Cutaway view of the famous Rotary Woofer. | Speaker box design, Speaker design, Rotary
Want to hear what 5Hz sounds like? A new woofer technology unlike any other and a new product category for home audio. This is the first home audio woofer delivering true response to DC. The Thigpen rotary woofer is the worlds first true infrasonic home ...
Phoenix Gold Cyclone 12 in Rotary Subwoofer *RARE* Working! | DIYMobileAudio.com Car Stereo Forum
Rotary Subwoofer | Hackaday
Ultra-low frequency Rotary Subwoofer - Testing with oscilloscope - YouTube