Boffin FX Vibratron vs Universal Audio Astra Modulation Machine
The Boffin FX Vibratron and the Universal Audio Astra Modulation Machine are both pedals sharing modulated. The Boffin FX Vibratron leans spring and transparent. Current prices: $65 vs $229.
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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.38% — somewhat different
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Genres both listings are associated with.- Indie
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Derived from overlapping tonal signals across both listings.- modulated
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Citation/mention fame — how often this gear is cited across artist rigs and gear discussion.$65via Reverb
$229via Reverb
The Boffin FX Vibratron is an analog vibrato and tremolo pedal offering a range of pulsing and pitch-modulating effects from slow, violin-like warble to fast rhythmic tremolo chop. Controls include Rate for speed and Depth for intensity. Features true bypass and a red LED indicator for effect-on status. Powered by a standard 9V DC, 2.1mm center-negative supply. Suited to vintage rock, surf, country, and atmospheric indie styles where organic modulation is preferred.
The Universal Audio UAFX Astra Modulation Machine is a multi-mode modulation pedal from Universal Audio (Santa Cruz, California), delivering chorus, flanger, vibrato, ensemble, and tremolo modes in one DSP-powered modulation platform modeled on classic vintage modulation hardware. The Astra Modulation Machine uses Universal Audio DSP-powered analog-modeling to deliver studio-quality multi-mode modulation pedal in a compact pedalboard format.
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Genres this gear is documented as being used in.- Rock
- Country
- Classic Rock
- spring
- transparent
- dynamic