Keeley Muse Driver vs MXR M264 FET Driver
The Keeley Muse Driver and the MXR M264 FET Driver are both pedals sharing op-amp. The Keeley Muse Driver leans harmonically rich. The MXR M264 FET Driver leans transparent and dynamic.
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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.49% — somewhat different
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Derived from overlapping tonal signals across both listings.- op-amp
Keeley Muse Driver
Keeley · pedal
MXR M264 FET Driver
MXR · pedal
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Citation/mention fame — how often this gear is cited across artist rigs and gear discussion.$125via Reverb
The Keeley Muse Driver, the follow-up to the Super AT Mod, is a 4-in-1 overdrive built with Andy Timmons, combining JFET transistors, germanium diodes, and op-amp gain stages for harmonically rich overdrive. Controls include Tone, Drive, and Level, with two independent toggle switches offering AT (Low-Cut) or RK (Low Boost/Phat) Tone Mods and AT (Asymmetrical LED + Silicon) or RK (Dual Germanium) Drive Clipping Mods, giving four genuinely distinct playable voicings depending on toggle combination.
The MXR M264 FET Driver is a JFET-based drive and preamp pedal from MXR, delivering a transparent, warm overdrive character using Field Effect Transistor technology that approximates tube amplifier behavior more closely than conventional op-amp circuits. It provides natural signal conditioning suited to complex signal chains and direct recording applications where amp-like touch response matters.
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Genres this gear is documented as being used in.- Electronic
- Alternative Rock
- harmonically rich
- transparent
- dynamic
- saturated