Tone City TC-T37 Mad Stone Classic Germanium Diode vs Walrus Audio Fundamental Distortion
The Tone City TC-T37 Mad Stone Classic Germanium Diode and the Walrus Audio Fundamental Distortion are both pedals sharing silicon, compressed, bright. The Tone City TC-T37 Mad Stone Classic Germanium Diode leans aggressive. The Walrus Audio Fundamental Distortion leans crunchy. Current prices: $79.80 vs $75.21.
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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.37% — somewhat different
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Derived from overlapping tonal signals across both listings.- silicon
- compressed
- bright
- tight
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Citation/mention fame — how often this gear is cited across artist rigs and gear discussion.$79.80via Reverb
$75.21via Reverb
The Tone City Mad Stone is a budget distortion pedal built around germanium diode clipping. Germanium diodes clip at a lower threshold than silicon, so the voicing is softer, warmer and more compressed than a typical silicon distortion, with a rounded top end and a smooth, vintage-flavoured breakup rather than a sharp, cutting edge. It sits in a compact mini enclosure at an accessible price and is aimed at players wanting classic, warm distortion character without a boutique outlay.
The Walrus Audio Fundamental Distortion is a streamlined distortion pedal from Walrus Audio's Fundamental Series, using slider controls for Gain, Tone, and Volume alongside a 3-position mode switch (Dark, Si, LED) that fundamentally changes the clipping style and voice, effectively packing three distinct distortion circuits into one compact, pedalboard-friendly enclosure. Dark mode uses asymmetric silicon clipping with a high-frequency cut, Si mode delivers classic compressed, crunchy silicon hard clipping, and LED mode offers a more dynamic, articulate crunch via LED hard-clipping diodes.
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Genres this gear is documented as being used in.- alternative
- hard rock
- metal
- Alternative Rock
- aggressive
- crunchy
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Occasions this gear suits — judged per model, or derived from its wattage, connectivity and category.- Busking
- Live