Indy 8 – Powered 2.1 system subwoofer

A self-powered 2.1 system contained in a compact 8” subwoofer enclosure.  With the addition of a signal source and a pair of small satellites a fully independent full range system can be setup.   Design Goals For the subwoofer,… Read More

ISO El-Cheapo

An inexpensive Isobaric loaded subwoofer when the most bass is required for the smallest amount of money in a small enclosure.  This was an upgrade for an older cabinet that had used Pyle 10” woofers.  The old woofers… Read More

DIY Bass Amp PPA100

A Portable Practice Amplifier for bass guitar, designed to have a far more accurate frequency response than the typical commercial offerings.  This design goal makes it suitable for a mono music blaster, a keyboard amplifier, or whatever needs… Read More

Advanced Speaker Design Simulation

Before you start making sawdust in the shop, there are a whole host of tools available to the DIY speaker enthusiast that can help you estimate and design your speaker on your computer.  For engineering nerds like myself,… Read More

The Art of Do It Yourself Speaker Design

Even before I was a bass player, I’ve been obsessed with the bottom couple octaves of the audible spectrum. At some point, I decided that subwoofers were expensive and I should design and build my own. With a… Read More