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Janis 3A Subwoofer System, 12" Subwoofer + Janis Interphase 3 A Amplifier/Crossover, Owners Manual Photo #1844147 - Canuck Audio Mart
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Janis subwoofer W-1 designed by John Marovskis | Diy subwoofer, Subwoofer box design, Speaker box design
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