The amp was designed to be basic and classic allowing for warm clean tone at low volume and transitioning gradually into rich power tube overdrive distortion at higher volume, while encouraging the builder to experiment with basic circuit variations to find their preferred tone. Many amp builders and guitar players have found that the quality of tone is degraded more and more with the addition of internal effects and channel switching. (Also, more effects and more tubes make the amp more of a workout to carry around.)

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