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Kawai SX-210


Released: 1983

MSRP: $1595US


As Kawai's second generation, the SX family adds polyphony, a sub oscillator, memory, portamento, larger keyboard, tape interface, and various modulation improvements. Multiple waveforms can be selected. Architecture Class: Conventional (subtractive).

Ebay Description:

The Kawai SX-210 is a 61 key 8 voice synthesizer, featuring a single oscillator (with sub and saw/pulse/square/noise waveforms), a resonant low pass analog filter, a high pass filter, dual ADSR envelopes, an LFO (saw/triangle/square waveforms), portamento/glissando, 32 presets, tape interface, and chorus.


Form Factor Dimensions Weight Audio Input Audio Output Communication Port Control Input Control Output Switch Input Power
61 keys W:880mm D:400mm H:128mm 12.2kg no stereo (+4/-10/-20dBm) no no no no wired (40W)


Compatibility Multitimbral Memory Program Memory External Storage External Programming UI Input UI Output
- N/A 32 tape no dedicated buttons LEDs LED display


Multitimbral Polyphony Unison Architecture
no 8:1osc 4:2osc 1:8osc yes DCO->VCF->VCA->HPF


Effects Pan Modulator Volume Modulator Headphone
chorus no LFO VCA-EG yes


Arpeggiator Arpeggiator External Sequencer Sequencer Memory Sequencer External Continuous Program Change
no N/A no N/A N/A PitchBend no


Key Pressure Chord Memory External Control External Sustain Key Scaling Velocity Curves
no yes no no no


Name Signal Class Waveform Octave Range Amplitude Modulator Harmonics Modulator Pitch Modulator Wave Assign Modulator
DCO digital pulse saw square 4' 8' 16' no PWM:LFO LFO PitchBend glissando portamento no
Sub digital ? - no no no no
Noise analog noise - no no no no


Name Signal Class IC Resonant Shape Frequency Modulator Resonance Modulator Shape Modulator
VCF analog SSM2044 yes low pass (16Hz-20kHz) key LFO VCF-EG no no
HPF analog discrete no high pass (16Hz-8kHz) no no no


Name Level Rate Loop Polarity Trigger Level Modulator Rate Modulator
VCF-EG sustain attack decay release no no key LFO no no
VCA-EG sustain attack decay release no no key LFO no no


Name Waveform Delay Polarity Sync Delay Modulator Level Modulator Rate Modulator
LFO saw:up square triangle yes yes no no no no
Conventional Models
100F 100P 60F 60P 110F SX-400 SX-210 SX-240
K3 K3m