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Electro-Harmonix Electric Mistress Flanger/Filter Matrix

Electro-Harmonix Electric Mistress Flanger/Filter Matrix main image

Electro-Harmonix Electric Mistress Flanger/Filter Matrix

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$478.26 Price Tier: High-end

4.5 (15)

1 Critic Review

1 Review

This product is Vintage or Discontinued

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1 community setup

49 wishlisted

84 saved

Page last updated Jul 04, 2026

Pricing and availability

We compare 600+ stores and found this item at 1 store. Prices updated July 4, 2026.

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Price

5.0 (12)

$478.26 21 available Used

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Average Price: $478

High-end/Boutique

$60

$201+

Price Tier

In the Flanger Effects Pedals category, Electro-Harmonix Electric Mistress Flanger/Filter Matrix is priced in the High-end/Boutique range. This premium gear is built to very high standards and offers premium features.

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Standard

High-end

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Description

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The Electro-Harmonix Electric Mistress Flanger/Filter Matrix is a legendary figure in the realm of guitar effects pedals. First introduced in the mid-70s, this pedal is famed for its vintage tones and analog warmth. Designed to provide a spectrum of flanger effects, it features intuitive controls for Rate, Range, and Color. This pedal doesn't just add a flange effect to your sound; it molds and shapes it, taking you on an audio journey that's both retro and futuristic. Its distinctive, lush tones are a testament to its timeless design and exceptional craftsmanship.

Key Features:

Authentic analog flanger effects
Intuitive controls for Rate, Range, and Color
Retro design with a sturdy metal housing
Exceptional tonal versatility and depth
Famed for its vintage tones and analog warmth

Product specs

Brand	Electro-Harmonix
Model	Electric Mistress
Finish	Silver
Year	1970s
Categories	Flanger Pedals

FAQs

What is the main effect produced by the Electro-Harmonix Electric Mistress Flanger/Filter Matrix?: The Electro-Harmonix Electric Mistress Flanger/Filter Matrix produces a classic flanging effect, known for its sweeping, jet-like sound. It also includes a filter matrix mode for more static, comb-filtered tones.
Does the Electric Mistress Flanger/Filter Matrix work well with both electric guitar and bass?: Yes, the Electric Mistress is suitable for both electric guitar and bass, providing rich modulation effects that enhance the tonal palette of either instrument.
What power supply does the Electric Mistress Flanger/Filter Matrix require?: The Electro-Harmonix Electric Mistress requires a 9.6VDC-200mA power adapter, which is typically included with the pedal.
How does the Filter Matrix mode differ from the standard flanger effect on the Electric Mistress?: The Filter Matrix mode on the Electric Mistress freezes the modulation, allowing you to manually adjust the flange position for more static and unique tonal effects, unlike the continuous sweep of the standard flanger mode.
Is the Electro-Harmonix Electric Mistress Flanger/Filter Matrix suitable for live performances?: Yes, the Electric Mistress is well-suited for live performances, offering versatile flanging and filter effects that can enhance your sound on stage. Its robust build and iconic tones make it a reliable choice for gigging musicians.

Videos

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RonMusic

Electro Harmonix Electric Mistress Vintage 1976 Ron Irizarry

RonMusic

1979 Electro Harmonix Electric Mistress - Vintage Pedal Demo

Simone Luca Ferrara

Geartorial S3:E42 Vintage EH Electric Mistress

MOBontv

Electric Guitar Pedalboard Tone Talk & Demo - Electric Mistress - electro-harmonix Flanger pedal

Bob Gjika (Luthier & Amp Builder)

eh em v3

Felix Fuori

Reviews

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PROS

Secret weapon for many due to its unique tone
Offers lush, liquidy analog tone reminiscent of David Gilmour
Distinctive sound not fully replicated by clones
Works with a variety of power supplies (12V, 15V, 18V)
Modifiable for improved performance (e.g., no volume drop)

CONS

Prone to noise issues and strange reactions in the first 15 minutes of use
Volume drop without modification can be annoying for stage use
Considerably large, taking up significant pedalboard space
Total tone sucker in bypass mode
Some versions perceived as flimsy compared to deluxe or early reissues

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Electro-Harmonix Electric Mistress Flanger/Filter Matrix.

Features and functionality

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The "Filter Matrix" mode disables the LFO, allowing manual control of the filter for unique effects like simulating chimes.
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The pedal's dual outputs include a clean signal and a flanged signal, though both outputs carry the dry signal, offering limited stereo use.
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Comparisons

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The Mooer E-lady offers a similar sound at a lower cost and smaller size, though some prefer the authentic EHX despite higher prices.
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Use cases and applications

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Known for its use in songs by The Cure and Dinosaur Jr., the pedal excels at creating both chorus-like textures and intense solo effects.
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The pedal can emulate sounds from Rush, Pink Floyd, and The Police, highlighting its versatility across different genres.
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The pedal, similar to MXR UniVibe, offers a warm, clean flange without typical jet plane sounds, appealing to those not usually interested in flangers.
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Mods and upgrades

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Modifications like a true bypass switch, LED, and volume knob boost are popular to counteract a perceived volume drop.
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User experience

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Owners appreciate the pedal's ability to produce both chorus and flanger effects, with some claiming it outperforms dedicated chorus pedals.
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The Deluxe Electric Mistress is often acquired due to its association with notable musicians, such as Gibby Haynes, enhancing its appeal to collectors.
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Setup and maintenance

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Scratchy pots can be temporarily improved by repeatedly turning the knob to work out the scratchiness, similar to other pedals experiencing crackle.
Source

Critic Reviews

How the Electro-Harmonix Electric Mistress became the go-to flanger for David Gilmour and Andy Summers, and remained a pedalboard staple for nearly 50 years | Guitar World

guitarworld.com

The Electro-Harmonix Electric Mistress Flanger/Filter Matrix is a timeless staple in the world of effects pedals, renowned for its ability to produce both sweeping flanging and lush chorus effects. Lauded by legends like David Gilmour and Andy Summers, it offers a unique sound through its Range control and Filter Matrix switch, which allow for a wide range of modulation and metallic tones. However, its fixed delay time might limit versatility for some users. Despite this, its historic significance and distinctive sound make it a highly regarded choice for musicians seeking classic flanger effects.

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Full Review

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4.5 out of 5

Based on 1 Review and 15 Ratings

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jimmarchi1

41029

over 8 years ago

a classic

its not stereo but unlike the new stereo version it actually sounds damned cool. Nothing sounds like the electric mistress other than the deluxe electric mistress. Total tone sucker in bypass. Big surprise there, right?!

Roles:

Guitarist Bassist Keyboardist

Genres:

Electronic Orchestra Alternative rock