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    Choosing gain potentiometer value for SD-1 mod

    I am not sure I really understand how pot value works for the gain control in a circuit. I'm hoping somebody can explain like I am 5. I modified an SD-1 and changed R6/C3 to give the pedal more gain. It still has the stock 1M pot. I have all the gain I need at about 12 o'clock. Am I correct in...
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    New Wampler DIY Mod Book

    Brian Wampler has two new mod e-books up on Amazon. One is a book on the Boss DS-1 and the other one covers the Boss BD-2 Blues Driver. I have both and much of the content is already contained in his original book "How to Modify Effects for Maximum Tone". Also the first 5 chapters of both of the...
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    What qualities enable a pedal to cleanup with guitar volume??

    Can someone explain what helps a dirt pedal clean up with guitar volume? I recently did 11 Gauge's SD-1 to OCD conversion and while it cleans up reasonably well it does not clean up as well as I would like. It does not seem to clean up as well as the real OCD. What aspects of the circuit would...
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    Question about old thread--SD-1 to OCD Conversion

    I am currently working on the SD-1 to OCD Conversion posted by 11 Gauge over ten years ago. Part 1 https://www.tdpri.com/threads/sd-1-to-ocd-cc-drive-conversion.153474/ Part 2 https://www.tdpri.com/threads/sd-1-to-ocd-cc-drive-conversion-part-ii.156945/ Illustrated...




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