Simmons Vintage 1986 SDS9 Analog Drum Module AS ISNotes 2 potentiometers are broken off at the shaft: CH3 rim sensitivity at top, and the left most mix knob at the bottom. This listing is being sold as is A Simmons Vintage 1986 SDS9 Analog Drum Module AS IS in Fair condition! At Evolution Music, we attempt to highlight cosmetic defects (if any) by picturing every angle of every piece of gear so you know exactly what you are getting. We always picture any and all accessories too. What you see is what