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Siel Orchestra 2

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Page last updated May 29, 2026

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Description

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The Siel Orchestra 2 is a vintage analog synthesizer that captures the lush, rich soundscapes of the early 1980s with a distinctive character that's both versatile and inviting. Originally produced in Italy, this polyphonic synthesizer is known for its ability to deliver warm, orchestral tones and is a beloved choice among synth enthusiasts and musicians seeking a classic sound.

With four separate sections—strings, brass, woodwind, and organ—the Orchestra 2 offers a wide palette of sonic possibilities. Each section can be combined or soloed, allowing for intricate and layered compositions. This synthesizer features a 49-key keyboard, providing ample range for expressive play. The front panel is user-friendly, with intuitive sliders and buttons that make it easy to sculpt your sound with precision.

The Orchestra 2's analog sound is complemented by a chorus effect that enhances its richness, adding depth and dimension to your music. Its distinctive sound has been utilized in various musical genres, from synth-pop to cinematic scores, showcasing its versatility.

As a vintage piece, the Siel Orchestra 2 not only delivers a nostalgic sound but also serves as a unique instrument for modern creators who value the warmth and character of analog synthesis.

Key Features:

49-key polyphonic analog synthesizer
Four independent sections: strings, brass, woodwind, and organ
Intuitive front panel with sliders and buttons for sound manipulation
Built-in chorus effect for enhanced sound depth
Vintage sound with modern versatility
Made in Italy, reflecting classic European craftsmanship

Videos

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Derry Tift

Siel Orchestra 2 part 1

Derry Tift

SIEL Orchestra 2 Vintage Analog Synth/String Machine (1983) DEMO

Alberto Napolioni

Siel Orchestra 2 part 2

Derry Tift

Siel Orchestra 2 - w Arturia Minibrute - using EQ & Flanger

LESINDES

Siel Orchestra 2 quick overview

Synth Magic

Siel Orchestra 2 - w MFB-Tanzbär - using EQ & Flanger

LESINDES

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 Siel Orchestra 2.

Comparisons

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The Siel Orchestra 2 shares its design with the Sequential Circuits Prelude, offering more features than the original Siel Orchestra.
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Setup and maintenance

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Owners advise caution with solid core rainbow ribbon cables; they can break if flexed excessively.
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Cleaning the bus bar is crucial for fixing dead keys; avoid bending the delicate spring contacts during the process.
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Use De-Oxit to clean and potentially fix sticky slide potentiometers before considering replacement.
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Features and functionality

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Combining presets by pressing multiple buttons simultaneously enhances sound options; Brass & Strings are a popular combination.
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The "animator" function enhances the string machine sound, recommended with additional chorus and delay effects for richer tones.
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Value and pricing

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Acquired for $250, the Siel Orchestra 2 is considered a valuable purchase with no intent to resell due to its uniqueness.
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Artist usage

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Victoria Legrand

Singer, Keyboardist

Beach House

Verified via YouTube

Victoria Legrand can be seen using a Siel Orchestra 2 at this performace on Letterman

A. G. Cook

Keyboardist, Music Producer

Verified via Photo

In the A. G. Cook's Arte TRACKS Interview at 1:21, Siel Orchestra 2 can be seen to the right side of A. G. Cook.

Joseph Mount

Singer, Guitarist

Metronomy

Verified via YouTube

Joseph Mount can be seen using a Siel Orchestra 2, at 0:15 in this video.

Tomethy Furse

Bassist, Keyboardist

The Horrors

Verified via Soundonsound

"I also used a bunch of different modules as well as the René. I've got lots of Intellijel modules, and I put a lot of parts through the Korgasmatron for shaping and stereo filtering or phasing effects. I also use both my Prophets, the 5 and the 8, just because they're the best pad machines out there. They're so rich. I use the [Roland] Juno and the [Korg] MS20s a lot, and I used the Siel Orchestra quite a bit."