Effectrode Mercury Fuzz

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Effectrode Mercury Tube Fuzz Pedal.

The Mercury fuzz pushes vacuum tube technology to its absolute limits for some devastatingly thick and rich fuzz sounds that are not attainable with traditional transistor fuzzes.

This beautiful little pedal is built on a vintage, hand selected, space-grade pencil tube and N.O.S. germanium point-contact crystal diodes.

This combination of hot biased and cold-biased tube gain stages with crystal diode clipping circuitry blends thermionic (asymmetrical) and solid-state (symmetrical) distortions to generate beautiful fuzzed guitar tones.

At full throttle this little pedal can generate outrageous ‘blocking-distortion’ which sounds like a tube amp being pushed beyond it’s limits.

Rolling back the ‘Fuzz’ control creates an immense, bold fuzz tone with endless amounts of smooth liquid sustain that stretches notes into infinity.

At lower fuzz settings the Mercury cleans up to produce natural sounding (real!) tube dirt and overdrive with unprecedented clarity and string-to-string definition. It’s an incredibly simple, yet versatile pedal!

Please note: The Mercury Fuzz is a limited edition pedal. Due to the limited
availability of high quality N.O.S. tubes, Effectrode cannot guarantee continued
production of this pedal for any amount of time.

Effectrode Mercury Tube Fuzz Features:

• 100% pure analog vacuum tube audio path operating at amp plate voltages.

• Flexibility: Stacks of fuzz sounds from devastating over-the-top tube amp ‘blocking distortion’, to classic 70s Page and Clapton fuzz

• Cleans-up very nicely when the guitar volume knob is rolled back to produce warm, tubey drive tones.

• ‘HEAT’ Switch: Allows the second tube stage to be operated at reduced plate voltage (starvation) to generate a wide range of ‘tubey’ fuzz tones.

• Crystal Diodes: A unique cascaded arrangement of vintage germanium crystal diodes gives the Mercury more dynamic range and a rich, complex tone.

• True Bypass: With Effectrode’s unique ‘anti-pop’ footswitching circuitry.

• Fitted with N.O.S Sylvania tube: Each Mercury fuzz is fitted with a N.O.S. Sylvania hand-selected 6112 subminiature tube.

• Dakaware knobs: Authentic phenolic Dakaware, Chicago 1510 knobs custom manufactured for Effectrode in the USA using the original 1940s moulds.

• Includes 12V Wall-wart Power Supply. Accepts 100V to 240VAC mains input and comes with different mains outlet adaptor plugs.



Type Fuzz
Condition New
Power 12V DC
Current Draw 350mA
Power supply included Yes
Manufacturer Warranty 5 years
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Frequently Asked Questions

  • Q : Is this item in stock? +

    A : On product pages, you can find an availability status.

    Products with the mention 'In stock' are in stock and ready to ship.

    Products with the mention 'Out of stock' are not currently in stock.

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  • Q : Where are you located? +

    A : We’re in Blainville, Quebec, Canada.

    Contact us to schedule an appointment if you’d like to meet.

  • Q : When will my order ship? +

    A : Orders placed before 3pm EST ship on the same business day.

    An update with tracking details will be sent shortly after purchase.

  • Q : How much does shipping cost? +

    A : Shipping to Canada and the USA is free on most orders.

    Shipping to the rest of the world is free on orders over 399$US.

    Visit the Shipping page for more infos.

  • Q : What shipping method do you use? +

    A : We ship with UPS.

  • Q : What payment methods do you accept? +

    A : We accept credit cards and Paypal.

  • Q : Do you charge sales taxes to Canadians? +

    A : Canadian residents are asked to pay sales taxes:

    Alberta: 5%.

    British Columbia: 5%.

    Manitoba: 5%.

    New Brunswick: 15%.

    Newfoundland and Labrador: 15%.

    Northwest Territories: 5%.

    Nova Scotia: 15%.

    Nunavut: 5%.

    Ontario: 13%.

    Prince Edward Island: 15%.

    Quebec: 14.975%.

    Saskatchewan: 5%.

    Yukon: 5%.

  • Q : Are there import charges on orders shipped to Canada? +

    A : No. Canadian customers will not be charged import fees.

  • Q : Are there import charges on orders shipped to the USA? +

    A : No. USA residents will not be charged import fees.

  • Q : Are there import charges on International shipments? +

    A: Shipping prices do not include VAT or other import taxes.

    Customers outside of Canada and the USA are responsible for duties and taxes.

    Orders that come back to the shop as refused by the customer will be refunded minus shipping.

    Please track your shipment to be aware of customs processing and delivery attempts.

  • Q : Can you declare a lower value on customs documents? +

    A : We understand that import fees are an annoying part of international purchases.

    However, we cannot offer to declare a lower value on customs forms.

    Customers outside of Canada and the USA are responsible for any fees that may be charged by their government.