Vertex Steel String Supreme Overdrive

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From Continuum Cleans to Texas Leads!

When it comes to Mayer-style compressed clean and lead tones, the Vertex Steel String Supreme is the only tone shaper you'll need in your arsenal!

The Steel String Supreme is based on serial #001 of a legendary six-figure tube amp.

Players like SRV, Eric Johnson, and John Mayer have all sung the praises of this rare 100W 6L6 blues machine.

Just like the amp it's named after, the Steel String Supreme is characterized by a fat, clean, compressed sound.

The Steel String Supreme is guaranteed to put a smile on your face: marinating your signal in tube-like harmonics as you ramp up the gain.

The Supreme's active EQ and Bright/Deep + Rock/Jazz switches add new tone-shaping capabilities to this latest addition to the Steel String family.

From subtle fattening and clean compression to full-on overdrive, the Vertex Steel String Supreme is the next best thing to owning a real-deal SSS!

Sweet, sweet Dumble tones!

At lower gain settings, the Steel String Supreme makes a highly versatile fat boost (with an active EQ section to dial-in that D-style midrange).

Above 1:00, the Steel String Supreme sweetens your signal with vine-ripened drive characteristics matured in the California sun.

Wide open, this pedal packs enough juicy gain to take you well into overdrive territory!

Vertex Steel String Supreme Features:

• Based on model #001 of an original run of legendary Dumble Steel String Singer.

• A true amp in a box: sounds great even direct into a cab simulator/IR loader!

• Inspiring touch sensitivity, warmth, and sparkle.

• Versatile Gain and Level controls make this a capable clean boost or full-on overdrive.

• Active EQ, Bright/Deep switch, and Rock/Jazz switch supply plenty of tone-shaping potential.

• True Bypass.

• Power: 9V DC.

• Current Draw: 100mA.



Type Overdrive
condition New
Power 9V DC
Current Draw 100mA
Power supply included No
Manufacturer Warranty Lifetime
Shipping & Return



Fast Delivery




  • Q : Is this item in stock? +

    A : On each product page, you’ll find an availability status.

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

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

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  • Q : Where are you located? +

    A : We’re in Quebec, Canada.

  • Q : Can we meet? +

    A : Yes! We’re in Blainville, Quebec.

    Contact us to schedule an appointment.

  • Q : What payment methods do you accept? +

    A : We accepts credit card, Paypal and Bitcoin payments.

  • Q : What shipping method do you use? +

    A : We ship with UPS.

  • 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 : Do you charge sales taxes to Canadians? +

    A : Yes. 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.