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{This is a limited-content document that will be used in my upcoming Tube Amp Class and Book.}

Output Stages

by Mike Fratus,

At the end of the signal chain in most amps is the Power Output Stage.

This is the part of the amp that pushes the sound out of the amp and into the speaker.

It has the job of transforming a large voltage signal into one that has enough current to move a speaker cone and be heard clearly.

For that job in Vacuum Tube Amplifier you need a powerful tube