Old Blood Noise Endeavors Blackcap Harmonic Tremolo vs Universal Audio Flow Tremolo
The Old Blood Noise Endeavors Blackcap Harmonic Tremolo and the Universal Audio Flow Tremolo are both pedals sharing lush. The Old Blood Noise Endeavors Blackcap Harmonic Tremolo leans pristine. The Universal Audio Flow Tremolo leans harmonically rich and spring. Current prices: $209 vs $114.86.
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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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Derived from overlapping tonal signals across both listings.- lush
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Citation/mention fame — how often this gear is cited across artist rigs and gear discussion.$209via Reverb
$114.86via Reverb
The Old Blood Noise Endeavors Blackcap is a dual asynchronous harmonic tremolo combining a simple three-knob analog tremolo with a more complex digital harmonic tremolo in one pedal. The analog side offers classic amplitude tremolo with rate, depth, and volume, ranging from slow sways to fast chopping. The digital side is a tap-tempo harmonic tremolo that crossfades between highs and lows rather than just modulating volume, with five selectable waveforms including sine, triangle, square, saw, and reverse saw for lush swells and synthy pulses. A series/parallel toggle lets the two run into each other or side by side for complex, asynchronous choppy textures, with volume boost on each side, expression control, ramp mode, and relay bypass. It suits vintage, ambient, and experimental players wanting tremolo from classic to far beyond.
The Universal Audio UAFX Flow is a compact vintage tremolo pedal that emulates classic tube-powered amp tremolo, delivering the woozy, pulsing sound of vintage Fender amps with impressive fidelity. It offers three modes: 65, modeling the optical tremolo of mid-1960s amps like the Deluxe and Twin Reverb; Square, a harder-edged choppier waveform; and Dharma, a harmonic tremolo voiced after late-1950s and early-1960s Fender amps. Its range spans gently pulsing throb to machine-gun chop, and the harmonic mode adds a lush, phasey movement many players find unexpectedly rewarding. Simple to use yet richly authentic, it is an affordable, great-sounding choice for blues, surf, indie, country and vintage-flavored tones in a small true-bypass enclosure.
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Genres this gear is documented as being used in.- Experimental
- Ambient
- Country
- Indie
- Blues
- pristine
- harmonically rich
- spring
- smooth