preamplifier

Hello all, this is my first post here. I have designed a custom 12V battery, along with a LM386 amp circuit, which allows me to play my guitar through an 8ohm speaker fairly well However, when switching pickups from humbuckers to single coils, the audio starts to clip and distort How can I...

I'm designing a quad-preamp circuit (for an experimental musical instrument). Each pre-amp channel is read by the analog input of a microcontroller before being summed together. The issue is that there is a ton of crosstalk being reported by the microcontroller between the four channels. I'm...