Jackson Audio Bloom EQ Boost Compression vs Valco Under Pressure Classic Compressor
The Jackson Audio Bloom EQ Boost Compression and the Valco Under Pressure Classic Compressor are both pedals sharing transparent. The Jackson Audio Bloom EQ Boost Compression leans dynamic. The Valco Under Pressure Classic Compressor leans compressed and smooth.
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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.48% — somewhat different
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Genres both listings are associated with.- Country
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Derived from overlapping tonal signals across both listings.- transparent
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Citation/mention fame — how often this gear is cited across artist rigs and gear discussion.$59via Reverb
The Jackson Audio Bloom is a studio-grade optical compressor, active EQ, and clean boost in one compact boutique pedal. Its optical limiting circuit, inspired by vintage vacuum-tube compressors, is prized for transparency, adding a gentle sweetening and organic glow rather than obvious coloration. The active EQ shapes tone effectively and is often left on permanently, while the transparent boost adds subtle grit and pushes downstream overdrive pedals well. It suits players who want always-on compression and tone polish for clean funk, country picking, worship, and studio recording without squashing dynamics. Built in a rugged stainless steel enclosure, it ranges from subtle leveling to aggressive squeeze depending on settings.
The Valco Under Pressure is a Ross-style analog compressor pedal from the revived Valco brand, using Sustain, Attack, and Level controls to shape a quiet, smooth, transparent compression rather than an obviously colored vintage squash. Sustain sets how long notes are held and compressed, Attack shapes the initial pick transient's tonal character, and Level compensates output volume for the gain reduction. True bypass keeps the signal clean when off. Reviewers describe it as an excellent compressor and sustainer that rivals pedals costing twice as much, prized for how quietly and smoothly it evens out dynamics without drawing attention to itself. It works especially well for country chicken-pickin' and any playing style where a player needs to step out cleanly above the mix for a solo without the compression itself becoming audible. It suits players wanting genuinely transparent, quiet Ross-style compression at an affordable price rather than a heavily colored vintage-voiced squash.
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Genres this gear is documented as being used in.- Funk
- dynamic
- compressed
- smooth