O'Reilly logo

Audio Power Amplifier Design Handbook, 4th Edition by Douglas Self

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

15

Amplifier and loudspeaker protection

Categories of amplifier protection

The protection of solid-state amplifiers against overload is largely a matter of safeguarding them from load impedances that are too low and endanger the output devices; the most common and most severe condition being a short across the output. This must be distinguished from the casual use of the word overload to mean excessive signal that causes clipping and audible distortion.

Overload protection is not the only safety precaution required. An equally vital requirement is DC-offset protection – though here it is the loudspeaker load that is being protected from the amplifier, rather than the other way round.

Similarly, thermal protection is also required for a fully ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required