Union Rig — mono-in, stereo-out guitar instrument
UNION

RIG

Our AI just permanently broke your pedalboard. You're welcome.

Union Rig's AI-driven effects engine doesn't care about your feelings. The warm, compressed, fully analogue signal chain does.

Union Rig pedal

$849 — Shipping 2027

How it works

01

One cable in. Stereo out.

Your signal enters a fixed topology — six processing stages, always in the same order. We tried every other arrangement. This is the one where nothing fights anything else. The weight of your pickups, the way you dig in — all of it passes through intact.

02

Twelve sounds. Built for your hands.

The engine builds your working set — twelve sounds shaped to how you actually play. Not presets yanked from a library. Each one is a complete signal state: dynamics, saturation character, spatial depth, stereo field, output shaping. Tuned together so they work as a set, not a pile.

03

Every knob moves multiple things at once.

Each macro control maps to several parameters simultaneously through curved relationships. Turn Heat up and the saturation doesn't just clip — it breathes. Asymmetric harmonics shift the overtone balance while the frequency response reshapes around them. One knob. Many variables. All moving together on purpose.

04

Scenes morph. The sound never breaks.

Hold the scene switch and the engine crossfades every parameter between A and B — smoothly, no stepping, no zipper noise, no dropout. Let go and it comes back. Every transition is shaped so the midpoint sounds as intentional as the endpoints. Twenty-four playable states. Zero interruptions.

Every sound you've ever loved was made by someone who trusted their gear.

Machines are useless if you can't trust them.

Trust what works.

Fixed Signal Chain

Six stages. Fixed order. Every one of them is load-bearing.

Dynamics reshape how your playing enters the chain — not just compression, but sensitivity to your touch. Drive stages use nonlinear saturation with asymmetric harmonic content that shifts as you push harder. The stereo field is built from mono through time-domain processing — real width, no phase tricks. The space engine doesn't simulate a room. It builds one around your signal, sample by sample. Cabinet modeling adds dimensional character. The output stage limits transparently so nothing clips on the way out.

DYNAMICS

Pick response

DRIVE

Saturation

CHARACTER

Tone shaping

STEREO

Width split

SPACE

Delay + reverb

OUTPUT

Final shape

Six knobs. Four footswitches. Nothing else.

Tone / Feel

Touch

Heat

Body

Touch reshapes how your dynamics hit the chain. Not a volume knob — it's a sensitivity curve that changes threshold, ratio, and response time together. Heat is multi-stage saturation with asymmetric harmonics that shift the overtone balance as you push harder. Body moves the tonal center of gravity — low-end resonance, high-frequency rolloff, and air, all on one control.

Space / Time

Depth

Motion

Tempo

Depth controls the space engine — algorithmic reverb that responds to your signal, not a static impulse. Wet level, decay time, and damping all move together. Motion adds character and movement through the modulation stage. Tempo sets the time reference for anything rhythmic.

Footswitches — left to right

Looper

Scene A/B

Next

Previous

Sound is math with a little bit of chaos.

Try the Rig

Interactive pedal simulator. Turn the knobs, switch scenes, navigate sounds -- hear the Chaincraft DSP engine in real-time.

UNION RIG
IN
OUT
L/R
d_york
A01 / 14
DYNAMICS
DRIVE
CHARACTER
STEREO
SPACE
CABINET

Tone / Feel

Heat

Touch

Body

Space / Time

Motion

Depth

Tempo

Looper

Scene

Next

Prev

12 sounds. 2 scenes each. No banks.

Your working set is always loaded. Step through sounds with your feet. Switch scenes inside a song. Hold the scene switch to morph between A and B, let go to come back. Twenty-four playable states, zero menu diving.

The AI learns how you adjust — not who you are. A local preference memory nudges future sounds toward your tendencies. No cloud. No tracking. Wipe it whenever you want.

Velvet StaticASOUND 07 / 12HEAT +12 BODY -8

4.2" e-ink display

Shows where you are. Not what to do. No meters. No animations. Orientation, not permission.

Performance Looper

Your loop lives inside the instrument.

Single loop. Sound-on-sound overdub. Recorded post-dynamics, pre-space — so when you change the room or flip scenes, the loop moves with you. This isn't a looper bolted onto a rig. It is the rig. Switch sounds, swap scenes — the loop lives inside all of it. Kill it when you're done.

Mono In

Stereo Out

6

Macro Knobs

4

Footswitches

12

Sounds Loaded

24

Playable States

0

Menu Dives

Built to last

CNC Aluminum Enclosure

Milled from a single block of aluminum. No plastic anywhere. It'll outlive your band.

Internal Power Supply

IEC C14 inlet with universal AC-DC conversion. No wall wart. Earth-grounded to the chassis.

Deterministic DSP Engine

Audio processing runs isolated and in real time. No operating system. No jitter. No dropouts. Full stop.

AI on the Control Plane

The AI shapes parameters and builds sounds. It never touches your signal. That stays analogue.

$849. Ships 2027.

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