Electro-Harmonix LPB-1 vs Z.Vex Super Hard On

The Electro-Harmonix LPB-1 and the Z.Vex Super Hard On are both pedals sharing transparent, clean boost. The Electro-Harmonix LPB-1 leans saturated. The Z.Vex Super Hard On leans harmonically rich and compressed.

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.

38% — somewhat different

Shared tone character
citedDerived from overlapping tonal signals across both listings.
  • transparent
  • clean boost
Citation fame
citedCitation/mention fame — how often this gear is cited across artist rigs and gear discussion.
17%
34%
Price
—

$189via Reverb

Description

The Electro-Harmonix LPB-1 is a simple, single-transistor Linear Power Booster that provides transparent signal amplification without significant frequency coloring or harmonic alteration. Originally introduced in the 1960s, the LPB-1 uses a single NPN transistor to boost the guitar signal, driving tube amplifiers into natural saturation or increasing signal strength for long cable runs. Its single Boost control spans from unity gain to significant amplification. The LPB-1 is one of the simplest and most effective clean boost circuits ever produced, widely used by blues, rock, and country players.

The Z.Vex Super Hard On is one of the most influential boutique clean boost pedals ever released, built around a JFET-based circuit that adds significant clean gain and a subtle, musical harmonic push without introducing audible distortion at moderate settings. Zachary Vex hand-painted the earliest units himself, cementing the pedal's status as a cornerstone of the boutique effects movement that emerged in the 1990s, when small builders began challenging mass-produced pedals with hand-built, character-driven circuits. Its deceptively simple single-knob design belies a circuit that's been widely studied, cloned, and referenced by countless other boost and overdrive pedals in the decades since its release.

Genres
citedGenres this gear is documented as being used in.
  • Rock
  • Blues
  • Country
  • alternative
  • indie rock
  • country
Tonal lean
  • saturated
  • harmonically rich
  • compressed

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