Main Details
Maker Teisco Brand Kawai Brand
Date Produced 1984
Notes Polyphony - 8 voices
Multitimbral - Dual or Split
Oscillators - 2 DCOs and 1 Sub-oscillator
Waveforms - Saw, Sine and Pulse with PW and PWM
LFO - 1 LFO with 3 waveforms: saw, square and tri. Speed, Delay, Reverse and Depth controls. Can modulate the DCOs, VCA, or VCF.
Filter - 24 dB/oct four-pole Lowpass with resonance, cutoff, envelope amount and dedicated ADSR envelope generator
Envelope - 1 VCA with HPF and ADSR envelope
Effects - Chorus, Hold, Portamento and Glissando
Sequencer - 1,500 note max
Arpeggiator - None
Keyboard - 61 keys
Memory - 48 Tone memories. Sequencer has 8 memories.
Control - MIDI In/Out/Thru
Date Produced - 1984

The SX-240 is an eight voice, fully programmable polyphonic analog synthesizer released in 1984 as a follow up to the Kawai SX-210. It was manufactured by Kawai but originally released under the Teisco brand-name in Japan when Kawai bought out Teisco. The Kawai SX-240 and the Kawai SX-210 never got much attention due to entering the market during the time of the digital revolution and poor marketing. Its main analog competitors of the time were the Korg Polysix and the Roland Juno 6/60.


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