Free Plugin

Orra Pump

Tempo-Synced Modulation Filter

Draw the shape. Lock it to the beat. A drawable modulation engine that drives a filter, tremolo, or auto-pan, looped, tempo-synced, or triggered from a sidechain.

Drawable curve editor, place and bend control points to draw any shape
Six targets: low, high, band-pass, notch filter, plus volume and pan
Stereo / Mid / Side routing, filter only the centre or wobble only the width
Tempo sync to any note division, or free-run at a Hz rate
Three trigger modes: Loop, One-Shot, and Loop (Trig) from a sidechain
Drawable swing grid for groove, with snap-to-grid drawing
Live overlays: playheads, smoothed trace, output ghost, and trigger meter
Stereo movement from one knob, split the left and right playheads
Trigger from the track itself or the host sidechain bus
Zero latency, safe to track and monitor through in real time
Free/ pay what you can

Secure checkout by Lemon Squeezy

How it works

One shape you draw, driven by the clock, aimed at the target you choose

Draw It — The Shape

Click to drop control points on a large screen, drag them to move, and bow each segment with its mid-handle. Straight ramps, smooth humps, exponential curves, anything you can draw.

The shape becomes a looping modulator, a value from 0 to 1 swept left to right across one cycle.

Turn on SNAP and points lock to the grid, including the swung off-beat lines, so a tight rhythm is easy to place.

The exact curve you want, not a preset

Aim It — The Target

Point the curve at one of six destinations: a resonant low, high, band-pass, or notch filter, or volume for tremolo and gating, or pan for auto-panning.

The CHANNEL selector aims the effect at the full stereo signal, just the mid, or just the side, so you can filter only the centre or wobble only the width.

DEPTH scales how hard the curve drives the destination; MIX blends the result against the dry signal.

One shape, any destination

Drive It — The Clock

Run the curve as a free LFO at a Hz rate, or lock SYNC on and it follows the host tempo at any note division, perfectly in time with no setup.

Or trigger it from a sidechain: One-Shot plays the curve once per hit, Loop (Trig) restarts the loop on every hit.

Raise STEREO to split the left and right playheads for wide, swirling motion from a single knob.

Looped, synced, or triggered

Draw the shape

Orra Pump is free / pay what you can. Get it now and lock your own modulation to the beat.

Explore Orra EQ
Free / pay what you can
Secure checkout

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