I have a Marshall DSL 100, about 2 years old. I run it through a 1960A. I have noticed in the last couple months a weird sound. THe sound occurs only when I switch from dirty to clean (usually heavily distorted to the clean channel). The sound resembles kind of a "swooshing" vaccum like sound, that kinda swells and then goes away in a second or two. I just had the amp re-tubed and re-biased, and its still there. Anyone ever heard of this?
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Alright...Im stumped (and so are amp techs i have talked to).
I have a Marshall DSL 100, about 2 years old. I run it through a 1960A. I have noticed in the last couple months a weird sound. THe sound occurs only when I switch from dirty to clean (usually heavily distorted to the clean channel). The sound resembles kind of a "swooshing" vaccum like sound, that kinda swells and then goes away in a second or two. I just had the amp re-tubed and re-biased, and its still there. Anyone ever heard of this?
I have a Marshall DSL 100, about 2 years old. I run it through a 1960A. I have noticed in the last couple months a weird sound. THe sound occurs only when I switch from dirty to clean (usually heavily distorted to the clean channel). The sound resembles kind of a "swooshing" vaccum like sound, that kinda swells and then goes away in a second or two. I just had the amp re-tubed and re-biased, and its still there. Anyone ever heard of this?