A speaker I designed together with Alex Geltmeyer of Natural Sound. It was based on a KEF B200 and a KEF T33 filtered by a Linkwitz second order filter. Tuned …
KEF B200 Bass Driver
Kef B200 SP1039 - Retrotech Audio - Vintage Audio
1 KEF B200 woofer from 104/2 speaker SP1188 | eBay