The Output Transformer Circuit: Mercury’s circuit equivalent of an Output Transformer

The above circuit reveals the properties of an audio output transformer. The transformer is a reactive component—its values change depending upon the information feeding it. Transformers for tube-based electric guitar amps are designed to intentionally provoke the tubes into distortion—the polar-opposite of demands of hi-fi. The best guitar tone comes from harnessing and manipulating the inherent flaws of the imperfect transformer. This is where art meets science in our pursuit of great guitar tone.