Knight Audio Technologies Kat-STB vs Xotic ACB-V2
The Knight Audio Technologies Kat-STB and the Xotic ACB-V2 are both pedals sharing full, transparent, harmonically rich. The Knight Audio Technologies Kat-STB leans edge of breakup and glassy. The Xotic ACB-V2 leans warm and crunchy.
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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.34% — somewhat different
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Genres both listings are associated with.- blues
- indie rock
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Derived from overlapping tonal signals across both listings.- full
- transparent
- harmonically rich
Knight Audio Technologies Kat-STB
Unknown brand · pedal
Xotic ACB-V2
Xotic · pedal
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Citation/mention fame — how often this gear is cited across artist rigs and gear discussion.$180via Reverb
The Knight Audio Technologies Kat-STB is a treble booster purpose-engineered for the specific interaction between Brian May's Red Special guitar (with its Burns Tri-Sonic pickups) and a cranked Vox AC30. It boosts upper midrange and cuts muddy low-end from the Tri-Sonic pickups, feeding a tight, focused signal into the AC30 that drives the amp's natural compression and breakup at full volume, producing Queen-era chimey, harmonically rich lead tone that a standard overdrive pedal can't replicate through direct amp interaction alone.
The Xotic AC Booster V2 is a warm, amp-like overdrive and booster from the Los Angeles maker, offering over 20dB of gain with a voice designed to behave like pushing a good tube amp harder rather than imposing a pedal character of its own. Its active two-band EQ gives up to 15dB of boost or cut at bass and treble, so the drive can be fattened for a thicker rhythm voice or opened up for cutting leads while keeping the midrange natural. The gain range runs from a nearly clean, slightly thickened boost through to a full, harmonically rich medium-gain crunch, staying touch-sensitive and cleaning up readily with the guitar's volume. Internal DIP switches adjust the clipping and gain structure for further voicing. The V2 refines the circuit in Xotic's compact enclosure.
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Genres this gear is documented as being used in.- alternative
- blues rock
- edge of breakup
- glassy
- bright
- warm
- crunchy
- mid-forward
- dynamic
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Occasions this gear suits — judged per model, or derived from its wattage, connectivity and category.- Busking
- Live