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Module 01 — Etna

Etna

A triple-control analog morphing filter. Dial in a sound, save it as a snapshot, then sweep smoothly or jump instantly between up to eight of them — live, by hand, by CV, or on the clock.

Etna is an analog multimode filter built around snapshots — full filter states you can capture, recall, and morph between in real time. Where a normal filter gives you one setting at a time, Etna lets you compose a sequence of them and move through it as part of the performance, not just the setup.

Every control stays live and analog underneath the snapshot system, so nothing about it feels like a preset browser — turning a knob mid-morph still does exactly what it looks like it should. Sweep by hand, drive the transition with a clock or trigger, or let an incoming CV pick the stage, and the filter responds the way a purely analog circuit would, just with a memory.

What it does

Three ways into the same filter.

01

Up to 8 snapshots

Capture a full filter state — every control position — as one recallable stage, and step or morph through as many as eight of them per patch.

02

CV, clock, or trigger

Advance the sequence by hand, on an external clock, from a trigger, or under continuous CV control — the same eight stages, four different ways to move through them.

03

Live, analog morphing

Transitions between stages are smooth and continuous by default, with an adjustable glide, so moving between snapshots reads as one gesture, not a hard cut.

Specifications

Width
20 HP
Power, +12V
165 mA
Power, −12V
88 mA
Current firmware
V1.3
Documentation

Manuals and firmware.

User manual
PDF

Download →

Firmware updating guide
PDF

Download →

Firmware V1.3
Latest release

Get it →

V1.3 — 05/2025

Glide between snapshots redesigned for more precise, intuitive control, with a 0–1 second range and smoother interpolation.

V1.2 — 08/2024

Copy/paste between presets, plus sequencing snapshots from external triggers.

V1.1 — 06/2024

Faster access to the preset menu, and LED indicators for the active window size.

See it in action

Demos and walkthroughs.

Quick, Fun & Musical! Triple Eurorack Filter with Snapshots // Etna by Patching Panda
DivKid

Sequence 64 snapshots with Etna
Patching Panda

This Is Patching Panda Etna (Animated Filter Bank)
Red Means Recording Modular

ETNA by Patching Panda demo
Stazma

PATCHING PANDA – ETNA! Triple Analog Morphing Filter Madness!
The Unperson

Vowel sounds with Etna
Patching Panda
Get one

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Etna is sold through Patching Panda’s dealer network rather than direct from the site.

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