Electro Harmonix Deluxe Electric Mistress XO Guitar Effects Pedal

Product ID: 105571

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  • Classic analogue flanger pedal in a robust, compact die-cast casing
  • Two outputs: flanged out and dry out
  • True bypass switching enabled for use without additional noise
  • Simple to use control layout, ideal for live use
  • Switchable filter matrix effect
  • Colour, range and rate controls
  • Vibrant green and black chassis with a sturdy feel
  • Easy to connect via 1/4 inch input
  • Includes EHX 9.6-200mA power supply
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Delivery to UK mainland addresses* is FREE on orders over £75 and up to 30kg. (As a guide, a standard electric guitar weighs approx. 3-5kg).

Delivery on orders below £75 are charged at £4.45!

Delivery to Northern Ireland, the Scottish Highlands & Islands, Isle of Man, Isle of Wight and Channel Islands is weight dependant and will be indicated at the checkout

Delivery above 30kg to ANY location will vary according to weight and will be indicated at the checkout

LocationPriceStandard Delivery
UK mainland* FREE on orders over £75 £4.45 on orders under £75 1-3 working days
Northern Ireland, Scottish Highlands & Islands Isle of Man Isle of Wight Channel Islands £12.95 – any order value up to 30kg Over 30kg - please call 1-3 working days
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The Electro Harmonix Deluxe Electric Mistress XO Guitar Effects Pedal delivers the coveted classic tonal offerings of the original Electro Mistress - that has seen it take pride of place on many a guitarist's pedalboard for over four decades -, whilst infusing some excellent modern appointments that guarantee its legendary status for years to come. If you're looking to inject some sweet analogue flanger effect into your tone, then the Deluxe Electric Mistress XO is the perfect choice.


Control comes in the form of an intuitive layout consisting of three pots and a switch. The Rate knob controls the speed of flanger modulation, with the higher settings resembling vibrato effects. The Range knob allows you to set the lower limit of the flanger sweep, enabling you to create a very narrow or a very wide sweeping effect. The wider the effect, the more the flanger sweeps in to the bass frequency range. The Colour knob sets the intensity of the effect, taking you from a subtle shimmer to a classic swirling, whooshing flanger effect.

The Filter Matrix switch enables you to freeze the flanger effect and remove the modulation waveform. Changing the flanger's position and depth of range is done by attenuating the Range and Colour knobs. The Rate pot has no effect when the Filter Matrix feature is accessed. The addition of this control expands the tonal arsenal available to you. The footswitch toggles the Deluxe Electric Mistress between effect and True Bypass mode. When the effect is engaged, the LED is lit.


Connecting to the pedal is easy, simply plug into the 1/4" jack input. Routing your signal can be done via two outputs: Flanged Out and Dry Out. The Flanged Out 1/4" jack is the effect output, with all flanging and modulation effects. The Dry Out 1/4" jack is connected directly to the input jack, which enables you to send your input signal directly to your amp or a separate effects chain.

The Deluxe Electric Mistress XO accepts 9V batteries, and even comes supplied with an Electro-Harmonix 9.6DC-200 power supply. Wherever you are, you can rest assured that your pedal is easy to power. The smaller footprint of the pedal in comparison to older models allows it to slot into any pedalboard set-up with ease.

The Electro Harmonix Deluxe Electric Mistress XO Guitar Effects Pedal is everything your could want from an analogue flanger, and then some. It's small, solid, easy to use, and best of all, retains its awesome tone-shaping abilities - truly exceptional.

Manufacturer Electro Harmonix
ModelDeluxe Electric Mistress XO Guitar Effects Pedal
Dimensions (H x W x D) 89 x 102 x 121 mm
Effect Type Overdrive
Controls Colour, Range, Rate, Filter Matrix Switch
Connectivity Inputs: 1/4" Jack
Outputs: Dry Out, Flanged Out
Included Accessories EHX 9.6-200mA power supply

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