Electro-Harmonix Bad vs Maestro PS-1A Phase Shifter
The Electro-Harmonix Bad and the Maestro PS-1A Phase Shifter are both pedals sharing low gain, analog warmth. The Electro-Harmonix Bad leans fuzzy. The Maestro PS-1A Phase Shifter leans lush and warm. Current prices: $58.84 vs $180.
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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.53% — moderately similar
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Genres both listings are associated with.- Classic Rock
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Derived from overlapping tonal signals across both listings.- low gain
- analog warmth
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Citation/mention fame — how often this gear is cited across artist rigs and gear discussion.$58.84via Reverb
$180via Reverb
The Electro-Harmonix Bad Stone is a classic analog phase shifter first introduced in 1975, notable as one of the first phasers to incorporate a feedback control into its circuit for a more resonant, intense sweep. It offers a six stage phase shift with rate control and a manual mode that lets you set and hold the phase position by hand rather than using the LFO. Its voice ranges from subtle, watery movement to deep, swirling, resonant phasing with a vintage, organic character. It suits classic rock, funk, psychedelic and experimental players who want a warm, characterful vintage phaser with the unusual flexibility of manual phase control and feedback enhanced resonance.
The Maestro PS-1A Phase Shifter is a vintage analog phaser introduced in 1971, prized for one of the lushest, warmest phase sounds ever produced. Rather than a sharp modern sweep, it delivers a warm, organic, and often subtle swirl with three speed settings, including a distinctive braking transition between fast and slow that sounds like a jet engine winding down. It defined classic 1970s phasing, heard on the electric piano of Led Zeppelin's No Quarter and on recordings by Steve Howe and Ernie Isley. It suits psychedelic, classic rock, and vintage tone enthusiasts who want immersive, lush movement. Some high-end loss occurs when engaged, easily corrected with a buffer upstream.
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Genres this gear is documented as being used in.- Funk
- Experimental
- Rock
- fuzzy
- lush
- warm
- crunchy