Electro-Harmonix Holy Grail Reverb Pedal main image

Photo of Electro-Harmonix Holy Grail Reverb Pedal and more gear in a pedalboard, pedal, and guitar

Photo of Electro-Harmonix Holy Grail Reverb Pedal and more gear in a pedalboard, guitar, and amplifier

Electro-Harmonix Holy Grail Reverb Pedal

$18.48 to $298.36 Price Tier: Standard

5.0 (1)

Find out who is using Holy Grail Reverb

3 community setups

1 wishlisted

10 saved

Page last updated Jul 04, 2026

Pricing and availability

We compare 600+ stores and found this item at 3 stores. Prices updated July 3, 2026.

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Price

5.0 (1)

$18.48

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4.1 (6)

Used

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4.0 (36)

$99.00 23 available Used

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Average Price: $139

Standard/Professional

$100

$276+

Price Tier

In the Reverb Effects Pedals category, Electro-Harmonix Holy Grail Reverb Pedal is priced in the Standard/Professional range. This is quality gear at a fair price point, suitable for beginners, hobbyists, and pros alike.

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Standard

High-end

Price History

Based on price data from 1 merchant for "Electro-Harmonix Holy Grail Reverb Pedal". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.

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Description

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Dive into a world of lush soundscapes with the Electro-Harmonix Holy Grail Reverb Pedal. A staple in the pedalboards of both aspiring and professional musicians, this pedal is revered for its ability to effortlessly transform a guitar's tone into something ethereal. Designed with simplicity in mind, it offers a single intuitive knob to control the depth and intensity of your reverb, ensuring you can focus solely on your music without any distractions.

Choose between three distinct reverb modes: "spring," which captures the classic surf-rock vibe; "hall," offering a grand, spacious sound reminiscent of a cathedral; and the unique "flerb," which adds a touch of modulation for those seeking a more experimental edge. Whether you're crafting ambient textures or adding a subtle shimmer, the Holy Grail delivers with precision and versatility.

Built with durability to withstand the rigors of performance, it remains a reliable companion on stage and in the studio. Its straightforward interface makes it a favorite for both beginners and seasoned guitarists, allowing for quick adjustments mid-performance. This pedal is not just a tool; it's an invitation to explore and expand your sonic palette.

Key Features:

Single knob control for easy adjustment of reverb intensity
Three reverb modes: Spring, Hall, and Flerb
Durable construction for live performance reliability
Simple interface ideal for all skill levels
Spacious, ethereal sound perfect for a variety of genres

Product specs

Type	Electro-Harmonix Power Supply
Input Voltage Range	120V AC, 60Hz
Output Voltage	9V DC
Output Amps	500mA
Polarity	Sleeve: Negative, Tip/Center: Positive
Compatibility	Electro-Harmonix Holy Grail (older styles)
Connectivity	1/8" TS plug

FAQs

What types of reverb does the Electro-Harmonix Holy Grail Reverb Pedal offer?: The Electro-Harmonix Holy Grail Reverb Pedal provides three reverb types: SPRING, HALL, and FLERB, allowing for a range of ambient effects from classic spring reverb to more experimental sounds.
Is the Electro-Harmonix Holy Grail Reverb Pedal digital or analog?: The Electro-Harmonix Holy Grail Reverb Pedal is a digital reverb pedal, designed to deliver high-quality reverb effects in a compact format.
What power supply does the Electro-Harmonix Holy Grail Reverb Pedal require?: The Electro-Harmonix Holy Grail Reverb Pedal requires a 9V DC power supply with a negative sleeve and positive tip polarity, commonly provided by Electro-Harmonix power adapters.
Can the Electro-Harmonix Holy Grail Reverb Pedal be used with a bass guitar?: Yes, the Electro-Harmonix Holy Grail Reverb Pedal can be used with a bass guitar, offering versatile reverb effects suitable for various musical styles.
How does the FLERB setting on the Electro-Harmonix Holy Grail Reverb Pedal differ from traditional reverb effects?: The FLERB setting combines flanging with reverb, creating a unique, modulated reverb effect that adds a dynamic and experimental twist to your sound.

Videos

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ProGuitarShopDemos

Electro Harmonix Holy Grail Reverb

ProGuitarShopDemos

Electro-Harmonix Holy Grail Reverb Pedal (Demo by Peter Stroud)

EHX

Electro-Harmonix Holy Grail Reverb Pedal (EHX Demo by TOM BURDA)

EHX

Electro-Harmonix Holy Grail Reverb | Reverb Demo Video

Reverb

Reviews

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Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Electro-Harmonix Holy Grail Reverb Pedal.

Features and functionality

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The Holy Grail Plus offers control over blend and decay time, enhancing its realism compared to the Nano version, which some find too washed out.
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The Hall setting is described as dark, moody, and lofi, excellent for ambient music and classical guitar, without muddying fast passages.
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Flerb can be used subtly at 9 o'clock for a unique flutter effect, reminiscent of tape delay flutter control.
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The Holy Grail Max includes a reverse reverb mode, favored for shoegaze music and considered unique to this version among the Holy Grail series.
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Comparisons

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The Holy Grail is compared to the Boss RV series for its presence on touring boards, though the Strymon Flint is a modern upgrade for some users.
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Users note the Spring reverb is different from a Princeton amp's spring reverb, with a recognizable and trashy sound used frequently in recordings.
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The Neo version includes a Plate reverb, appealing to those who dislike the Flerb setting.
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The Holy Grail Max is often compared to the Boss RV-6, with the latter preferred for more diverse reverb algorithms, though lacking a reverse setting.
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Some users find the TC Electronic Hall of Fame 2 superior in versatility and sound quality, offering stereo output and more reverb types.
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User experience

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The older big box version of the Holy Grail is noted for superior sound but requires specific power supplies to avoid noise issues.
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Some users report variability in reverb intensity with gain changes, noting that overdrive can make the reverb sound overwhelming.
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Use cases and applications

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Preferred by some for its simple setup in live contexts, though the "Flerb" setting is often deemed unnecessary.
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The pedal is recommended for fast music, as it provides ambience without interfering with the main signal.
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The pedal is praised for its simplicity, making it ideal for users who desire straightforward setup without complex adjustments.
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Build quality

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A few users have experienced high-pitched oscillations developing over time, affecting both active and bypassed states.
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Value and pricing

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It's possible to find the Holy Grail Max used for under $100, making it a budget-friendly choice for those seeking a reverse reverb feature.
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