Building the Subwoofers – Vandermill-Audio

DIY-Subwoofers

While the goal of building the arrays was to have a system that can do it all, from the lowest

As I’ve already build my set of subwoofers, to help out my arrays with the bottom end extension, I might

Choosing a woofer for this project to fit my needs made me look at the Scan Speak 30W. I needed

Even though the outer dimensions were pretty much fixed at 40 x 40 x 40 cm, I wanted to create

On to the separate parts, let’s start with the front baffle. This baffle consists of 2 pieces of Birch ply.

First up, the inner baffle that the driver bolts on to. Baltic Birch ply, 19mm. Same hole pattern as the

The brace is kept as simple as possible. It makes the enclosure more rigid and will move panel resonances up

Starting with the top panel, made of 19mm baltic birch. The bottom panel is exactly alike, except for the few

Just a few parts to go, a few braces (4 of each) that are put in the corners of the

To power the subwoofers I used the Hypex NC500MP module. It is a nice, compact and efficient 500 watt into