The operation has begun: Adding piëzo's. This bass made by Jelínek lacks some on the low end (listen to the sound sample with the bass on the left channel). http://www.utapia.nl/images/Baby3-baslinks.mp3 http://www.utapia.nl/images/Jelinek27juni2006-3.mp3 There's isn't room for a second pu because of the three octave neck. I guess these RMC piëzo's will do the job. This is new territory for me, so very exciting. Drilling and milling time is knocking on my door. Has anyone any suggestions or warnings? Here are some pictures of the bass as is and some with the parts what needs to be done: Adding two pots, a pre-amp and a batteryholder. And offcourse removing the bridge and adding the new saddles with piëzo's.