MATRIXSYNTH: Kawai SX-240 POLYPHONIC SYNTHESIZER


Monday, July 09, 2012

Kawai SX-240 POLYPHONIC SYNTHESIZER

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"The Kawai SX-240 is an eight voice, fully programmable polyphonic analog synthesizer released in 1984. The SX-240 has a big, wide and full analog sound, courtesy of its two analog DCOs and one sub-osc per voice. You have the options of poly-8, poly-4 and mono modes. In mono mode it is possible to have all 24 oscillators stacked into one for an extremely powerful sound. Leads, basses, brass, drones, pads and strings all have a unique analog sound on the SX-240. Strings and pads get especially warm and fluid when switching on the Ensemble effect, which is just a chorus. The SX-240 also has a function called Brass, which is actually a ring-mod effect.

Modulation possibilities are somewhat limited due to having just one saw wave on DCO1, but with adjustable PW and PWM plus a noise generator, you can find some great sound possibilities. The LFO can be routed everywhere in the DCO, VCF and the VCA. It also has an LFO trigger button to start or stop the LFO on command. The SX-240 uses eight SSM 2044 filter chips which help make up its powerful filter sound. The filter also strangely jumps into self oscillation around the value point of 98 to 99. There are also both portamento and glissando, though it was uncommon to find both of these effects on synths of the time.

This particular unit is in great shape! It has some minor cosmetic wear but is fully functional. All keys, sliders, buttons, etc. work as they should! This synth is so easy to use and also is very tweakable to get the sound you're looking for!

EXAMPLES of how it sounds!!!

http://www.youtube.com/watch?v=ZBBas8HNc9w

http://www.youtube.com/watch?v=uUuRrwot3PY

http://www.synthmania.com/sx-240.htm"



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