Amplifier Power Rating

ByEziukwu David Ifeanyi

Amplifier Power Rating

  1. Amplifier Power Rating

The power rating of an amplifier will state the power that the unit will deliver into a specified load – at a specified distortion level & over a specified frequency range.

An amplifier specification is referred to as “X watts RMS into X ohms” can also be known as continuous average power rating.

Continuous power is the ability to do work continuously as opposed to periodically i.e. programme or peak power.

Note: This is the power rating specification an engineer should consider when looking into the power rating of an amplifier.

An amplifier’s specification usually states its:

Continuous Power Rating is 100 watts into 8 ohms Programme Power is 200 watts into 8 ohms
Peak Power is 400 watts into 8 ohms

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Eziukwu David Ifeanyi editor

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