Most diy delays are built around the infamous PT2399 IC. You can't really rely on it because 9 out of 10 chips produce a mild to strong hissing noise in the repeats. The only way around it is to have a lot of them and try them out until you find the most silent one.
The Mad Professor Deep blue delay. Moded with an extra module to allow setting delay time by tapping, accompanied by LEDs that flash to the selected time, a switch to choose between true bypass or bypass with tails. Also, installed an expression pedal out, where you can connect your expression/volume pedal to alter the feedback (repeats) while you play.
I got confused and the expression pedal out is on the opposite side from the marking on the decal, but I don't think that's enough of a problem. :D
The Mad Professor Deep blue delay. Moded with an extra module to allow setting delay time by tapping, accompanied by LEDs that flash to the selected time, a switch to choose between true bypass or bypass with tails. Also, installed an expression pedal out, where you can connect your expression/volume pedal to alter the feedback (repeats) while you play.
I got confused and the expression pedal out is on the opposite side from the marking on the decal, but I don't think that's enough of a problem. :D
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