Speaker overload (tweeter) protection using bulbs (repost)
"Dave Plowman (News)" wrote:
liquidator wrote:
"Dave Plowman (News)" wrote in message
But no speaker is designed to handle DC for long - which is what you
can get from a grossly overloaded amp. To be certain that DC couldn't
wreck the speakers would require a *much* smaller amp than would
otherwise make sense. Or, of course, use an amp which can't pass DC.
Jeez...a little knowledge is a dangerous thing.
Suggest you try driving a DC coupled amp into heavy clipping and see the
results to speakers which can nominally handle its output.
That's why I use 'clip eliminator circuits'. Did my first 18 years ago in the
1200B. Used a transconductance amp in a feedback loop (inactive until clip
sensed so no effect on normal signal).
Graham
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