EarthQuaker Devices Zoar vs Universal Audio knuckles
The EarthQuaker Devices Zoar and the Universal Audio knuckles are both pedals sharing crunchy, transparent. The EarthQuaker Devices Zoar leans edge of breakup and dynamic. The Universal Audio knuckles leans high gain and tight.
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Blended from circuit-archetype lineage, dynamic feel, tone-signal overlap and tone-vector distance — the tone vector itself is derived from editorial description text, not a measured acoustic signal, so this reflects how similarly the catalog copy describes the two, not a lab measurement. Shown only within a gear class, and only where there's enough evidence to be meaningful.35% — somewhat different
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Genres both listings are associated with.- Rock
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Derived from overlapping tonal signals across both listings.- crunchy
- transparent
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Citation/mention fame — how often this gear is cited across artist rigs and gear discussion.$129via Reverb
The EarthQuaker Devices Zoar Dynamic Audio Grinder is a medium-to-high-gain discrete distortion built entirely from transistors with no op-amps or clipping diodes, giving it a touch-sensitive, amp-like character. It spans fattened clean boost, crunchy speaker breakup, muscular distortion, and stabs of hi-fi fuzz, with a dynamic response reminiscent of cranking the master volume on a Marshall or Orange. A three-band active EQ plus a distinctive Weight control sets how much low end feeds the circuit, dramatically reshaping the voice from tight and crumbly to thick and blown out. It is highly tweakable and reactive to picking and guitar volume, suiting rock and heavier styles that want amp-like grind from a pedal.
The Universal Audio UAFX Knuckles '92 Rev F is a DSP amp-in-a-pedal emulation of the Revision F Mesa/Boogie Dual Rectifier, the high-gain amp that defined modern rock and metal rhythm tone. The Rev F circuit and power transformer gave increased clean headroom and a tight, punchy bass response, and the pedal captures that thumping low end without muddiness alongside the throaty, scooped midrange character of the original. Three switchable channels move from clean and articulate, through a balanced mid-gain crunch, to a heavy, aggressive saturated lead voice, while selectable solid-state or tube rectifier modes trade tight, immediate attack for softer, spongier sag and feel. A TS-style overdrive and boost, a noise gate for tight gated chugs, six cabinet emulations and room modelling derived from UA's OX Amp Top Box complete the rig, with deeper editing, 6L6 or EL34 output tube selection and bonus cabs available over Bluetooth or USB-C.
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Genres this gear is documented as being used in.- Blues
- Hard Rock
- Metal
- edge of breakup
- dynamic
- harmonically rich
- fuzzy
- saturated
- high gain
- tight
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Occasions this gear suits — judged per model, or derived from its wattage, connectivity and category.- Silent Recording
- Silent Stage
- Studio