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peppermint fuzz Q2 trimpot

Started by mordechai, February 28, 2011, 12:31:27 PM

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mordechai

February 28, 2011, 12:31:27 PM
An informative fellow on the board related to me that in the peppermint fuzz, "he bias resistor on Q2 is a 50k pot with a 2.7k resistor in series.  I am guessing that a 50k pot accomodates the much higher gain than the typical Q2, but what purpose is served by the 2.7K resistor?  It seems like a pretty minor addendum.  Why not just use a slightly higher value trimpot?

Govmnt_Lacky

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February 28, 2011, 12:43:30 PM
I would venture to guess that the 2.7K resistor allows for there to ALWAYS be some minimal resistance even when the trimpot is set to 0.
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