Eventide Blackhole Reverb Pedal, Stereo, MIDI, Gravity Control

Eventide Blackhole Reverb Pedal: Otherworldly Space in a Stompbox

The Eventide Blackhole is a stereo reverb pedal built around the signature Blackhole algorithm, offering five onboard presets and up to 127 more over MIDI. Blackhole began life as one of the most sought-after reverb effects in Eventide's rack and plug-in history, prized for tails so large they feel like their own landscape, and this pedal puts that exact sound under a footswitch. It is designed for the player who wants ambient space far beyond a spring or hall reverb, the kind of reverb that becomes an instrument in its own right. Step on it and the room disappears into something vast and cinematic.

The Blackhole Algorithm and Gravity

At the heart of the pedal is the Blackhole reverb algorithm with its defining Gravity control, which reshapes how the reverb tail behaves over time. Turned in the positive direction, Gravity produces enormous, slowly evolving decays that feel natural but impossibly large; turned negative, it inverts the reverb into rising, sucking, backward-sounding tails that no acoustic space could ever create. This works because Blackhole is a synthetic reverb rather than an emulation of a physical room, so its decay envelope can be pushed into shapes that defy real-world physics. Additional controls for size, low and high decay, and modulation let a player dial anything from a believable cathedral to a shimmering drone. Gravity is the feature that separates Blackhole from ordinary reverbs and gives it its unmistakable character.

True Stereo Signal Path

The Blackhole pedal is genuinely stereo, with a 1/4-inch input that configures for mono or stereo sources feeding two 1/4-inch outputs. Input impedance adapts to the connection, at 700k ohms in mono and 990k ohms in stereo, and the pedal handles up to +8 dBu from a guitar or +14 dBu at line level, so it sits happily in front of an amp or inside a studio chain. Running true stereo lets the reverb spread its ambient tails across a wide field rather than collapsing them to a single point, which is what gives synths, keys, and stereo rigs their sense of depth. That headroom and flexible I/O also make the pedal equally at home on a pedalboard or patched into an interface for mixing. It is a reverb that scales from a guitar amp to a full production environment.

Presets and MIDI Control

Five presets live on the front panel for instant recall, and the pedal expands to a full 127 presets through MIDI for players who need deep, repeatable scene changes. The factory presets, Blackhole, Dark Matter, Nebula, Singularity, and Pulsar, map out the algorithm's range from subtle to extreme so a new user can find a sound fast. Over MIDI, the pedal integrates into a larger rig where a controller or DAW can call up any patch and automate parameters in time with a song. This makes the Blackhole as viable for a meticulously programmed live set as it is for spontaneous knob-twisting. Deep control hides beneath a deliberately simple face, so the pedal is approachable yet never limiting.

Expression, Aux, and Connectivity

A dedicated 1/4-inch TRS jack serves as an expression pedal input, aux switch, or MIDI connection, turning the Blackhole into an expressive, hands-and-feet instrument. An expression pedal can sweep multiple parameters at once between two saved positions, letting a player morph a small room into a collapsing star in real time with a rock of the foot. An aux switch adds tap and preset-stepping functions for quick changes without bending down, and the MIDI capability ties everything into a synchronized rig. This one flexible jack is what lets the pedal grow from a set-and-forget reverb into a performance controller. It rewards experimentation while staying dead simple for players who just want a great reverb tone.

Who the Blackhole Pedal Is For

The Blackhole reverb pedal is for ambient and post-rock guitarists, synth and keyboard players, and studio engineers chasing huge, characterful space. Its universal power supply and compact 4-inch-square footprint make it easy to add to a pedalboard, while its stereo I/O and studio-grade headroom make it just as useful patched into a mix. Ambient textures, cinematic pads, experimental sound design, and larger-than-life vocal and instrument reverbs are all within its reach. For anyone who thinks of reverb as a creative destination rather than a subtle finish, the Blackhole turns space itself into the effect.