Marsbucker 21 — When Power Speaks in Midrange

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The Marsbucker 21 is the highest-output pickup ever created by YHL.
But raw force was never the goal.

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Instead of building power from the low end like the 17 FC, the Marsbucker 21 takes a different route—one where midrange becomes the voice, and output becomes expression.

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This is maximum output, reimagined through clarity and structure.

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The Midrange as Language

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The defining character of the Marsbucker 21 lives squarely in the mids.

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Full, present, and unmistakably clear, the midrange carries the sound forward without harshness or congestion. Chords retain separation even under extreme gain, and single notes project with confidence and focus.

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Unlike many high-output designs that rely on aggressive upper-mid spikes, the 21’s mids are dense but composed—allowing complexity and harmonic detail to coexist with sheer power.

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Low End: Deep, Controlled, and Purposefully Set Back

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Beneath that midrange authority lies a low end that is deep and solid, but intentionally restrained.

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Rather than leading the sound, the bass provides a stable foundation—supportive, weighty, and controlled. This slight step back in the low frequencies creates space for the mids to breathe, keeping the overall tone tight and intelligible even in dense arrangements.

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The result is power without heaviness, impact without blur.

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Highs: Reduced, Refined, and Intentional

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Compared to the Marsbucker 14 FC, the high frequencies are more reserved.

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Not muted—focused. The top end stays smooth and controlled, avoiding excessive bite while preserving enough presence to keep articulation intact. This balance allows the pickup to feel aggressive without sounding sharp, making long sessions and high-gain playing far more musical.

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A Layered Playing Experience

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What sets the Marsbucker 21 apart is how its voice unfolds while playing.

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Attack remains clear, sustain develops with depth, and harmonics arrive in layers rather than spikes. Even at maximum output, the pickup retains a sense of dimension—each note occupying its own space within the sound.

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This creates a playing experience that feels powerful yet refined, dense yet articulate.

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For Players Who Command the Mix

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The Marsbucker 21 is for players who need their guitar to speak through the center of the band, not around it.

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For modern lead players, dense rhythm sections, and high-gain environments where midrange clarity defines presence, the 21 delivers authority without chaos.

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This is not just YHL’s most powerful pickup.
It is its most deliberate.