
Foil 2 by Rainbow Circuit
ADDITIVE SYNTHESIZER
Foil 2 by Rainbow Circuit is a Max for Live additive synthesizer that provides unmatched sound design capabilities. With eight oscillators, users can create harmonic or inharmonic timbres, while the pitch envelope allows for complex timbral gestures.
USER GUIDE: Foil 2_Manual
Foil 2 by Rainbow Circuit
ADDITIVE SYNTHESIZER
Foil 2 by Rainbow Circuit is a Max for Live additive synthesizer that provides unmatched sound design capabilities. With eight oscillators, users can create harmonic or inharmonic timbres, while the pitch envelope allows for complex timbral gestures.
USER GUIDE: Foil 2_Manual
Additional information
| MaxforLive | Instruments |
|---|---|
| Ableton Live Compatibility | Ableton Live 10 Standard with MaxforLive, Ableton Live 10 Suite, Ableton Live 11 Standard with MaxforLive, Ableton Live 11 Suite, Ableton Live 12 Standard with MaxforLive, Ableton Live 12 Suite |
| Min. Requirements | Ableton Live 10 Standard with MaxforLive Installed or Ableton Live 10 Suite |
| OS | MAC OS 11.0 OR LATER / WINDOWS: 10 (64-BIT) OR LATER |

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Foil 2 by Rainbow Circuit
With its eight sine wave oscillators, Foil 2 by Rainbow Circuit offers an unparalleled level of sound design capabilities. This innovative Max for Live additive synthesizer device takes your music production to new heights.
The design of Foil is centered around its oscillators. Oscillator 1 is triggered by the ADSR envelope in the front, while Oscillator 8 is triggered by the ADSR envelope in the back. The oscillators in between, namely Oscillator 2 to 7, follow an interpolated envelope value. This arrangement allows for precise control over each oscillator’s behavior and enables you to create complex and evolving sounds.
A key feature of Foil is its ability to tune the oscillators. You can choose to have them tuned to the harmonic series, which produces consonant and harmonically rich sounds. Alternatively, you can detune the oscillators to create inharmonic timbres that are more dissonant and edgy. This flexibility gives you the freedom to experiment and find the perfect timbral characteristics for your music.
In addition to tuning, Foil offers a pitch envelope function. This feature adds another layer of complexity to your sound design possibilities. By manipulating the pitch over time, you can create dynamic and expressive timbral gestures. For example, you can use the pitch envelope to slowly detune pads, creating a drifting and evolving sound that is perfect for atmospheric and ambient music. Alternatively, you can use it to create metallic risers, where the pitch gradually increases, adding tension and anticipation to your tracks. The pitch envelope can even be used to create piercing percussion sounds with sharp attacks and short decay times.
Foil 2 is not just for professional musicians. It is also a powerful tool for sound enthusiasts and hobbyists. Whether you are a seasoned producer looking to push the boundaries of your sound or a beginner wanting to explore new sonic territories, Foil 2 provides you with the tools to unleash your creativity.
The intuitive user interface of Foil makes it easy to navigate and control its various parameters. With just a few clicks, you can adjust the envelope shapes, detune the oscillators, and fine-tune the pitch envelope to suit your needs. The device also allows you to save and recall presets, ensuring that you can easily access your favorite sounds for future projects.
One of the standout features of Foil is its vast range of sound possibilities. From lush pads and evolving textures to gritty and aggressive basslines, Foil can do it all. Its additive synthesis engine allows you to build complex and rich sounds that are not easily achievable with traditional subtractive synthesis. The ability to manipulate each oscillator individually gives you precise control over the harmonic content of your sound, resulting in unique and interesting timbres.
In conclusion, Foil 2 by Babumas Devices is a game-changer in the world of additive synthesis. With its eight sine wave oscillators, pitch envelope, and intuitive interface, it offers unparalleled sound design capabilities. Whether you are a professional musician or a sound enthusiast, Foil 2 empowers you to explore new sonic territories, pushing the boundaries of your music and creating unique, expressive compositions.
Frequently Asked Questions
Foil 2 is a Max for Live device, so you will need Ableton Live Suite or Ableton Live Standard with a separate Max for Live licence. We recommend using the latest versions of both for the best experience.
Oscillator 1 is controlled by the front ADSR envelope and Oscillator 8 by the rear ADSR envelope, with Oscillators 2 through 7 following interpolated values between the two. This gives you smooth, evolving control over how each oscillator behaves across the full envelope stage.
Yes, you can tune the oscillators to the harmonic series for consonant, tonally rich sounds, or detune them into inharmonic territory for more experimental and abstract timbres. This makes Foil 2 useful across a wide range of sound design contexts.
Foil 2 excels at complex, evolving textures, pitched tonal pads, metallic or bell-like timbres, and experimental sound design. The pitch envelope makes it particularly strong for creating dynamic timbral gestures that shift and morph over time.
After downloading, simply drag the Max for Live device file into your Ableton Live User Library or directly onto a MIDI track. It will load instantly as long as Max for Live is active in your setup.
Absolutely. The intuitive layout and real-time envelope control make it well suited to live performance, allowing you to shape sounds dynamically on the fly. It works just as well in the studio for detailed sound design work.
The product description focuses on the synthesis engine itself, so we recommend checking the product page or contacting Rainbow Circuit directly to confirm the number of included presets. Either way, the interface is designed to be hands-on and accessible from the moment you load it up.
Important Information
V1.0.0 – Initial Release – July 2023
Our Products are generally provided as Zip file downloads which in all cases will need to be extracted and saved to your hard drive prior to installation. Details on the different file type provided and what to do with them are below.
.alp Files – These are Ableton Live Packs and will either install directly into the Packs Section of the browser of Ableton Live or ask you to save them to your hard drive. For packs that install to the library, when you double click on them you will see a pop up window asking you to confirm that installation is ok as the files are described as “Legacy”. This is fine and you are ok to proceed, the packs are created using the format for an earlier version of Live and so remain compatible with the current version.
.amxd files – These are individual MaxforLive Devices and can be stored anywhere on your hard drive. We’d advise creating a folder for them and then adding that folder as a location within the Places section of Lives Browser.
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