I bought by mail a couple of twin piezo pickups. On inspection I found the cables connecting the discs to the pots to be so long that I couldn't install them into the narrow profile cigar box. As I had a spare unit to use as a pattern at I decided
Am starting out building cbg's and as I already have a small 20w amp and speakers will want to play around with making my noise loud. I do not understand what type of pickup to use and whether a pre-amp is needed nor do I know how to reach a conclus