Blurst Modulated Filter

EHX has grafted technology found in keyboard and modular synthesizers into a pedal designed for guitarists and bass players. The Blurst modulates an instrument’s sound like an envelope filter, but instead of the filter’s response being controlled by playing dynamics, it’s controlled by an internal oscillator. The Blurst is a must have for the adventurous player who wants to explore new sonic territory!


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Quick Specs
- Features an analog low pass filter with adjustable resonance
- Three modulation waveform shapes: triangle, rising saw-tooth and falling saw-tooth
- Modulation rate is set by either the rate knob or a combination of the tap footswitch and tap divide toggle switch offering quarter, dotted eighth and triplet rhythms
- Three EXP modes, range, rate and filter, can be controlled by an expression pedal or control voltage source like EHX’s 8 Step Program Analog Expression/CV Sequencer
- Range knob sets the frequency range of the filter’s modulation, Blend control adjusts the dry/filtered signal mix
- Includes an EHX 9.6DC200mA power supply
- Dimensions in inches: 2.75 (w) x 4.5 (l) x 2.1 (h)
- Dimensions in mm: 70 (w) x 115 (l) x 54 (h)
From the Blog
Posted 1/16/2017


Introducing the Blurst, a radical modulating filter. It's an effect often used on synthesizers, but we've designed the Blurst especially for guitar players and bassists who want to explore new sonic territory.



It features an analog, low pass filter with adjustable resonance, three modulation waveform shapes, tap tempo with tap divide and EXP control over Range, Rate or Filter. An EHX 9.6DC/200 AC adapter is included.



The Blurst is a must have for the experimental musician and works really well with an expression pedal, the EHX 8-Step Program and other control voltage sources. Whether used alone or with other effects, the Blurst's hypnotic effects are spellbinding!


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