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Korg Radias Synthesizer

$353.43 Price Tier: Budget

5.0 (13)

2 Critic Reviews

2 Reviews

Find out who is using Korg Radias

2 community setups

11 wishlisted

33 saved

Page last updated Jul 03, 2026

Pricing and availability

We compare 600+ stores and found this item at 1 store. Prices updated July 3, 2026.

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Reviews

Price

5.0 (8)

$353.43 17 available Used

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Average Price: $353

Budget/Beginner

$500

$1501+

Price Tier

In the Synthesizers category, Korg Radias Synthesizer 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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High-end

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Description

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Introducing the Korg Radias Synthesizer, an analog modeling rackmount marvel, endowed with an optional 49-key keyboard attachment. This top-of-the-line synth is also equipped with a vocoder, expanding its versatility and allowing musicians to push auditory boundaries. Compact yet powerful, it's the perfect fusion of traditional and modern music gear, designed for the discerning musician who values quality and innovation.

Key Features:

Analog modeling rackmount synthesizer
Optional 49-key keyboard attachment
Vocoder feature included
Compact and versatile design
Ideal for both traditional and modern music creation

Product specs

Brand	Korg
Model	Radias
Finish	Gray
Year	2000s
Categories	Digital Synthesizers, Rackmount Synths
Analog / Digital	Digital
MIDI I/O	MIDI Input, MIDI Output, MIDI Through, USB MIDI
Polyphony	24 Voices

FAQs

Is the Korg Radias Synthesizer polyphonic?: Yes, the Korg Radias is a digital synthesizer with 24-voice polyphony, allowing you to play up to 24 notes simultaneously, making it versatile for complex compositions.
Does the Korg Radias support USB MIDI connectivity?: The Korg Radias features USB MIDI connectivity, allowing easy integration with your computer and DAW for seamless control and recording.
What type of synthesis does the Korg Radias use?: The Korg Radias utilizes digital synthesis, offering a wide range of sound design possibilities with its virtual analog modeling technology.
Can the Korg Radias be used as a rackmount synthesizer?: Yes, the Korg Radias is designed to be used as a rackmount synthesizer, providing flexibility in studio setups and live performances.
What are the MIDI capabilities of the Korg Radias?: The Korg Radias includes MIDI Input, Output, and Through, along with USB MIDI, ensuring comprehensive connectivity with other MIDI-compatible devices and software.

Videos

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gattobus

KORG RADIAS Synth Solo

gattobus

KORG RADIAS DEMO "Endorphins"

gattobus

KORG RADIAS Demo & Review

musictrackjp

Korg RADIAS

Tim Shoebridge

Synth Jam 39: Korg Radias

Marcus Padrini

Korg Radias Demo Part. 1 | No Talking |

DKS SYNTH LAB

THE KORG RADIAS IS SERIOUSLY UNDERRATED

Blush Response

[demo] Sounds of the Korg Radias

Synthesizer Video Service

My Experience with the Korg RADIAS: The Good, the Bad and the Vocoder

Ian Dixon

Reviews

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PROS

Unique sound and flexibility unmatched by others
24-voice VA/FM/Vocoder, synth rompler, and drum machine capabilities
Deep editing features for personalized sound crafting
Authentic VA experience with extensive waveform options
Multi-timbrality allows for complex patch programming
Solid build quality with a sleek metal casing
Exceptional sequencer and mod sequencer for sound design
Features one of the best vocoders available
Supports extensive sound design with about 30 effects
Illuminated controls for visibility in low-light conditions

CONS

Slow learning curve for new users
Detachable keyboard design may not appeal to everyone
Mid-2000s presets may feel dated to some users
Big encoder known to become skippy over time
Software driver is difficult to find in Korg archives

Owner Insights

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

Features and functionality

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An additional third oscillator can be activated via the Amp section menu, providing extra layering options for sound design.
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The Radias includes three 16-step mod sequencers per part, offering complex parameter sequencing capabilities akin to Korg's modern synthesizers.
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The Korg Radias offers four multi-timbral parts, allowing users to route different timbres to four separate outputs, providing versatile sound creation options.
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The Radias supports up to four sounds on separate MIDI channels per patch, making it suitable for complex sequencing with bass, chords, lead, and drums.
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It includes two filters that can operate in parallel, serial, or individually, with Filter 1 offering a sweep from LP24 to HP12 and Filter 2 having a comb option.
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The Radias allows wavefolding, enabling transformation of a sawtooth wave into a sine wave with 127 variations in between, enhancing sound customization.
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The Radias includes unique formant sequencing capabilities, offering novel sound design options that were innovative at its release.
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Use cases and applications

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The Radias' multi-timbral capabilities are praised for facilitating improvisation and performance, providing ample creative flexibility.
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The Radias's ability to use any drum sample as an oscillator, similar to the Electribe series, is highlighted as a unique feature for creating custom drum kits.
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The formant oscillator combined with the talkmod effect and mod sequencer can produce robotic speech-like sounds, offering creative possibilities.
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The Radias can function as a standalone live rig, covering drums, lead, bass, and pads, without needing additional equipment.
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Setup and maintenance

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It's noted that a common issue is a malfunctioning encoder, which may require soldering a replacement.
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Some users recommend using the computer editor software to set up blank patches, streamlining patch creation for new explorations.
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Connecting the Radias module to its keyboard requires a specific 9-pin mini DIN cable, which can be difficult to find and expensive.
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User experience

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Owners suggest that utilizing the drive and chorus effects can mitigate the perceived thinness of the Radias sound.
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Owners appreciate the built-in 128 effects, noting their variety and quality, though the reverb is considered somewhat dated.
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Owners advise that the Radias is not beginner-friendly; understanding its full potential requires thorough manual reading and the use of the Radias Editor software.
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Software and compatibility

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Users report issues with the Radias editor on newer Mac systems, suggesting compatibility problems with updated operating systems.
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Build quality

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The power brick for the Radias is notably large, which some users find cumbersome.
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Comparisons

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Some owners note that the Radias sounds thinner than the Access Virus, indicating a closer sonic relationship to the Korg MS2000.
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Critic Reviews

Korg Radias

soundonsound.com

The Korg Radias Synthesizer impresses with its robust synthesis capabilities, combining analogue modelling with PCM samples, FM, and formant synthesis, all within a sleek design. Its sound engine is powerful, offering superb filters and a versatile vocoder. The Radias's interactive features, like step sequencers and arpeggiator, enhance live performances, while its effects and factory sounds are top-notch. However, the interface is cluttered, with small knobs that could hinder usability, and the keyboard lacks aftertouch. Despite these minor drawbacks, the Radias stands out as a dynamic and versatile synth that can slot into various musical setups, offering a lot for its price.

positive

Full Review

Korg Radias review | MusicRadar

musicradar.com

Korg Radias Synthesizer is a stylish update to the MS2000 series, boasting an impressive design and a rich array of sounds. Its standout features include fantastic effects and a robust sound engine, making it a great choice for dance music producers. However, it's essentially an evolution rather than a revolution, building on the MS2000B's foundation. While it offers improved polyphony and sharper sounds, its polyphony still isn't ample, and the onboard effects are significantly enhanced. For those seeking bold sounds and flexible synthesis tools, the Radias is a must-try, though considering the MS2000B might also be wise.

positive

Full Review