Boss SD-1 Super OverDrive vs ProCo RAT 2
The Boss SD-1 Super OverDrive and the ProCo RAT 2 are both pedals sharing harmonically rich, dynamic, full. The Boss SD-1 Super OverDrive leans edge of breakup and aggressive. The ProCo RAT 2 leans low gain and fuzzy. Current prices: $59 vs $86.93.
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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.36% — somewhat different
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Genres both listings are associated with.- Metal
- Rock
- Alternative Rock
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Derived from overlapping tonal signals across both listings.- harmonically rich
- dynamic
- full
Boss SD-1 Super OverDrive
Boss · pedal
ProCo RAT 2
Proco · pedal
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Citation/mention fame — how often this gear is cited across artist rigs and gear discussion.$59via Reverb
$86.93via Reverb
The Boss SD-1 Super Overdrive is a long-running and affordable overdrive introduced in 1981, built around an asymmetrical clipping circuit that distinguishes it from the symmetrical Tube Screamer family. The asymmetrical diodes clip each half of the waveform differently, adding even-order along with odd-order harmonics for a slightly grainier, more aggressive, and harmonically rich voice with a touch more body and output. It shares the mid-pushed character that helps notes cut through a band, but feels closer to real tube-amp breakup, especially when pushing an already clean amp. Players use it as a low to medium gain drive or as a boost stacked into a dirty amp or another pedal. Used by Zakk Wylde, Josh Homme, and countless others, it suits blues, rock, and metal rhythm and lead work.
The ProCo RAT 2 is a classic hard-clipping distortion pedal whose circuit dates to the late 1970s, built around an LM308 op-amp and silicon diode clipping. Its three controls are Distortion, Filter, and Volume, with the distinctive Filter knob acting as a reversed tone control that runs from bright and cutting to dark and warm. Capable of far more than its name suggests, it spans gritty low-gain overdrive, thick midrange distortion, and nearly fuzz-like saturation while keeping notes present and clear even at high gain. It is a staple of punk, grunge, garage, stoner, doom, and alternative rock, and has been used by players from Jeff Beck and Thom Yorke to countless heavy and experimental guitarists. Dynamic and harmonically rich, it cleans up with guitar volume and stays articulate rather than overly compressed.
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Genres this gear is documented as being used in.- Blues
- Classic Rock
- Experimental
- Punk
- Grunge
- Hard Rock
- edge of breakup
- aggressive
- warm
- low gain
- fuzzy
- gritty
- saturated