restoration of 220v electric subwoofer with capacity of 250w restore and reuse old b&w subwoofers - duration 1727. 10 hardcore diy halloween projects andrew moseman 1042018. See more ideas about diy boombox, subwoofer box design, diy speakers. Hardcore speaker hobbyists take delight in figuring all this out for themselves, designing and building the crossovers and enclosures from scratch to see what comes out. when it comes to low-end bass that can be felt as much as it can be heard, we firmly believe the svs sb-16 ultra is the best subwoofer. With its outrageously powerful amp and stylish good looks, it. Dec 3, 2016 - explore cheftonges board speaker boxes on pinterest. I wanted to use that in my car project but there was a change of plans. I am not going to post the specs because like i said, it is for hardcore diys only who like to mess with. just out of curiosity - why do you rarely ever see diy speakers for sale? It seems most of the hardcore diyers here tend to build because they love of diy projects and the need to always try new things. Given that why dont you see more diy speakers for sale? Is it the weight of shipping a diy. A subwoofer (or sub) is a loudspeaker designed to reproduce low-pitched audio frequencies known as bass and sub-bass, lower in frequency than those which can be (optimally) generated by a woofer. The typical frequency range for a subwoofer is about 20200 hz for consumer products, below 100 hz for professional live sound, and below 80 hz in thx-approved systems.