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Hexinverter Électronique Red Dragon

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Hexinverter Électronique Red Dragon

$249.00

Details / Features / Specs
The Red Dragon is a 24dB/oct 4-pole low-pass filter realised with a unique Soviet-era filter core. The curious filter structure of the Red Dragon favours character over precision; sure to impart colourful tone in your source material.

During the 1980's, a Russian electronics designer realised that one could build a musical filter using a fairly unconventional method. Unlike most other filter topologies, this method did not use capacitors to employ an RC time constant in its core filter stages. Instead, the internal properties of a programmable amplifier chip are modulated by a special "programming" input found on these devices. One of the modified properties is bandwidth of the amplifier. Changing this particular attribute over time effectively limits the frequencies that can pass through the amplifier, resulting in filtering! Because attributes other than bandwidth are also changing at the same time, this filter stage has instabilities at certain frequencies along the audible spectrum, resulting in colourful distortions and a character all of its own. The resonance's character is especially profound, resulting in bubbly and sometimes screeching sci-fi tones. The Red Dragon achieves a 24dB/oct resonant low-pass response by cascading four of these stages. What's more, you can morph between the two pole extremes (6dB and 24dB) to change the slope of the filter on the fly, either manually or through voltage control.

The Red Dragon is a 24dB/oct 4-pole low-pass filter realised with a unique Soviet-era filter core. The curious filter structure of the Red Dragon favours character over precision; sure to...

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