The Majella Audio VVCA is a dual voltage controlled amplifier (4 HP) with an additional input for Velocity CV. This input allows you to control the CV amount through another internal VCA.
The VVCA DIY kit is great for beginners and a lot of fun for more experienced builders. No trimming required, The Printed circuit board is perfectly symmetric and the DIY manual shows the complete build step-by-step.
You only need a soldering iron and wire for this one!