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ADA FLANGER CLONE Here is some information for building a circuit based on the A/DA Flanger. The rev.01 PCB layout, below, has been fabricated and verified to work by several members of the DIYstompboxes.com forum. Rev.02 of the PCB incorporates a few minor tweaks/improvements and has also been verified. Building Notes (PCB rev.01 & rev.02) PCB
Layout (rev.02) PCB
Layout (rev.01) Calibration and Bench Test Procedure Bounce
Mod Diagram (untested)
Additional documentation and background info... Some time ago, the original Rev.3 circuit was adapted by Mike Irwin to replace the out-of-production, obsolete MN3010 with the also out-of-production, but much easier to obtain SAD1024. His modification was then verified with a very impressive strip-board construction that was built by Stephen Giles. My revised schematic, above, is a hybrid of the original Rev.3 and Rev.4 versions with Mike's SAD1024 adaptation. In addition, my layout includes a transformerless regulated (LM7815) power supply and a number of additional pads to make experimenting with the circuit easier, and to allow for easy implementation of a number of alternative modifications (see Building Notes, above). I collected the following from files that the very cool members of DIYstompboxes.com posted and sent to me over the years (Bill Bergman, Mike Irwin, Stephen Giles, et al... thanks y'all!). This is most of the background documentation that I used to put together the updated clone circuit, above. Mike I mod SAD1024 ADA flanger rev3 layout1-1.pdf
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charlie AT moosapotamus DOT net
