Friday, 17 February 2023

Browne Amplification Protein Blue Channel

 Schematic is avaiable HERE.




10 comments:

  1. Correct me if I'm wrong, but shouldn't R12 (1M) go from IC2/Pin3 to VCC? It looks like it's going to VREF.

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    1. Thanks for spotting that. The layout is updated.

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    1. Just one correction. Should be a 5kA for the Level

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    2. Thanks for catching that. Tagged as verified.

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  3. One more correction. The feedback resistors L3-R3 (4.7) and L4-P4 (3.3) should be shifted with each other. 4.7 should be 3.3 and the other way around. Otherwise the sound will be trebly and with less bass than intended.

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  4. David, thank you for the correction. I had an 18x19 board lying around and looked for something interesting to build today. After reading your comment regarding the resistors, I studied the schematic and came to the same conclusion. I just finished building the pedal, and I am quite pleased. Lots of gain and grit, and a very useful tone control. This one will get boxed tomorrow!

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