Roland JX-10 Super JX

$292.57 Price Tier: Budget

4.5 (20)

2 Critic Reviews

4 Reviews

This product is Vintage or Discontinued

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Page last updated Jul 06, 2026

Pricing and availability

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5.0 (3)

$292.57 16 available Used

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Average Price: $293

Budget/Beginner

$500

$1501+

Price Tier

In the Synthesizers category, Roland JX-10 Super JX 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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Unleash your creativity with the Roland JX-10 Super JX, an iconic 12-voice analog synthesizer that stands as the last of its kind from Roland. Released in 1986, this powerful synth is an upgraded model of the JX-8P and comes equipped with a full 76-key keyboard, complete with velocity and aftertouch. It boasts two Digitally Controlled Oscillators (DCO's) per voice, a resonant 24/dB analog filter, and a digital LCD screen that allows for complex programmability and storage. The JX-10 also incorporates the renowned PG-800 programmer, enhancing knob tweaking and programmability, just like its predecessor. It's also worth noting that a rack version of this synthesizer, the MKS-70, was released alongside the JX-10.

Key Features:

12-voice analog synthesizer
Full 76-key keyboard with velocity and aftertouch
Two Digitally Controlled Oscillators (DCO's) per voice
Resonant 24/dB analog filter
Digital LCD screen for complex programmability and storage
Incorporates PG-800 programmer for enhanced knob tweaking and programmability
Last full analog synthesizer from Roland
Also available as a rack version (MKS-70)

Product specs

Brand	Roland
Model	Super JX-10 76-Key Polyphonic Synthesizer
Finish	Black
Year	1986 - 1990
Categories	Analog Synths, Keyboard Synths
Analog / Digital	Analog
MIDI I/O	MIDI Input, MIDI Output, MIDI Through
Polyphony	12 Voices

FAQs

What type of synthesis does the Roland JX-10 Super JX use?: The Roland JX-10 Super JX is an analog synthesizer, utilizing analog circuitry to produce its sounds, which is characteristic of synthesizers from the 1980s.
How many voices of polyphony does the Roland JX-10 have?: The Roland JX-10 offers 12 voices of polyphony, allowing for complex chord structures and layered sounds.
Does the Roland JX-10 Super JX support MIDI connectivity?: Yes, the Roland JX-10 Super JX includes MIDI Input, MIDI Output, and MIDI Through ports, facilitating integration with other MIDI-equipped gear.
What is the key count and sensitivity of the Roland JX-10 Super JX keyboard?: The Roland JX-10 features a 76-key keyboard, providing an extended range for performance and composition.
Is the Roland JX-10 Super JX suitable for live performances?: With its 76-key range and robust polyphony, the Roland JX-10 Super JX is well-suited for live performances, offering a wide array of sounds and expressive capabilities.

Videos

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Eivind Skau

Roland Super JX-10 Demo (HQ)

Eivind Skau

The Story of the Roland Super JX-10

Johnny Morgan Synth Dreams

ROLAND JX-10 (SUPER JX) - Dreamy ambient chillout music [SYNTH DEMO]

synth4ever

Roland JX10 Super JX SUPER PHATT SYNTH!!

synthartist69

ROLAND SUPER JX-10 PG800 , ANALOG MONSTER PAD

CLASSIC KEYBOARDS

Roland Super JX-10 Medley - retro hit sounds of the 80s & 90s

Jan Gayen

Roland Super JX 10

SSM Curtis

The Roland Super JX-10 Doesn’t Suck | An Apology (Bonus: Clarification on the JX10 vs JX8P)

Alamo Music Sound Lab

Roland Super JX-10 & jx-8p + PGs 800 , Orchestral Strings

CLASSIC KEYBOARDS

Roland JX-10 with Retroaktiv MPG-70

JimDaneker

Reviews

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PROS

24 DCOs and 12 x 24dB/oct VCFs deliver rich, complex sounds
Dual chorus units enhance sound depth in dual/split mode
PWM mod with firmware 4.xx adds functionality and improves MIDI
Highly versatile with iconic, recognizable sounds
Robust construction and silent keyboard enhance playability
Offers extensive polyphony options for creative layering
Vecoven firmware upgrade significantly boosts performance
Exceptional for lush string sounds
More affordable than comparable vintage polyphonic synthesizers
Durable design with a solid case and long-lasting display

CONS

Aftertouch responsiveness less precise than newer models
External programmer (e.g., PG-800) necessary for full parameter control, adding expense

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Roland JX-10 Super JX.

Mods and upgrades

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Installing the Supersynths switching power supply reduces heat and improves stability, though it's considered an extravagant upgrade.
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The Vecoven mod for the JX-10 adds PWM with faster loopable Alpha Juno-style 7-stage envelopes, enhancing its modulation capabilities significantly.
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The KiwiTechnics JX10p upgrade kit includes features like a sequencer, arp, chord mode, and a mod matrix, significantly expanding modulation capabilities.
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Vecoven mods add PWM, two extra loopable MSEGs (totaling four EGs), an extra LFO, and increased patch storage for the JX-10.
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The Vecoven EPROM upgrade enhances the JX-10 with improved MIDI, additional RAM banks, and a MIDI-synchronized arpeggiator.
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Comparisons

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The JX-10 is recognized for its sonic overlap with the MKS-80 but offers more power than the Alpha Juno-1, which lacks velocity on its keybed.
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The JX-10 features a "woolly" filter, often described as having a constant chorusing effect, unlike the simpler sound of the Alpha Juno.
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JX-10 and MKS-70 offer bi-timbrality, creating richer sounds compared to the JX-8P’s single timbre capabilities.
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The JX-10 is likened to the Roland D50 in keybed feel, using a different contact technology than the JX-8P.
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User experience

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Owners find the JX-10's programming architecture initially frustrating but rewarding with patience, revealing deep and nuanced sounds.
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The JX-10 produces very fat and hard sounds, making it a favorite for users who missed out on deals for other vintage synths like the Roland D50.
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Managing JX-10 patches can be cumbersome, requiring saving a patch file and 1-2 tone files to avoid losing edits.
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Value and pricing

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A JX-10 priced at $600 is considered a bargain given its analog capabilities, which are hard to match with modern equivalents in this price range.
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Features and functionality

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The JX-10's envelopes are noted to be slower, contributing to its unique sound character compared to faster envelope synths like the Alpha Juno.
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A full-featured random tone generator allows for creating random tones or specific categories like PAD, POLY, BELL/METAL, and BASS, with user-controlled randomness levels.
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The JX-10 is bitimbral, allowing for complex sound layering, such as detuning oscillators or using different resonance settings across layers.
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Setup and maintenance

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Some tactile buttons on the JX-10 can become hard to push due to age, but replacement parts are affordable.
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Build quality

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The JX-10 is large and not ideal for transport, with a build not suited for frequent travel or shipping.
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Critic Reviews

Roland JX-10 | Vintage Synth Explorer

vintagesynth.com

The Roland JX-10 Super JX delivers an outstandingly warm and rich analog sound, making it a staple in modern studios. Its 76-note keyboard with velocity and aftertouch, combined with 24 oscillators, provides exceptional programmability. However, the sleek design comes at a cost—editing via low-profile buttons and an LCD display is cumbersome without the optional PG-800 Programmer. Despite this, its chorus effect and chase-play delay add delightful versatility. While SysEx editing is unavailable, the rack-mounted MKS-70 version offers this feature, adding appeal. Overall, a powerhouse for those willing to navigate its complexities.

positive

Full Review

Super JX (SOS Jun 86)

muzines.co.uk

The Roland JX-10 Super JX emerges as a formidable contender in the synth market, striving to reclaim the prestige lost since the Jupiter 8. With 12 voices, dual-layering, and a split keyboard, it caters to both versatility and performance. The inclusion of an illuminated display and a programmer option enhances usability, especially on stage. However, the reliance on expensive RAM cartridges for data storage might deter some buyers. Positioned at £1900, the JX-10 faces stiff competition from more affordable digital options, yet its rich analog sound and innovative features make it a worthy flagship for dedicated synth enthusiasts.

positive

Full Review