# Eventide H3500 Ultra-Harmonizer

> This multi-effects & modeling entry consolidates documented Eventide H3500 Ultra-Harmonizer variants, controls, settings and roles across dated guitarist pedalboards.

- Canonical page: https://pedalboardarchive.com/pedals/eventide-h3500-ultra-harmonizer/
- Machine-readable index of the archive: https://pedalboardarchive.com/llms.txt
- Evidence and reconstruction conventions: https://pedalboardarchive.com/methodology/

- **Category:** Multi-effects & Modeling
- **Types:** Delay, Harmonizer, Multi-effects
- **Also known as:** H3500, Ultra-Harmonizer
- **Controls:** Delay, Feedback, Mix, Pitch, Program
- **Identification:** The model is identified.
- **Documented appearances:** 1 board, 2019

A black rack processor with a green numeric display, keypad and large parameter wheel.

## Documented boards

Each row is an observed appearance on a dated board. A position is only an observed one where that board's order evidence says so.

| Artist | Board | Date | Positions | Order evidence | Page |
| --- | --- | --- | --- | --- | --- |
| Robert Fripp | King Crimson surround processing rig | 2019-10-30 | 5, 6 | Cable-traced | https://pedalboardarchive.com/artists/robert-fripp/king-crimson-surround-rig-2019/ |