Playing Decaf tracks on an ultra-low frequency rotary subwoofer - YouTube
Hi-fi is alive and well at CES
Phoenix Gold Cyclone 12 in Rotary Subwoofer *RARE* Working! | DIYMobileAudio.com Car Stereo Forum
The TRW Rotary Subwoofer revisited.... | AVS Forum
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 ...
Rotary Subwoofer Combines A Speaker Coil W/ A Fan | Hackaday