SAINTE-GENEVIÈVE-DES-BOIS, France
About this listing
** ROCKTRON Dynamic Filter **100% brand new.Complete in original box.Reaction SeriesDynamic filter / auto-wah pedal comparable to the Mu-Tron III and EHX Q-Tron.Expressive, funky tones that respond directly to the player's dynamics.Harmonic sweep effect controlled by picking attack or fingerstyle intensity.Controls:Sensitivity: Adjusts how strongly the filter responds to playing dynamicsLevel: Controls the overall output levelDistortion Switch: Adds a built-in overdrive/distortion stage for more aggressive and cutting tonesFeatures:Dynamic filter based on a responsive frequency sweep circuitDirectly follows playing nuances and attackSuitable for both guitar and bassCapable of producing everything from subtle funk textures to highly vocal and synth-like effectsTrue Bypass (signal is completely removed from the circuit when the effect is disengaged)Power Supply: 9V battery or standard 9V DC power supply (not included)Compact metal Reaction Series enclosureDimensions: 125 × 78 × 61 mmThe Rocktron Reaction Dynamic Filter belongs to the family of dynamic filters and auto-wah effects, whose behavior depends directly on the player's attack and dynamics. Unlike a traditional wah pedal controlled by foot movement, the filter automatically opens and closes according to the intensity of the performance, creating highly expressive and organic sounds. Rocktron adopts a straightforward and effective approach here: minimal controls combined with an immediate and musical response.From the very first notes, the pedal stands out for its responsiveness. Lighter picking produces a subtle, smooth effect, while a more aggressive attack triggers much more pronounced filter sweeps. This constant interaction with the player's touch creates a highly organic feel and naturally encourages dynamic expression. On bass, it delivers highly effective funk grooves; on guitar, it adds a vocal, percussive quality that works particularly well for single-note lines and syncopated rhythm parts.In terms of sonic character, the most obvious comparison is the legendary Mu-Tron III, the historic benchmark for envelope filter effects. The Rocktron captures the same attack-sensitive filtering principle and expressive funk-oriented tones, but in a simpler and more straightforward package. It also recalls the Electro-Harmonix Q-Tron through its vocal quality and ability to generate broad, highly musical filter sweeps.Some similarities can also be found with the MXR M82 Bass Envelope Filter, particularly in its ability to track playing dynamics accurately while remaining controlled and articulate. However, the Rocktron develops its own identity thanks to its harmonic sweep circuit and integrated distortion switch, which can add extra bite, aggression, and presence when more assertive textures are required.One of the pedal's greatest strengths is precisely this simplicity. While many modern envelope filters offer numerous controls for frequency, resonance, filter direction, and other parameters, the Reaction Dynamic Filter focuses on immediate usability. It takes only a few seconds to dial in a practical and effective sound, making it particularly well suited to live performance. The filter remains clear and present within a mix while maintaining an excellent balance between expressiveness and control.Like the other models in the Reaction Series, the construction inspires confidence. The sturdy metal enclosure, simple and reliable electronics, and stage-ready format reflect a design philosophy built around durability and real-world use. The overall approach is reminiscent of many American pedals from the 2000s, where effectiveness, reliability, and ease of operation took precedence over excessive complexity.In the end, the Rocktron Reaction Dynamic Filter sits somewhere between a simplified Mu-Tron III and a more straightforward Electro-Harmonix Q-Tron. It delivers convincing funk tones, excellent dynamic tracking, and exceptionally intuitive operation. Its built-in distortion switch also provides a level of versatility rarely found in this category of effects. A rugged, distinctive, and highly effective pedal for musicians seeking an expressive dynamic filter without getting lost in an endless array of controls.
Original PriceR$664.39
55% price drop
New PriceR$303.89
+ R$302.84 Shipping
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