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Siel DK-80

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Page last updated Mar 31, 2026

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Description

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The Siel DK-80 is a vintage gem that brings the retro charm of 1980s synthesis to modern musicians. This 8-voice polyphonic synthesizer is renowned for its warm, analog sounds that embody the classic tones of its era. Featuring a dual-DCO architecture per voice, the DK-80 offers a rich palette of sounds that range from lush pads to punchy leads. Whether you're looking to recreate the iconic sounds of synth-pop or explore new sonic territories, this synthesizer provides a versatile foundation for creative exploration.

Equipped with a 5-octave keyboard, the DK-80 offers expressive playability, making it ideal for live performances and studio work alike. Its intuitive interface allows for seamless navigation through its various sound-shaping parameters, making sound design an engaging experience. The synthesizer also includes MIDI connectivity, ensuring that it integrates smoothly into any modern setup.

With its distinctive character and historical significance, the Siel DK-80 is a must-have for both vintage enthusiasts and those looking to add a unique flavor to their sound arsenal. Its ability to produce both classic and contemporary sounds makes it a timeless addition to your collection.

Key Features:

8-voice polyphonic synthesizer
Dual-DCO architecture per voice
5-octave keyboard
MIDI connectivity
Intuitive interface for sound design
Ideal for live performances and studio work

Videos

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SynthMania

SIEL DK 80 video demos 00-09

SynthMania

SIEL DK 80 Italo synth

SynthMania

SIEL DK 80 video demos 20-29

SynthMania

Synthesiser Dave - Episode 7 - Siel DK 80

Electronic Sound

Siel DK-80 Test

Max B

SIEL DK 80 video demos 10-19

SynthMania

1985 SIEL DK 80 Dynamic Bitimbric Synthesizer Stereo 40 ROM Presets

keyboard resource

Some vibraphone music on the Siel DK-80

organfairy

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Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Siel DK-80.

Setup and maintenance

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Replacing the internal 3V lithium battery can resolve sound and preset issues.
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Software and compatibility

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Reloading presets via MIDI is often necessary after battery replacement.
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Critic Reviews

Siel DK80 | Vintage Synth Explorer

vintagesynth.com

The Siel DK-80 is an intriguing, albeit niche, synth that serves as a bridge between low-end mid-eighties Roland and Sequential models. While it offers bi-timbral capabilities and a two-track sequencer, its sound is just "OK," making it more suitable as a backup synth rather than a mainstay. Its membrane push-button interface can be cumbersome, and the limited sound palette may not meet the needs of those seeking a primary analog synth. However, for its price, it can be a unique addition to a vintage setup.

neutral

Full Review

DK 80

synthmania.com

The Siel DK-80 offers a nostalgic journey back to 1985 with its dynamic bitimbric synthesis and 12-voice polyphony. Its dual sound generation and MIDI capabilities make it a versatile option for mid-level synth enthusiasts. The sound palette, described as "fat & gluey," captures the essence of the era, offering a range of classic patches from piano to synth brass. However, its dated interface, requiring a keypad for program selection, might deter modern users seeking ease of use. While the optional pedalboard enhances live performance flexibility, the DK-80 lacks arpeggiator and sound expansion capabilities. Overall, it's a charming relic with limitations that may not suit everyone.

neutral

Full Review

Siel DK80 (IM Jun 85)

muzines.co.uk

The Siel DK-80 is a budget-friendly synth that offers features like a 256-note sequencer, velocity sensitivity, and MIDI functionality at an affordable price. While it impresses with its 12 voices and versatile MIDI capabilities, the synth is hampered by its limited filter section, having only two filters to share among voices. This limitation affects the richness of certain sounds, especially when aiming for dynamic, filter-driven effects. Despite these drawbacks, the DK-80 shines with its expressive velocity sensitivity, split/layering functions, and stereo panning sounds. It's a solid option as a mother keyboard, but less so as a standalone synth due to its filter limitations. Ultimately, it offers a lot for the price but demands compromises.

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Orgue Electronique

Music Producer, DJ

Verified via Sternstudio

Nice italian made analoge machine, looks like some sort of Korg Poly800 clone. Nothing special, but since they are cheap it's always a good buy, no doubt. There is this whistling kinda sound in the lower ranges, but I never cared too much about that. Low budget is not a choice you make, so you better do with what you have. I used it a lot on 'The Eye That Never Sleeps', and it was an important synth for that track called 'The Plot', of which you can find an excerpt on the mp3 page.