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Yamaha CS-70m

Analog Synthesizer

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CS-70m 1CS-70m 2CS-70m 3CS-70m 4
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Yamaha CS-70m
Yamaha CS-70m
4 000.00 street price

CS-70m is a 6-voice synthesizer featuring 2 oscillators per voice (12 VCOs), two LFOs one of which is programmable, two 12dB filters per voice (12 VCFs), and two amps per voice (12 VCAs as well). The 61-note keyboard supports aftertouch. Memory comprises 30 locations.

The polyphonic analog synthesizer provides with thick leads and basses. 6 voices with 2 oscillators each deliver a 12-oscillator sonic flow. There’s a 4-track polyphonic sequencer onboard. 30 presets can be tweaked to perfection with the knobs provided.

CS-70m is just a step away from the powerful CS-80. The product was launched in 1981.

Tags: analog synthesizer

Country of origin / production: Japan

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More info
Usage area
Usage Design/ Form Factor
With Keys 
Analogue (A) 
Tone Generator / Sound Synthesis
Oscillator Type VCO (Voltage Controlled Oscillator)
Oscillators per voice2
VCA per voice2
Waveform/ Spectral form (main generator) Sine
Waveform/ Spectral form (main generator) Pulse Width Modulation (PWM)
Waveform/ Spectral form (main generator) Triangle
Waveform/ Spectral form (main generator) Saw
Waveform/ Spectral form (main generator) White Noise
Programs/ Voices/ Timbres
Single Voice Preset8
High-pass Filter (HPF) 
Low-pass Filter (LPF) 
Band-pass Filter (BPF) 
Envelope Generator (EG)
LFO: LFO Count1
LFO Waveforms
Ramp Up 
Ramp Down 
Type Synth Action
Number of Keys61
Built-in controllers
Pitch Bend Wheel 
Modulation Wheel 
Production start1981
Production end1984
Production ended

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  • enpdf3.19Mb Yamaha CS70m Owner's Manual Part 1
  • enpdf3.68Mb Yamaha CS70m Owner's Manual Part 2
  • enpdf2Mb Yamaha CS70m Owner's Manual Part 3