Look here for bare boards, etc of interest to do it yourself modular
builders who make custom modules.
Contact us for specific foreign shipping rates. Note that we have a $50
minimum export order.
These products require more work and knowledge of electronics than our
regular kits. Support and repair service may not be available;
builders! Special Purchase,
Filthy Filtre 2310 Bare PCB Classic state variable filter design for serious DIYers:
12db/Oct Low Pass, Band Pass, High Pass, Notch individual outputs.