Yamaha CS-50

$400.00 Price Tier: Budget

5.0 (2)

This product is Vintage or Discontinued

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Page last updated Jun 16, 2026

Pricing and availability

We compare 600+ stores and found this item at 1 store. Prices updated June 16, 2026.

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5.0 (8)

$400.00 19 available Used

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Average Price: $400

Budget/Beginner

$500

$1501+

Price Tier

In the Synthesizers category, Yamaha CS-50 is priced in the Budget/Beginner range. This is great gear to get started with or for creators on a budget.

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Description

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Step into the world of classic analog synthesis with the Yamaha CS-50, a synth that beautifully captures the essence of the legendary CS series while offering a more approachable format. Designed for both studio and live performance, this synthesizer is a treasure trove for musicians seeking authentic vintage tones. With its 4 VCOs (Voltage-Controlled Oscillators), the CS-50 delivers rich, warm sounds that are as versatile as they are powerful, allowing you to craft everything from lush pads to cutting leads.

The aftertouch keyboard is a standout feature, providing dynamic expression that elevates your playing experience. Whether you're performing a soaring solo or laying down a textured background, the CS-50's 49-key interface responds beautifully to your touch, letting your emotions translate directly into sound. It also comes equipped with 13 thoughtfully designed presets, offering a range of sonic possibilities right out of the box.

Ideal for both seasoned synthesists and those new to the world of analog synthesis, the Yamaha CS-50 is a harmonious blend of classic design and modern usability. Its monotimbral nature means it focuses on doing one thing exceptionally well—delivering that unmistakable analog sound that has captivated musicians for decades. Explore the timeless appeal of this synthesizer and let your creativity soar.

Key Features:

4 VCOs for rich, warm analog sounds
49-key aftertouch keyboard for dynamic expression
13 versatile presets to jumpstart your creativity
Monotimbral design focusing on high-quality sound production
Perfect for both studio and live performance settings

Product specs

Brand	Yamaha
Model	CS-50 Polyphonic Synthesizer
Finish	Black
Year	1977
Made In	Japan
Categories	Analog Synths, Keyboard Synths
Analog / Digital	Analog
Key Size	Full Size
Keyboard Action	Synth Action
Number of Keys	49 Keys
Polyphony	4 Voices

FAQs

Is the Yamaha CS-50 synthesizer polyphonic or monophonic?: The Yamaha CS-50 is a polyphonic synthesizer, offering 4-voice polyphony, which allows you to play up to four notes simultaneously.
What type of synthesis does the Yamaha CS-50 use?: The Yamaha CS-50 is an analog synthesizer, known for its warm and rich sound, typical of analog circuitry.
How many keys does the Yamaha CS-50 have, and what is their size?: The Yamaha CS-50 features a 49-key keyboard with full-size keys, providing a comfortable playing experience similar to a traditional piano.
What is the keyboard action like on the Yamaha CS-50?: The Yamaha CS-50 has a synth action keyboard, which is designed for fast playing and expressive performance, ideal for synthesizer techniques.
Does the Yamaha CS-50 include any modulation features?: Yes, the Yamaha CS-50 includes modulation features such as a ribbon controller, which allows for expressive pitch bending and modulation effects.

Videos

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Doctor Mix

Yamaha CS50: Famous Presets

Doctor Mix

Yamaha CS50 In Action

Doctor Mix

Blade Runner (opening track cover) CS-50 / Solina Strings

ANALOG

Yamaha CS-50 Analog Synthesizer

MrFirechild

YAMAHA CS-50 , SYNTHESIZER DATE 1977 ...

CLASSIC VINTAGE

YAMAHA CS-50 - Analog Synthesizer Review, Sounds & Demo

synth4ever

Yamaha Cs50 Demo I No Talking

Alphacode Synth Demos & Custom Sound Banks

Reviews

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PROS

Vintage poly with unique character
Shares core features with the iconic CS-80
Offers same aftertouch and oscillator as higher models
Lower weight compared to CS-80 and CS-60

CONS

Uses custom parts with no replacements
High investment with risky resale value
Limited functionality for its price range
All models prone to inevitable breakdown due to rare custom chips

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Yamaha CS-50.

Features and functionality

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The CS-50 includes a unique feature where the sine wave can be mixed back in after the high-pass filter, adding complexity to the sound design.
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The lack of CV controls means its appeal is primarily to traditional keyboard players rather than the modern synth enthusiast community.
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A MIDI retrofit for the CS-50 can trigger specific notes, but advanced control requires a CV/GATE to MIDI converter to manage voltage differences.
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User experience

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Owners appreciate the non-polyphonic aftertouch, highlighting its effectiveness for expressive play, especially for brass swells with vibrato changes.
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Shipping these synths is costly due to their size, limiting the market to local buyers unless in major cities known for music gear like L.A., N.Y., or London.
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It's noted that the CS-50's foot controller input is designed for volume control, not pitch, limiting its use for some modulation tasks without further modification.
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Setup and maintenance

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Tuning is required annually, similar to other vintage analog synths, but once properly maintained, the CS-50 is manageable with no major issues reported.
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Owners emphasize the need for a refurbished power supply and replacing 4000-series logic chips with decoupling capacitors to ensure longevity and stability.
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Replacement of tantalum and electrolytic capacitors is recommended to prevent failures, as they are prone to shorting in vintage synths like the CS-50.
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Value and pricing

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Prices for the CS-50 are rising due to its connection to the CS-80, with some speculative listings reaching $9,000, despite lacking features like ribbon and polyphonic aftertouch.
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A CS-50 without recent servicing is considered overpriced at $2500; a fair price ranges from $1500 to $2500 depending on condition and recent overhauls.
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Use cases and applications

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It's noted for its versatility in generating leads, drones, pads, and textures, with a distinctive organic sound, thanks to its 4 independent voice cards.
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Software and compatibility

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Some MIDI retrofits only offer note on/off control; converting signals to MIDI can be complex and may require a MIDI processor like MIDIPal for CC message translation.
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Mods and upgrades

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Adding a ribbon controller similar to the CS-60/80 involves using a passive device that needs conversion to a suitable voltage or MIDI signal for the CS-50.
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Kenton offers a MIDI retrofit for the CS-50, but ensuring compatibility with additional controllers may involve consulting them for precise setup advice.
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