Mission Engineering Delta III SI Silicon Fuzz vs SolidGoldFX If 6 Was 9 MKII
The Mission Engineering Delta III SI Silicon Fuzz and the SolidGoldFX If 6 Was 9 MKII are both pedals sharing bright. The SolidGoldFX If 6 Was 9 MKII leans fuzzy and silicon. Current prices: $171.97 vs $199.
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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.- bright
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Citation/mention fame — how often this gear is cited across artist rigs and gear discussion.$171.97via Reverb
$199via Reverb
The Mission Engineering Delta III Silicon Fuzz is a silicon transistor fuzz pedal from Mission Engineering's Delta III series, delivering the bright, cutting, temperature-consistent character of silicon fuzz transistors with Mission Engineering's premium boutique construction quality. The silicon circuit provides reliable, consistent fuzz performance across temperature ranges.
The SolidGoldFX If 6 Was 9 BC183 MKII is a silicon Fuzz Face-style fuzz built around two BC183 transistors, widely regarded as the middle ground between the mushy compression of germanium and the brash, sawmill harshness of typical silicon. The voice is smooth and refined, holding together on chords rather than falling apart, with generous sustain on single notes. Five controls -- Volume, Bias, Fuzz, Volts and Saturate -- give unusual command over the circuit: Volts sets the supply voltage so the tone no longer depends on a dying battery, and Bias combined with it reaches any shade from gated, sputtering splat through to smooth and dynamic. Saturate trims the input for better cleanup and impedance matching. A Body toggle selects three voicings: Fat, Treble Boost and Classic. It cleans up beautifully as the guitar volume is rolled back.
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Genres this gear is documented as being used in.- Classic Rock
- Alternative Rock
- alternative
- glam rock
- psychedelic rock
- fuzzy
- silicon
- smooth