The final control I've added is a switch to go between 9 volt and 18 volt operation. Thirdly the "Boost" control, I've configured the second opamp to allow a range of clean boosts to be selected to really allow you to push the front end of your amp into overdrive. Secondly the "Saturation" control, this allows you to increase the clipping headroom of the circuit and have an overall "cleaner" tone while dialling in just the required amount of diode clipping. Firstly the "Bass" control - it's nicked from Paul C's Timmy pedal and works very well to add in pregain bass for more low end response. Well, I've always thought about modifiying the basic circuit (which itself is based around the old Voodoo Labs Overdrive) to give it a little more variety and use over a wider spectrum of tones.Īs you can see the "Super OCD" has a few extra controls: It's got a really nice tone when your amp is set right (I prefer it with Marshalls I must say). Permissions beyond the scope of this license may be requested.The Fulltone OCD has been an overdrive favourite for many years now. Splitter-Blend by is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License. Will Percival contributed a PCB layout for the Splitter-Blend (PDF, 56k). Thanks to: Per Cederholm for the original circuit's Return section, RG Keen for his polarity reverser article, Jack Orman for his Quad Buffer and Dual Boost circuits (available on the AMZ CD-ROM), Gez Paton for his patience and invaluable assistance with the revision process, and JD Sleep for his Parallelyzer article. The original and revised Splitter-Blend were both developed using the generous contributions of the DIY-FX community. The phase inverter can be used for interesting results when mixing dry and effected signal. Possible uses are blending two sets of effects placed in the loops, a signal splitter, a simple mixer, or to blend an effect with the dry signal. Also, a phase polarity switch is included to allow The Splitter-Blend provides two buffered parallel effects loops with a Blend control. This project is rated 2 out of 3 for the level of complexity.
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