A/DA MP-1 vs Mad Professor Mad-Rbo
The A/DA MP-1 and the Mad Professor Mad-Rbo are both pedals sharing mid-forward, transparent, full. The A/DA MP-1 leans saturated. The Mad Professor Mad-Rbo leans edge of breakup. Current prices: $285 vs $185.07.
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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.32% — somewhat different
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Derived from overlapping tonal signals across both listings.- mid-forward
- transparent
- full
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Citation/mention fame — how often this gear is cited across artist rigs and gear discussion.$285via Reverb
$185.07via Reverb
The A/DA MP-1 is a 1U rack-mount guitar preamp released in 1987 combining full analog tube circuitry with digital MIDI control. It features 12AX7 tubes, three channels including solid-state clean, tube clean, and tube distortion, 128 MIDI-programmable presets, a built-in stereo chorus, and its signature blue vinyl casing with red LCD. Voiced with a Marshall-like midrange emphasis and heavy saturation it defined the recorded guitar sound of 1980s hard rock and metal albums. Nuno Bettencourt of Extreme, Skid Row, and White Lion used it on defining records of the era.
The Mad Professor Royal Blue Overdrive covers a wide range from light overdrive into full distortion, with Volume, Distortion, Treble, and Bass controls. At its lowest Distortion setting the pedal behaves almost like an EQ stage, adding minimal filtering for a transparent boost. Turning the Distortion knob up moves it into a crunchy, tube-amp-like breakup and eventually into heavier gain. Both Treble and Bass are boost/cut shelving controls, giving broad tonal shaping rather than a single fixed voicing. It is built to go from subtle amp-like grit to genuine distortion within one pedal, and forms the basis of Mad Professor's Supreme A-side circuit.
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Genres this gear is documented as being used in.- Metal
- Hard Rock
- Classic Rock
- Blues
- Rock
- saturated
- edge of breakup
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Occasions this gear suits — judged per model, or derived from its wattage, connectivity and category.- Live
- Silent Recording
- Studio
- Silent Stage