4pi 4PI Speaker Build This is a build log for my 4PI speakers. These high-efficiency speakers have a 15" woofer and a horn-loaded tweeter.
audio 4PI Speakers and Oddwatt Amplifier In 2016, I set out to design and build a sound system for our house. Going into the project, I knew I wanted to build a tube amplifier. I'm not much of an audiophile or audio "purist", but there is something fun about tube amps that made we want to
