Research-based review — not personally tested

Electro-Harmonix Holy Grail Nano Reverb

Rating: 4.0 / 5

A simple, great-sounding reverb in a tiny box. Three modes, one knob — the no-fuss way to add space to your tone.

Electro-Harmonix Holy Grail Nano reverb pedal
Photo by Thomann on Thomann
Where to buy — around $110

As an Amazon Associate and partner of the retailers above, Guitar Gear earns from qualifying purchases — at no extra cost to you. Prices and availability checked recently but vary; the linked retailer is the source of truth.

Pros

  • Great-sounding spring and hall
  • Tiny footprint
  • Dead simple, one knob
  • Affordable

Cons

  • Only three modes
  • No tone control
  • Flerb mode is niche

Reverb, simplified

The Holy Grail Nano strips reverb back to the essentials: spring, hall and a wild "flerb" (flanged reverb), with a single Amount knob. It sounds genuinely good — the spring in particular is a favourite — and the tiny footprint makes it easy to squeeze onto any board.

Where to buy: Check the current price of the Electro-Harmonix Holy Grail Nano Reverb on Amazon →

If you want quality reverb without menus, modes or fuss, this is one of the best simple options going, and the price is friendly.