Greer Amps Royal Velvet vs Mad Professor Simble Overdrive MK2
The Greer Amps Royal Velvet and the Mad Professor Simble Overdrive MK2 are both pedals sharing dynamic, transparent. The Greer Amps Royal Velvet leans glassy and bright. The Mad Professor Simble Overdrive MK2 leans warm and sustaining. Current prices: $229 vs $130.
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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.43% — somewhat different
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Derived from overlapping tonal signals across both listings.- dynamic
- transparent
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Citation/mention fame — how often this gear is cited across artist rigs and gear discussion.$229via Reverb
$130via Reverb
The Greer Amps Royal Velvet is a Class A British drive and preamp pedal built in Athens, Georgia, inspired by the natural breakup character of Vox and Matchless-style British valve amplifiers. It delivers a chimey, harmonically complex overdrive with characteristic Class A warmth, open articulation, and mid-forward presence. Used as both a standalone drive and an amplifier-enhancement tool, the Royal Velvet suits clean to lightly driven amp contexts in blues, indie rock, country, and British-influenced pop where subtle, musical saturation is the goal.
The Mad Professor Simble Overdrive Mk2 is the second-generation version of Mad Professor's flagship overdrive, an Alexander Dumble-inspired circuit that captures the warm, singing, harmonically complex breakup associated with Dumble's legendary custom amplifiers. The Simble is one of the most acclaimed affordable Dumble-inspired overdrives in the boutique market, and the Mk2 refinements address specific tonal and control criticisms of the original with circuit improvements and enhanced usability.
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Genres this gear is documented as being used in.- Indie Rock
- Metal
- Country
- Blues
- Alternative Rock
- glassy
- bright
- warm
- sustaining
- edge of breakup