Dunlop MXR Distortion Plus vs Walrus Audio Fundamental Distortion
The Dunlop MXR Distortion Plus and the Walrus Audio Fundamental Distortion are both pedals sharing compressed. The Dunlop MXR Distortion Plus leans warm and mid-forward. The Walrus Audio Fundamental Distortion leans crunchy.
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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.47% — somewhat different
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Genres both listings are associated with.- Alternative Rock
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Derived from overlapping tonal signals across both listings.- compressed
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Citation/mention fame — how often this gear is cited across artist rigs and gear discussion.$75.21via Reverb
The MXR Distortion Plus is the original MXR distortion pedal, introduced in 1973 and one of the most influential hard-clipping distortion designs in the history of the electric guitar. The circuit uses a single op-amp with hard germanium diode clipping to produce a compressed, warm distortion character with a distinctive midrange voice. The Distortion Plus is strongly associated with Randy Rhoads, who used it with Ozzy Osbourne, and with Slash on early Guns N Roses recordings. It delivers moderate-to-high gain distortion with warm, natural compression and a mid-voiced character that cuts well in classic rock contexts. The design has been extensively copied and remains in production as the M104.
The Walrus Audio Fundamental Distortion is a streamlined distortion pedal from Walrus Audio's Fundamental Series, using slider controls for Gain, Tone, and Volume alongside a 3-position mode switch (Dark, Si, LED) that fundamentally changes the clipping style and voice, effectively packing three distinct distortion circuits into one compact, pedalboard-friendly enclosure. Dark mode uses asymmetric silicon clipping with a high-frequency cut, Si mode delivers classic compressed, crunchy silicon hard clipping, and LED mode offers a more dynamic, articulate crunch via LED hard-clipping diodes.
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Genres this gear is documented as being used in.- Classic Rock
- Rock
- Metal
- Hard Rock
- warm
- mid-forward
- saturated
- crunchy