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Average Price: $2,136
High-end/Boutique
$500
$1501+
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Description
Immerse yourself in the sonic landscape of the Yamaha CS-30, a synthesizer that blends vintage charm with the versatility needed by modern musicians. A true craftsman's tool, this synth offers unparalleled control over your sound, allowing for deep exploration and innovation. Its 2 VCOS with separate outputs provide a rich foundation, while the voltage-controlled resonant filters carve out the sonic space for your musical expression. Whether you're crafting the next chart-topper or exploring uncharted sonic territories, the CS-30 stands ready as your faithful companion.
Key Features:
- 2 VCOS with separate outputs for rich and dynamic sound synthesis
- 2 voltage-controlled resonant filters for precise tonal shaping
- 3 envelopes for intricate sound modulation
- Ring Modulator for creating complex sounds and textures
- 8-step single pattern sequencer for crafting sequences with ease
- CV / Gate control for integrating with other modular gear
Product specs
| Brand | Yamaha |
| Model | CS-30 Monophonic Synthesizer |
| Finish | Black |
| Year | 1977 - 1980 |
| Made In | Japan |
| Categories | Analog Synths, Keyboard Synths |
| Analog / Digital | Analog |
| Key Size | Full Size |
| Keyboard Action | Synth Action |
| Number of Keys | 44 Keys |
| Polyphony | 1 Voice |
FAQs
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Is the Yamaha CS-30 synthesizer polyphonic or monophonic?
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The Yamaha CS-30 is a monophonic synthesizer, meaning it can play only one note at a time, which is ideal for lead lines and bass sequences.
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What are the standout features of the Yamaha CS-30's sound engine?
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The Yamaha CS-30 features dual VCOs, a comprehensive modulation matrix, and an onboard eight-step sequencer, allowing for complex sound design and sequencing capabilities.
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Does the Yamaha CS-30 have a built-in sequencer?
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Yes, the Yamaha CS-30 includes an onboard eight-step analog sequencer, which allows for creating and playing back sequences directly on the synthesizer.
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How many keys does the Yamaha CS-30 have, and what is the key size?
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The Yamaha CS-30 has 44 full-size keys, providing a comfortable playing experience for synthesists familiar with traditional keyboard layouts.
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Can the Yamaha CS-30 filter external audio signals?
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Yes, the Yamaha CS-30 can process external audio signals through its filters, allowing you to modulate and shape the sound of other instruments or audio sources.
Videos
Alex Ball
Yamaha's Coolest Monosynth
Reviews
PROS
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Limitless modulation, filter, and envelope possibilities
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Duophonic capabilities with CV/Gate modifications
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Each oscillator can output to separate filters/envelopes for a huge sound
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2 multimode filters enhance sonic versatility
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3 full ADSRs with multiple routing options (regular, reverse, 10x longer modes)
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LFO can produce different waveforms simultaneously
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Features both cross modulation and ring modulation
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Inclusion of an 8-step sequencer adds playability
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Can tightly sync with DAWs (e.g., Logic Pro) via MIDI converters
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Unique vintage appeal with modern potential
CONS
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Initial learning curve can be confusing
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Requires external modifications (e.g., CV/Gate) for full potential
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Lacks comprehensive documentation, making some features obscure
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Without modifications, strictly monophonic
Owner Insights
We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Yamaha CS-30.
Features and functionality
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The Yamaha CS-30 allows routing a sine wave directly to the VCA as a sound source, bypassing filters for unique textures.
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The sequencer can be modified to accept external clocking, enhancing its usefulness beyond the factory design.
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The CS-30's external input is more powerful than the CS-15, allowing modulation routing flexibility across different sections.
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User experience
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The dual-channel architecture is initially complex, with VCO waveshapes selected in the VCF section, requiring time to master.
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Switching the VCO to "Sequencer" mode can resolve tuning issues, allowing correct playback of the VCO and sine wave.
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The CS-30 can be perceived almost as a semi-modular synth due to its extensive routing flexibility and switches.
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Comparisons
Use cases and applications
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Owners find the CS-30 excels at experimental sound design, with its 8-step sequencer perfect for funky basslines and odd melodies.
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Mods and upgrades
4.5 out of 5
Based on 1 Review and 4 Ratings
41029
awesome, more reviewing in your next review
Artist usage
Add artist
In Anthony Marinelli's studio tour video, the Yamaha CS-30 synthesizer is prominently featured at the 23:34 mark, as shown in the video titled "My Synth Studio Revealed | Studio Tour 2025," available on the YouTube channel Anthony Marinelli Music.
Edward Ka-Spel mentions owning and using a Yamaha CS-30 in a few interviews; this synthesizer is also mentioned in the Bandcamp notes for his album The Berlin Tapes 1981.
Interviewer: What are some of your favorite synthesizers?
Ka-Spel: Pretty much anything by Korg. Still very attached to my old Yamaha CS30 [...]
In this interview, Mark's use of the Yamaha CS30 is mentioned: Mark's equipment comprised a solitary Yamaha CS30 analogue monosynth (which he retains and uses to this day)
Diagram of John Beck's keyboard rig printed in the November 1986 issue of International Musician.
Album Usage
The Yamaha CS-30 has been featured on the following albums:
Genre Usage
Based on how artists on Equipboard use this gear, it is most commonly found in the following genres.
Used With
Based on how musicians on Equipboard use Yamaha CS-30, it is most commonly used with the following gear.
Community setups
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