Dumbletone Voice control

[Roland Anderson]

I built a NT Dumble for a friend and he asked me about the function of the voice control. I’m not really sure what it controls. He says that in his mind it pans from a Bluebreaker sound to a more ODS sound. I didn’t play it enough to actually come up with that conclusion. What is your take on it?

[Barry]

It changes how the frequencies hit the clipping stage.

It adjusts the low and low-mid content before distortion occurs. Because of that, it changes the character of the overdrive.

Lower Voice settings:

• Tighter low end

• Smoother response

• More focused mid character

Higher Voice settings:

• More low-mid content into the clipping

• More open and articulate

• More cut in the upper mids

Since this control works inside the gain stage, it affects how the pedal distorts rather than acting like an EQ after the fact.

[Chris Huss]

Does it also alter the bais of Q2?

[Barry]

No, it doesn’t change the bias of Q2.

[Author]

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