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Speaker protection circuit diagrams

Loudspeaker Protection with Soft Start
Loudspeaker Protection with Soft Start
August 8, 2010

This is a small protection circuit from loudspeakers, from DC voltage that likely to exist after some damage in the power amplifier. [more]

DC Protection / Time Delay for Loudspeaker
DC Protection / Time Delay for Loudspeaker
August 8, 2010

The particular circuit combines enough operations, as: [ 1 ] Smooth departure of benefit of AC line of network, with delay 1sec, to the transformers of power supply of amplifier, via the RL1 and the... [more]

Loudspeaker Protection 2 for P.A output
Loudspeaker Protection 2 for P.A output
August 8, 2010

The circuit protection output of power amplifiers and loudspeakers, dispose certain interesting elements, as the isolation of loudspeakers from the exit of amplifier, when is presented continuous voltage in his exit or when the temperature... [more]