Electro-Harmonix Pulsar Variable Speed Tremolo vs Fulltone Supa-Trem ST-1
The Electro-Harmonix Pulsar Variable Speed Tremolo and the Fulltone Supa-Trem ST-1 are both pedals sharing modulated, spring.
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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.- Classic Rock
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Derived from overlapping tonal signals across both listings.- modulated
- spring
Fulltone Supa-Trem ST-1
Unknown brand · pedal
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Citation/mention fame — how often this gear is cited across artist rigs and gear discussion.$99via Reverb
The Electro-Harmonix Pulsar is a variable-speed tremolo pedal from Electro-Harmonix, delivering optical-style amplitude modulation tremolo with Rate, Depth, and Shape controls. The Shape control selects between different tremolo waveforms from smooth sine wave to sharp square wave chopping. The Pulsar provides studio-quality tremolo with a wide Rate range from gentle slow pulse through fast, machine-gun tremolo chop.
The Fulltone Supa-Trem ST-1 is a true tube-driven tremolo pedal producing warm, organic, vintage-style volume modulation with genuine tube character rather than a digitally simulated pulse. Volume and Speed controls shape the pulse, and an optional ramp function lets the tremolo speed accelerate or decelerate smoothly rather than switching abruptly between rates. Its tube circuit gives the pulse a rounder, more musical shape at both slow, deep settings and fast, choppy speeds compared to solid-state tremolo circuits. It suits players wanting authentic, amp-like tube tremolo character in pedal form, particularly for vintage surf, blues, and classic rock tones.
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Genres this gear is documented as being used in.- Country
- Blues