View Full Version : FYI - Loud Speaker Protection (audio info)
12-06-2003, 01:12 AM You can get them at Radio Shack or any
Hardware Store...Check out the info below:  Fusing Loudspeakers
By Mark Mattson April 1998  In lieu of buying comparatively
expensive electronic limiters, you can use standard AGC fuses to
protect your loudspeakers. AGC fuses are those small glass
cylinders with metal end caps. Electronic limiters are more
sophisticated and can "read" the content of an audio signal.
They can apply protection as needed depending on signal content
and the limiter settings. By comparison, fuses are dumb devices.
They respond only to current flow and to a fixed time constant
(i.e. fast-blow or slow-blow).   The hardware required for
fusing is simple and available from Radio Shack or other
electronic supply sources. You need AGC fuse holders, fuses, and
a little labor. A good AGC fuse holder to use is the block type.
It has two metal "U" clips to hold the fuse mounted on a plastic
block with solder tabs and h