Kawai SX-240
Released: 1984
MSRP: $1695US
Synopsis:
The SX-240 divides the SX-210 waveforms between two oscillators (adding detune) and adds ring mod, split capabilities, MIDI, and sequencer.
Architecture Class: Conventional (subtractive).
Ebay Description:
The Kawai SX-240 is a 61 key 8 voice bi-timbral synthesizer, featuring dual oscillators (with sub and saw/pulse/square/noise waveforms), ring modulation, a resonant low pass analog filter, a high pass filter, dual ADSR envelopes, an LFO (saw/triangle/square waveforms), portamento/glissando, 48 presets, MIDI, and chorus.
Physical
Form Factor
Dimensions
Weight
Audio Input
Audio Output
Communication Port
Control Input
Control Output
Switch Input
Power
61 keys
W:886mm
D:380mm
H:130mm
12.9kg
no
stereo (+4/-10/-20dBm)
MIDI IN OUT THRU
MIDI
sequencer clock
MIDI
sequencer clock
program:inc
sequencer:start/stop
sustain
wired (38W)
Interface
Compatibility
Multitimbral Memory
Program Memory
External Storage
External Programming
UI Input
UI Output
-
N/A
48
tape
no
dedicated buttons
LEDs
LED display
Architecture
Multitimbral
Polyphony
Unison
Architecture
2
8:2osc
4:4osc
1:16osc
yes
DCO1+DCO2->VCF->VCA->HPF
Output
Effects
Pan Modulator
Volume Modulator
Headphone
chorus
no
LFO
VCA-EG
yes
Control
Arpeggiator
Arpeggiator External
Sequencer
Sequencer Memory
Sequencer External
Continuous
Program Change
no
N/A
realtime 1 track
8 song, 1500 note
pedal:start/stop
MIDI:clock
in/out:clock
BendLever
MIDI
pedal
Keyboard
Key Pressure
Chord Memory
External Control
External Sustain
Key Scaling
Velocity Curves
no
yes
MIDI
MIDI
pedal
no
Source
Name
Signal Class
Waveform
Octave Range
Amplitude Modulator
Harmonics Modulator
Pitch Modulator
Wave Assign Modulator
DCO1
digital
pulse
saw
sub
4'
8'
16'
no
PWM:LFO
auto-bend
BendLever
LFO
MIDI:PitchBend
glissando
portamento
no
DCO2
digital
square
4'
8'
16'
no
no
auto-bend
BendLever
LFO
MIDI:PitchBend
glissando
portamento
no
Noise
analog
noise
-
no
no
no
no
RingMod
analog
N/A
-
no
no
no
no
Filter
Name
Signal Class
IC
Resonant
Shape
Frequency Modulator
Resonance Modulator
Shape Modulator
VCF
analog
SSM2044
yes
low pass (16Hz-20kHz)
BendLever
key
LFO
VCF-EG
no
no
HPF
analog
discrete
no
high pass (16Hz-8kHz)
no
no
no
Envelope
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
LFO
Name
Waveform
Delay
Polarity
Sync
Delay Modulator
Level Modulator
Rate Modulator
LFO
saw:up
square
triangle
yes
yes
no
no
no
no
