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Electro-Harmonix Bad Stone Nano

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$57.00 to $88.90 Price Tier: Standard

4.5 (80)

17 Reviews

Find out who is using Electro-Harmonix Bad Stone Nano

9 community setups

30 wishlisted

185 saved

Page last updated Jul 01, 2026

Pricing and availability

We compare 600+ stores and found this item at 9 stores. Prices updated July 1, 2026.

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Reviews

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4.5 (27)

$88.90

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5.0 (3)

$88.90

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4.4 (89)

$88.90

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5.0 (58)

$57.62 73 available New

$34.55 17 available Used

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4.0 (5)

$88.90

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$88.90

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$88.90

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4.4 (123)

$57.00

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£69.00

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Average Price: $76

Standard/Professional

$75

$201+

Price Tier

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

Budget

Standard

High-end

Price History

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Description

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Unveiling the resurrected legend, the Electro-Harmonix Bad Stone Nano. A reincarnation of the eminent 1970s Bad Stone Phaser Shifter, this piece of art is a faithful reflection of its vintage predecessor. It's a marriage of tradition and modernity, mirroring the original circuit design and three-knob control layout, with contemporary enhancements to cater to the modern musician.

The Bad Stone Nano emits an astounding six stages of phase shifting, enveloping your sound in a deep, lush phase tone. It even comes equipped with a manual mode that lets you freeze the phase to your liking, giving you the freedom to dial in your perfect filtered tone.

Its rate knob controls the phase-shifting speed, taking you on a sonic journey from a slow, ambient swoosh to a rapid, oscillating warble. With the feedback control, you can customize the depth of the phase effect to your taste. The Auto/Manual switch is another defining feature of this pedal, allowing you to freeze the phase shift, making it a versatile addition to your gear.

With a true bypass for maximum signal path integrity, an LED indicator for effect status and a standard EHX9.6DC power supply AC jack, the Electro-Harmonix Bad Stone Nano combines vintage charm with modern functionality, making it a must-have for today's guitarist.

Key Features:

Six stages of phase shifting for a rich, immersive sound
Manual phase mode for optimal control over the filtered tone
Auto/Manual switch that lets you freeze the phase
True bypass for maximum signal integrity
LED indicator for effect status
Powered by a 9V battery or an optional power supply
Robust die-cast housing for enhanced durability

Owner's manual

Electro-Harmonix Bad Stone Nano User Manual

Product specs

Available since	May 2015
Chorus	No
Flanger	No
Phaser	Yes

FAQs

What type of power supply does the Electro-Harmonix Bad Stone Nano require?: The Electro-Harmonix Bad Stone Nano requires a standard 9V DC power supply with a current draw of 18mA.
Is the Electro-Harmonix Bad Stone Nano true bypass?: Yes, the Electro-Harmonix Bad Stone Nano features true bypass switching to preserve your guitar tone when the pedal is not engaged.
How many stages does the Electro-Harmonix Bad Stone Nano phaser have?: The Electro-Harmonix Bad Stone Nano is a six-stage phaser, offering a rich and complex modulation effect.
Can the Electro-Harmonix Bad Stone Nano be used with a bass guitar?: Yes, the Electro-Harmonix Bad Stone Nano can be used with a bass guitar, providing deep and swirling phase effects suitable for bass frequencies.
What are the key features of the Electro-Harmonix Bad Stone Nano?: The Electro-Harmonix Bad Stone Nano features a six-stage phaser with manual and automatic phase shifting modes, true bypass, and a compact design ideal for pedalboards.

Videos

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EHX

Electro-Harmonix Bad Stone Phase Shifter Pedal

EHX

Electro Harmonix Bad Stone Phase Shifter | Reverb Demo Video

Reverb

Small Stone vs. Bad Stone - Electro Harmonix Phaser Shootout

Made by Miike

Review Demo - Electro-Harmonix Bad Stone Phaser

Premier Guitar

Reviews

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PROS

Feedback knob allows for a wide range from mild to wild sounds
Distinctive on bass with more syrup, psych, and stank
Offers separate control of rate and feedback for versatility
6-stage phasing provides texture and nuance
Manual shift feature for extra sound sculpting
No significant volume drop when engaged
Compatible with a variety of effects for creative sounds
Provides a vintage Zappa vibe at certain settings
Solid build, can endure a lot of abuse
Offers more versatility and effects at a better price point than competitors

CONS

Does not perform well in the effects loop for some amps
Switch can be clunky/noisy
Some settings cause distortion, especially in manual mode
Quality control issues with footswitch buzz and noisy jacks
Generates a loud pop sound when engaged
Difficult to use with instruments other than guitars or bass
Manual shift feature not useful for all players

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Electro-Harmonix Bad Stone Nano.

Features and functionality

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The Bad Stone Nano offers a thick phasing sound with a feedback knob that allows for subtle to intense phasing control, essential for a versatile phase sound.
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The manual phase feature is highlighted for creating unique, syrupy sounds reminiscent of old-time radio, adding a creative edge over other phasers like the Small Stone.
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The Bad Stone Nano's parked phase mode provides unique feedback and lush phasing, adding to its versatility in small footprint phasers.
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User experience

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Users have noted a popping sound when first activating the pedal after powering up, an issue described as a minor oversight by the manufacturer.
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Users appreciate the pedal for its ability to craft interesting riffs by toggling the manual mode, allowing frequency cuts to interact musically.
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Mods and upgrades

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There's interest in modding the pedal to include an expression pedal for manual shift control, though enclosure size might complicate this modification.
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Comparisons

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Unlike the Phase 90, the Bad Stone Nano is praised for not being a tone sucker, offering a richer, luscious phasing experience.
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The Bad Stone Nano is a 6-stage phaser, offering a more complex and resonant sound compared to the 4-stage Small Stone, which is more conventional.
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Unlike the Small Stone, some owners report the Bad Stone Nano does not suffer from volume drops, maintaining signal integrity in bypass mode.
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Use cases and applications

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When placed after distortion pedals, the Bad Stone Nano provides a slight volume boost, preventing the phasing effect from getting lost in the mix.
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The Bad Stone Nano excels in producing psychedelic music sounds, notably for creating "crazy acid trip" effects.
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The thicker and more resonant sound of a 6-stage phaser like the Bad Stone Nano is favored by funk players for its classic rhythm guitar sound.
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Value and pricing

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One owner purchased the pedal during a sale for just over $50, highlighting its affordability compared to its sound quality and functionality.
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One owner acquired the pedal for under $80, including shipping and tax, indicating its accessibility for budget-conscious buyers.
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Build quality

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It's noted that while the decals on EHX pedals often scratch easily, the pedals themselves are more durable now compared to those from the 1970s.
Source

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4.5 out of 5

Based on 17 Reviews and 80 Ratings

5 star

4 star

3 star

2 star

1 star

jeremy_crockett

7007

7 months ago

Weird and Wild Phaser From EHX

Another fantastic Electro-Harmonix pedal that's built to last.

This Phase Shifter is great. It produces more variations in sound than I'll ever need or use. But it's there "just in case".

I picked mine up because EHX had a great price reduction ($58 at the time of this writing) and did not want to spend a ton of money on a pedal I might not like. The good news is that I love this thing, and you probably will too.

Roles:

Bassist

Genres:

Rock Blues Jazz

From Gear Setup

retarded_fish

903

about 1 year ago

Sounds great, terrible footswitch

Very good sounding pedal, a 6 stage phaser with great controls. Circuit itself is truly awesome but as everyone said, the footswitch quality is terrible. Mine broke within the first 2 months of occasional use (as phasers are most commonly used). I changed it for a 2 dollar switch from china and it has worked perfectly for years so I can only imagine how cheap are the ones they originally use.

Roles:

Singer Guitarist Bassist

Genres:

Electronic Rock Alternative rock

melody_maker

417

about 2 years ago

It's Not Just a Phase, Mom

Crank the rate and feedback and you’ve now got a motorcycle engine sound effect at your disposal.

Roles:

Singer Guitarist Bassist

Genres:

Alternative rock Indie rock Psychedelic rock

jellyfish834

342

about 5 years ago

Great effect, bad QC

I love the actual effect of this pedal, it’s nice and thick, but the QC on this pedal (along with most new EHX pedals) is simply unacceptable. The footswitch buzzes if I step on it, and the input/output jacks are noisy, and cut in and out.

Roles:

Singer Guitarist

Genres:

Rock

billy_cobb1

249

almost 7 years ago

... jus added to my board, along with a Phase 90

Just added the bad Stone for use with my trusty old Phase 90 Found out days later the Mu-Tron BiPhase is/was available as a re-issue ... now to grab one of those as well I guess.

.10-19-19 .. just returned it to GC this morning. Having a Phase 90 and just added a Mercury Flanger tothe Fx line, and Gc's 45 return policy I got to take it back for a refund rather than take a loss / have it sit around collecting dust.

Roles:

Singer Guitarist Bassist

Genres:

Rock Pop Blues

billy_cobb1

249

6 years ago over 6 years ago

... the Mercury Flanger comes stock with 3 preset Fx types and allows you to install 3 additional via their iOS / Android / Desktop from their site. So I added 4 stage, 6 stage phase shifting and another flanger style, so the unit now has 3 flangers, 2 phase shifters and a chorus on tap

ody_om

437

over 5 years ago

The sound is great but when you turn it on, it generates a horrible pop sound

blondguru

2065

about 8 years ago

Versatile

Sold my Phase 90 and got this after seeing in in Reverb's "Potent Pairings: Tame Impala" video. The manual setting pairs nicely with a fuzz pedal. I keep the feedback around 4 O'Clock and love it.

Roles:

Guitarist Keyboardist Music Producer

Genres:

Rock Pop Alternative rock

From Gear Setup

sjpaezors13

144

about 8 years ago

Immense sound in a simple design

The bad stone phase shifter gives you multiple tones to experiment and never get tired. With two modes, very different, you can play with the settings and get a new sound everytime.