The Stoel Music Systems Dual Ring Modulator provides two classic analog ring modulators, which also feature a multiplication mode for added versatility. Depending on the front panel switch setting, the X and X inputs either modulate or multiply each other. All Stoel Music Systems modules feature aluminum front panels with a durable high-gloss white finish. For a crisp appearance and exceptional durability, the front panel markings are digitally printed at high-resolution with UV-cured ink. Mounting holes are plated to significantly reduce screw rash. The power connection features polarity protection to prevent accidental damage to the module if it is connected backward. Each module includes a 12” long 10-pin to 16-pin ribbon cable compatible with the Eurorack standard, M3 mounting screws, and a complimentary sticker.
A ring modulator is a type of audio effect that is commonly used in electronic music production and live performance. In a Eurorack modular synth system, a ring modulator is a module that can be used to create a wide range of unique and interesting sounds. The circuit for a ring modulator originated in telecom in the 1930s, so it was originally constructed with vacuum tubes and transformers.
A ring modulator takes two input signals and combines them using a mathematical operation called "ring modulation." This operation results in the sum and difference frequencies of the input signals, creating new and unique harmonic content. As a result, the output of a ring modulator can sound quite different from the input, producing metallic and bell-like tones and more complex and harmonically rich sounds.
Eurorack ring modulators come in a variety of different designs and with different features, but most have at least two audio inputs and one audio output. In addition, some have onboard oscillators, while others only provide the X and Y inputs that are multiplied, allowing the user to decide what signals they want to process.
One popular feature in some ring modulators is the ability to select between different modulation schemes. Each one will produce different sound characteristics, some more harmonic and others more dissonant.
Overall, a Eurorack ring modulator is a powerful and versatile tool for electronic music production and live performance. With the ability to create complex and unique harmonic content, a ring modulator can add depth and character to any sound. It's a must-have module for any modular synth enthusiast.
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