File:Vermona DRM1 MK III analog drum synthesizer (2011) + Action Filter 4 (2015) - 2015 NAMM Show.jpg - Wikimedia Commons
Testing NEW Vermona Action Filter 4 - stereo analog high pass / low pass / notch filter w/ 120V USA AC power supply. Put this unit up for sale. | DJ Osmose | Facebook
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VERMONA - Action Filter 4
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