Greer Amps Gorilla Warfare MkII vs Mr Black Mr. Black SludgeMaster
The Greer Amps Gorilla Warfare MkII and the Mr Black Mr. Black SludgeMaster are both pedals sharing fuzzy. The Greer Amps Gorilla Warfare MkII leans aggressive. The Mr Black Mr. Black SludgeMaster leans full and saturated.
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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.34% — somewhat different
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Genres both listings are associated with.- Stoner Rock
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Derived from overlapping tonal signals across both listings.- fuzzy
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Citation/mention fame — how often this gear is cited across artist rigs and gear discussion.$199via Reverb
The Greer Amps Gorilla Warfare MkII is a high-gain fuzz and distortion pedal from Athens, Georgia boutique maker Greer Amplification, delivering an aggressive, heavy fuzz-distortion character suited to doom, sludge, and heavy rock applications. The MkII designation indicates a refined second version of the original Gorilla Warfare design, with circuit improvements that enhance the heavy, aggressive character while addressing the limitations of the first version. Greer builds handmade boutique effects in Athens, GA, and the Gorilla Warfare MkII represents their heaviest, most aggressive drive design.
The Mr. Black SludgeMaster is a fuzz based on a classic 1970s IC-based fuzz circuit, delivering a super-heavy, harmonically full fuzz tone with a woolly character, punchy and articulate midrange, and thick op-amp grind, cleaned up to run quieter and sound sweeter than the vintage circuit that inspired it. Volume, Tone, and Sustain controls shape the saturation, readily fattening single coils and driving humbuckers into a dense wall-of-sound. Tuned specifically for sludge, doom, and low-tuned heavy playing, it's still surprisingly versatile beyond that core use case. It suits doom, sludge, and stoner players wanting a powerful, saturated, characterful fuzz with real midrange punch rather than a scooped, thin heavy-fuzz voicing.
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Genres this gear is documented as being used in.- Rock
- Metal
- aggressive
- full
- saturated
- sustaining