I have an old Danelectro Dan-Echo that has what appears to be a tone control that affects only the wet signal... turn it up to have echoes more like the original signal, roll it back to remove high frequencies from the repeats for a more analog/tape echo sound.
Is there any way to implement such a thing with the Sea urchin? Replace a resistor with a pot, etc.? I would love to experiment with different values, provided I knew which resistor/capacitor sets were the ones applying the filtering to the wet signal.
Any input would be appreciated.
Thanks,
Shawn.
Try this:
Replace R16 with a 5kB pot. Wire one pad to lug 3 and the other to lug 1. Solder a 220R resistor b/w lugs 3 and 2 on the pot.
When the pot is all the way down, you have approximately 220R of resistance with the 47n cap (c15) forming a low pass filter with a frequency of 15.4Khz. When the pot is all the way up, you have about 5k of resistance creating a corner frequency of 667Hz. So, it essentially "cuts" the highs.
This should give a very wide tonal range on the repeats.
Sweet... thanks, Brian!
Oooh, might try this, too. Thanks, Brian!