DOD 460 Mini Chorus Unity Gain Mod?

[sevenisthenumber]

Anyone know how to do this?

[cmilless]

This isn't my picture but this is pretty much what I did. These are the two feedback resistors for the output opamp. You need to increase the values of these to get more makeup gain. I made them both 58K and that got me very near unity gain with out distorting the op amp (I didn't have anything higher than that except 100k at the time).



Here's the schematic for it. Notice the changes in red. Those are revisions to the original schematic that seems to be floating around everywhere. This is actually what the real circuit is in my version anyway. The changes in blue are the mods I made. I also increased the input impedance closer to 1M ohm by swapping out that input resistor to 820K.



This guy, tonmann on photobucket, suggested putting a 100k pot in place of the 47k resistor. I think that's a fine idea. Here's his schematic:

[cmilless]

Actually, make the 10k a 33k and not a 58k. I didn't notice till i ran a distortion pedal in front of it- it sounded a little tinny.