The SDS2000 was available with or without reverb, presumably to keep costs down.
Simmons - Drum TMI Drum Module Original Manual
Simmons Drum Module / Portakit Prototype MIDI Drum Module
Simmons Drum Amplifier Control Knob
New Vintage 1980’s Simmons Drum Black Kit Bag For Poles
Vintage Simmons Drum SDS-9 EPROM Metal Snare & Rim Cover Plate
