Theory Audio Design Launches at CEDIA Expo 2019 | audioXpress
Theory Audio Design Introduces First In-Wall Loudspeaker | AVNetwork
Theory Audio Design Is Off and Running | Sound & Vision
The Subwoofer DIY Page - Transmission Line Systems
Theory and projects, mostly diy speakers and subwoofers. Fullrange single drivers multi way loudspeakers, open baffle… | Speaker plans, Speaker design, Loudspeaker
Theory Audio Design
Dual Opposed Subwoofer Theory? | Audio Science Review (ASR) Forum
dual opposing subwoofers vs dual push pull design, thoughts? - Techtalk Speaker Building, Audio, Video Discussion Forum