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Pearl SC-20 Programmable Percussion Synthesizer

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The Pearl SC-20 Programmable Percussion Synthesizer is an 8 channel programmable drum synthesizer. It creates a wide variety of sounds from typical 1980s Simmons sounds to very strange electronic noises. The instrument features Pearl's DWAP Synthesis technology which stands for Digital Wave Analog Process. The SC-20 offer's 32 waveforms that can be further enhanced with analog processing.

It is a hybrid sample based drum module with analog processing. There are 32 preset program drum kits available and can be overwritten for your own custom kit creations. The unit features 10 trigger inputs and can also be played over MIDI.

It also features stereo outputs and 8 additional outputs as well as stereo headphone output from the front panel. The unit was designed to offer a drum module for Pearl's drum pads and percussion controllers but alternatively can be used with a user's choice of controllers and synthesizer and sequencer hardware.


Type: Analog, Digital
Sound Engine: ROM, Subtractive
Sounds Per Pad
Sounds Per Pad: 2
Sources: ROM
Filters: High Pass, Low Pass, Resonance
Polyphony & Tuning
Polyphony: 2
Timbrality: 2
Modes: Polyphonic
Patterns User: 128
Patterns Preset: 128
Drum Kits User: 32
Storage: Internal, Tape
External Storage: MIDI
Case: Synth Rack Module, 19" Rack
Trigger Pads : 8 pads
Rack Size: 19", 2U, Full
Controls: Buttons, Knobs, Modulation 1/4" Jacks
Display Type: Numeric
Dimensions (WxDxH): 19 x 1 7 x 3-7/10 in.
Weight: 15 lbs.
MIDI / Sync / Trigger
Audio Outputs: 1/4" Phone Jack, Mono Out, Stereo Main, Stereo Headphone
Audio Output Count: 12
CV Ports: Trigger In
Used: $122-$650
Released: 1986
Manuals & Documents
References & Sources

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