The L4 Bass preamp is a pedal adaptation of the two-channel preamp of the L4 bass amplifier from the late 1970s, a downtuned relative of the legendary L5.
This kit contains the PCB and all necessary parts. The enclosure can be selected, please select 11 knobs, up to 19mm diameter, for 6,3mm shaft separately.
Here is the bill of material: bill of material
This project is by Aion Electronics, in collaboration with Musikding. If you have any problems with the contents of the kit, please contact Das Musikding (Klaus).
Here is the direct link to the manual with layout and schematic: