Mark Verbos stays true to form: modules that sidestep the modular mainstream. Shown at SuperBooth 26 in May and now in stores, the Haas Zone Processor is an analog-clocked digital delay bank built entirely around very short delays — the psychoacoustic territory where a few milliseconds are enough to widen, thicken or ring a sound.
The Haas effect as a starting point
The name points to the Haas effect, the illusion where a delay under roughly forty milliseconds is no longer heard as a distinct echo but as stereo widening or source thickening. The module works this principle with three delay taps covering complementary ranges: the first drops below a millisecond and climbs to 20 ms, the second adds 1 to 20 ms, the third runs 9 to 42 ms. Play with those times and you get flanging, chorus, ADT-style doubling and resonance effects, without ever tipping into a clear echo.
Far more than a delay
Where Verbos goes past a simple effect is by building in a full analog oscillator, a bandpass filter and a voltage-controlled mixer. The module is normalled so you can zero in on several resonant frequencies by moving the oscillator frequency, the bandpass frequency and the delay time together. The upshot: the Haas Zone doesn’t just treat a signal passing through it, it can work as a sound source in its own right, from waveshaping to resonant textures and noisy voices when you feed noise into the filtered feedback loop.
That versatility is pure Verbos: an object meant to be explored at the patch cable rather than boxed into one function. CV inputs on the delay, oscillator and filter open the door to audio-rate modulation, where the best surprises hide.
Specifications
| Spec | Value |
|---|---|
| Width | 28 HP (Eurorack) |
| Power | 110 mA at +12 V, 55 mA at -12 V |
| Weight | 325 g |
| Delay ranges | Tap 1: <1 to 20 ms · Tap 2: 1 to 20 ms · Tap 3: 9 to 42 ms |
| Indicative price | around $813 (roughly 689 EUR) |
It sells for around 689 EUR, consistent for a module this dense from Verbos. For anyone building a system in the spirit of recent Eurorack multi-effects, it brings a very different approach, analog in its clock and built for the short-time domain.
My take
Short delays are the kind of tool you underrate until you grasp everything they do to the perception of space. Verbos doesn’t ship yet another screen-driven time-stretch effect: it puts hands on a handful of milliseconds, with an oscillator and a filter to turn the delay into an instrument. Being able to make it a standalone voice is what sets it apart from a plain effect module. The usual Verbos trade-off remains: 28 HP and a price that reserve it for people who already know what they’ll make it say. For a system chasing character in the short-time domain, it’s a piece that makes sense.
Frequently asked questions
Is the Haas Zone Processor a delay or a synthesizer?
Both. It is first a multi-tap delay bank for short delays, but the built-in analog oscillator, bandpass filter and mixer let it work as a standalone sound source, beyond simply treating an incoming signal.
How much space does it take in a rack?
It occupies 28 HP and draws 110 mA on the +12 V rail and 55 mA on the -12 V. It weighs 325 g, so plan a comfortable row and adequate power.
What effects can it produce?
Working the three delay ranges gives flanging, chorus, ADT-style doubling and resonance effects. Push the oscillator and filter and you reach waveshaping and resonant textures, even noisy voices through the filtered feedback.
Is it available now?
Yes. Shown at SuperBooth 26 in May 2026, it reached stores from September 2026, at a price around 689 EUR.
