Rotary Subwoofer Combines A Speaker Coil W/ A Fan | Hackaday
DIY Open Back Subwoofer - Systems - PS Audio
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SOLD: 2 GR Research Open Baffle Dual Servo Subs in H-frames + 2 Rythmik XLR amps | Open baffle, Open baffle speakers, Speaker design
Truth, my life was changed after getting these subwoofers. Gr research open baffle servo sub with magnepan 1.6qr. (Also with the gr research crossover) seem less transition between them, unless you want
dsPIC30F2010 drop in woofer servo – Electronics Projects Circuits
Rythmik Audio • Servo subwoofer products
$2k DIY subwoofer, oh my | Audio Science Review (ASR) Forum