Dunlop MXR Distortion Plus vs MXR M69P Prime Distortion

The Dunlop MXR Distortion Plus and the MXR M69P Prime Distortion are both pedals sharing op-amp. The Dunlop MXR Distortion Plus leans warm and mid-forward. The MXR M69P Prime Distortion leans aggressive.

Similarity
citedBlended 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.

44% — somewhat different

Shared genres
citedGenres both listings are associated with.
  • Rock
Shared tone character
citedDerived from overlapping tonal signals across both listings.
  • op-amp
Citation fame
citedCitation/mention fame — how often this gear is cited across artist rigs and gear discussion.
17%
0%
Price
—

$81.62via Reverb

Description

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 MXR M69P Prime Distortion is an updated version of MXR's classic M69 Prime Distortion, a hard-clipping op-amp distortion pedal delivering aggressive, harmonically rich distortion suited to rock and heavy playing. The M69 Prime is part of MXR's classic distortion lineage that includes the Distortion+ and related op-amp-based designs.

Genres
citedGenres this gear is documented as being used in.
  • Classic Rock
  • Alternative Rock
  • Metal
  • Hard Rock
—
Tonal lean
  • warm
  • mid-forward
  • saturated
  • aggressive
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