How to build the DIY Robert speaker?

This is quite easy. The cabinets of the Club-27 speakers are all straightforward to build. Below you will a PDF. It will guide you through the process of building the speakers.

A - Robert cabinet plan DIY plywood package:

• Start here >>> Overview
• Applying damping material
• Crossover filter
  R1 = 15 Ohm, R2 = 15 Ohm, CAP = 1,0 µF