Source Audio Ventris Dual Reverb

The Source Audio Ventris Dual Reverb is a stereo reverb pedal built around two completely independent reverb processors, so it can run two reverbs at the same time rather than one¹². Source Audio describes it as a way to "weave together any pair of Ventris's expertly crafted reverb effects into a single unified soundscape"¹. It sits in the maker's line alongside the Nemesis Delay, which Delicious Audio called its "brother"³, and the later Source Audio Encounter³.

Two reverbs in one pedal

Set the toggle to A + B and the Ventris runs two reverbs simultaneously in parallel, in series, or in separate left and right signal paths¹. Because each engine has its own processor, features like preset spillover, where one preset's reverb tail carries into the next, are built in¹. Pedal of the Day's reviewer put it plainly: "Spillover between presets, dual DSP architecture and massive processing power catapult the Ventris to the top-of-the-line among reverb pedals overall"⁴.

The pedal's stereo input and output jacks can be used for stereo reverb effects or set up as an external effects loop⁵. Pedal of the Day's review stressed the point for players wiring a board: "These two reverbs ABSOLUTELY should be run in a Stereo configuration"⁴.

The engines

The Ventris carries 12 onboard reverb engines, with further reverb effects available through the Neuro Mobile App or Neuro Desktop Editor². A few of the engines, as described by Delicious Audio's Paolo De Gregorio:

• True Spring: "perfectly capturing the unmistakable 'drip' of vintage spring reverb tanks", a design De Gregorio called "a massive undertaking, requiring a deep understanding of the physical characteristics of reverb springs"²
• Plate: "the marvelously lush and diffuse effect found in classic plate fixtures from the late 1950s"²
• Room to E-Dome: a range of room sizes "starting with the warm and tight subtleties of the Room engine and advancing to the expansive reverberations of the gargantuan E-Dome"²
• Hall: "captures the lush sounds of high-powered Lexicon rack units from the 1980s"²

Source Audio's own description of the Room engine matches that span: it "captures the ambient reverberations of a real acoustic space, from a warm and intimate household room to a larger theatre sized space"¹.

One engine gets singled out by Josh Scott of JHS Pedals: "The offspring setting sets off this rhythmic, melodic, crazy thing that ties into the tempo, and I've never heard anything" like it⁶.

Controls, MIDI and expression

The OPTION footswitch can be assigned to preset scrolling, A to B or A plus B reverb toggling, reverb hold, runaway reverb, or tap tempo¹⁵. For MIDI, the pedal offers 5-pin MIDI DIN and USB MIDI, with up to 128 effect presets recallable via MIDI PC messages¹. Expression control comes through the Neuro Hub, which connects to any TRS (Tip Hot) expression pedal and can be assigned to any combination of knob parameters¹.

What reviewers said

Pedal of the Day's 2018 review ranked it at the top of the field, crediting the dual DSP architecture and processing power⁴. Guitar World's Trevor Curwen, reviewing the later Collider, noted that "Anyone who has Source Audio's Nemesis Delay and Ventris Dual Reverb on their pedalboard has a pretty comprehensive arsenal"⁷. Guitar Pedal X's Stefan Karlsson included it among stereo reverb workstation pedals, highlighting the stereo jacks and the OPTION footswitch assignments⁵.

For players who want the Ventris's engines in a smaller or different format, Source Audio later released the Collider Delay+Reverb, which combined delay and reverb engines from the Nemesis and Ventris, and more recently the Source Audio Encounter and the Source Audio Pathways Multi-Mode Full Stereo Tremo-Verb. The maker also sells a dedicated Source Audio True Spring pedal built around the spring engine. See the site's Reverb Pedals page for how the Ventris sits among other reverb types.

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