Demon FX Microtube D7K "Bass" Preamp vs Tech 21 Sansamp YYZ Shape-Shifter
The Demon FX Microtube D7K "Bass" Preamp and the Tech 21 Sansamp YYZ Shape-Shifter are both pedals sharing aggressive. The Tech 21 Sansamp YYZ Shape-Shifter leans transparent and high gain. Current prices: $78.80 vs $249.
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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.52% — moderately similar
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Derived from overlapping tonal signals across both listings.- aggressive
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Citation/mention fame — how often this gear is cited across artist rigs and gear discussion.$78.80via Reverb
$249via Reverb
The Demon FX Microtube D7K is a budget bass preamp and overdrive pedal from the Chinese effects manufacturer Demon FX, designed in the Darkglass Microtubes B7K circuit tradition with a 4-band active EQ plus hi and lo pass filters. Delivers aggressive transistor bass overdrive with extensive bass-specific EQ for modern aggressive bass tones. The D7K provides Darkglass-B7K-adjacent performance at budget pricing.
The Tech 21 SansAmp YYZ Shape-Shifter is a signature bass preamp and DI from Tech 21 (New York, USA), co-developed with Geddy Lee of Rush as a companion to the GED-2112, adding a harmonically rich drive mode inspired by the tones of the Rush classic YYZ for aggressive harmonic bass distortion alongside the SansAmp clean preamp channel.
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Genres this gear is documented as being used in.- Metal
- Djent
- metal
- hard rock
- rock
- transparent
- high gain
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Occasions this gear suits — judged per model, or derived from its wattage, connectivity and category.- Live
- Silent Recording
- Studio
- Live
- Silent Recording
- Silent Stage
- Studio