08-16-2008, 03:40 PM
Passive radiators.
Philco's name for them at the time was "Acoustic Clarifiers."
A couple of pages explaining their use:
http://en.wikipedia.org/wiki/Passive_radiator_(speaker)
http://www.diysubwoofers.org/prd/
(edited by site admin to correct link)
Philco's name for them at the time was "Acoustic Clarifiers."
A couple of pages explaining their use:
http://en.wikipedia.org/wiki/Passive_radiator_(speaker)
http://www.diysubwoofers.org/prd/
(edited by site admin to correct link)
--
Ron Ramirez
Ferdinand IN