www.classicmicrocars.co.uk : http://www.ajlelectronics.co.uk