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Elka EM22

EM22 (image courtesy of

Released: 1986

MSRP: $1295US


Table-top version Architecture Class: Conventional (subtractive).

Ebay Description:

The Elka EM22 is a table-top (velocity and pressure sensitive), 6 voice, duo-timbral digital/analog hybrid synthesizer, featuring dual oscillators (with sync), resonant 24dB low pass (CEM) filter, dual envelopes, LFO, chorus, portamento, MIDI, and 96 program memories (64 preset, 32 user editable).


Form Factor Dimensions Weight Audio Input Audio Output Communication Port Control Input Control Output Switch Input Power
table top ? ? no stereo MIDI: IN OUT THRU volume no portamento multi-inc sustain AC


Compatibility Multitimbral Memory Program Memory External Storage External Programming UI Input UI Output
EK22 EM22 16 preset:64 user:32 RAM22-cartridge:64 ROM22-cartridge:64 cartridge MIDI Sysex MIDI Sysex menu based LCD display


Multitimbral Polyphony Unison Architecture
split 6 no DCO1+DCO2->VCF->VCA


Effects Pan Modulator Volume Modulator Headphone
chorus (2) no Env1 MIDI-CC7 Velocity yes


Arpeggiator Arpeggiator External Sequencer Sequencer Memory Sequencer External Continuous Program Change
no N/A no N/A N/A MIDI-CC1 MIDI pedal


Key Pressure Chord Memory External Control External Sustain Key Scaling Velocity Curves
channel no MIDI MIDI pedal filter:+/- filterEnv:7


Name Signal Class Waveform Octave Range Amplitude Modulator Harmonics Modulator Pitch Modulator Wave Assign Modulator
DCO1 digital pulse variable-saw (mix) 16' 8' 4' 2' mix: ENV1 ENV2 PWM:LFO Env1 Env2 LFO MIDI-CC1 Velocity no
DCO2 digital pulse variable-saw (mix) pink-noise white-noise 16' 8' 4' 2' mix: ENV1 ENV2 PWM:LFO sync Env1 Env2 LFO MIDI-CC1 Velocity no


Name Signal Class IC Resonant Shape Frequency Modulator Resonance Modulator Shape Modulator
VCF analog CEM3396 yes low pass pressure DCO1 Env1 Env2 key LFO MIDI-CC1 Velocity no no


Name Level Rate Loop Polarity Trigger Level Modulator Rate Modulator
Env1 breakpoint sustain attack decay1 decay2 release no filter mix pitch key key velocity velocity:attack
Env2 breakpoint sustain attack decay1 decay2 release no filter mix pitch key key velocity velocity:attack


Name Waveform Delay Polarity Sync Delay Modulator Level Modulator Rate Modulator
LFO random saw sine square yes no no no pressure MIDI-CC1 no
Conventional Models
Synthex EK22 EM22