Korg PS-3100

$16,500.00 Price Tier: High-end

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Page last updated May 07, 2026

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5.0 (1)

$16,500.00 5 available Used

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Average Price: $16,500

High-end/Boutique

$500

$1501+

Price Tier

In the Synthesizers category, Korg PS-3100 is priced in the High-end/Boutique range. This premium gear is built to very high standards and offers premium features.

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High-end

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Description

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The Korg PS-3100 stands as a testament to the ingenuity of early analog synthesizers. Renowned for its polyphonic architecture, this vintage gem offers a unique sonic palette that has captivated musicians and sound designers alike. With its distinctive 48-note polyphony, the PS-3100 allows for complex chord structures and evolving textures that are hard to replicate with modern synths.

A key feature of the PS-3100 is its modular design, which provides unparalleled flexibility. Musicians can shape their sound with a variety of patch points and modulation options, making it a favorite for those who love to experiment. Its three voltage-controlled oscillators (VCOs) per voice deliver a rich harmonic spectrum, while the built-in resonators add depth and character to your creations.

The intuitive control panel of the PS-3100, with its wealth of knobs and sliders, invites hands-on interaction, fostering a deep connection between the musician and the machine. Whether you're crafting lush pads or intricate leads, this synthesizer offers a tactile experience that is both rewarding and inspiring.

Key Features:

48-note polyphonic architecture
Modular design with extensive patch points
Three voltage-controlled oscillators (VCOs) per voice
Built-in resonators for added depth
Intuitive control panel with hands-on interaction
Versatile sound shaping capabilities

Product specs

Brand	Korg
Model	PS-3100 Polyphonic Synthesizer
Finish	Wood
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	48 Voices

FAQs

Is the Korg PS-3100 synthesizer polyphonic or monophonic?: The Korg PS-3100 is a polyphonic synthesizer, offering 48 voices of polyphony, which allows for rich, full chords and complex sound textures.
What type of synthesis does the Korg PS-3100 use?: The Korg PS-3100 utilizes analog synthesis, providing warm, classic analog tones that are highly sought after by synthesizer enthusiasts.
How many keys does the Korg PS-3100 have, and what is the key size?: The Korg PS-3100 features 49 full-size keys, offering a standard keyboard feel with synth action, suitable for expressive playing.
What are the standout features of the Korg PS-3100's sound engine?: The PS-3100's sound engine is notable for its unique patching system and resonators, which allow for complex modulation and rich tonal variations.
Is the Korg PS-3100 suitable for live performances?: Yes, the Korg PS-3100 is suitable for live performances, thanks to its polyphonic capabilities and robust build, though its vintage nature may require careful handling.

Videos

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smem

Obscure Objects Ep. 1: The Korg PS-3100.

smem

KORG PS-3100 - Synth Demo

synth4ever

Exploding dusk - Ambient music on Korg PS-3100

Francesco Poggianti

Korg PS3100

splitradix

Korg PS 3100 - Resonator Demo

DJjondent

Korg PS-3100 For Sale Fully Refurbished by Pro Vintage Synth Restoration Specialists PS-3300 PS3300

tonetweakers

Korg PS-3100 Demo / Korg PS-3300 Wanted to Buy PS3300 PS3100

tonetweakers

Reviews

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Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Korg PS-3100.

Features and functionality

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The PS-3100 is a true polyphonic semi-modular synth with 12 oscillators and 48 voices, utilizing an octave divider for full polyphony.
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Each key is equipped with its own envelope generator, VCA, and VCF, offering unique sound-shaping capabilities compared to paraphonic designs.
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The PS-3100's 'sound modulator' might output a single sound if faulty, despite functional input and plug connections, indicating potential internal circuitry issues.
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The Korg PS-3100 uniquely boasts one VCO per key, unlike most polysynths which share oscillators across voices.
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True polyphonic architecture ensures each note has an independent signal path, differentiating it from paraphonic designs that share components.
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Comparisons

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It's noted that Korg's PS series remains unique as true polyphonic semi-modular synths, contrasting with other paraphonic options on the market.
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In contrast to digital synths, the PS-3100's polyphony is hardware-based, not limited by computational power.
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Value and pricing

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The PS-3100 can command prices over $10,000 in working condition, making it a highly valuable find.
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Setup and maintenance

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Finding repair services for vintage synths like the PS-3100 can be challenging, but enthusiasts often offer help in specialized forums.
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The 'card slots' holding voice and filter cards often crack over time, leading to connection issues, and original parts are difficult to find for replacement.
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Manuals, including complete circuit diagrams, are critical resources. Locating these can be a valuable asset in troubleshooting and restoration efforts.
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The PS-3100 requires regular maintenance due to complex circuitry and the aging of components, such as matched transistor pairs in VCFs.
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Software and compatibility

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Users recommend Full Bucket's free VST emulation of the PS-3100, 3200, and 3300 for those who cannot access the hardware.
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User experience

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Owners report that refurbishing capacitors is a common step, even if not the direct cause of sound issues, as it generally improves reliability.
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