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PostPosted: Wed Apr 11, 2018 8:35 pm 
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I built the Triangle version of the Large Beaver and everything is working but when I set the EQ to Flat the tone knob seams to work backward. If I turn it all the way clockwise the volume drops and it gets very dark, and when I turn it back counter clockwise it gets brighter and the volume comes back. It only works this way in the flat mode, not sure what I did wrong.


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PostPosted: Wed Apr 11, 2018 9:17 pm 
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Joined: Tue Jan 02, 2007 1:24 pm
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Location: Albany, NY
Sounds like you either made a resistor or capacitor placement error in the EQ stage of the circuit, or perhaps there's a bad solder connection on one of them or on the rotary switch. Refer to the green-shaded areas of the two diagrams below for the components in question:

Image

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PostPosted: Wed Apr 11, 2018 11:19 pm 
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Joined: Wed Apr 11, 2018 8:32 pm
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Thanks, I will check that out tomorrow.


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