The Grey Clone – Vintage Wah Tones with Modern Versatility

Originally designed for Andy Martin (of Reverb & Tone Report fame), the Grey Clone is a faithful recreation of the legendary Vox 250mh wah—the same model played by Jimmy Page in early Led Zeppelin years.

What started as a custom build quickly gained demand, leading to its public release. The Grey Clone delivers classic vintage wah tones while offering plenty of tweaking options for the tone chasers.

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Key Features & Components

• Authentic Circuitry

  • NOS Tropical Fish Capacitors – Vintage tone authenticity.

  • Carbon Composition Resistors – Classic warmth & response.

  • BC109B Transistors – True-to-original performance.

  • Custom-Wound Red Sparkle 250mh Inductor by Joe Gagan.

• Enhanced Playability & Control

  • True Bypass Switching (No LED by default, but can be added).

  • Fuzz-Friendly Output Buffer – Works great with fuzz & overdrive pedals.

  • Neutrik Input & Output Jacks – Reliable & durable connections.

  • Power Options – Runs on 9V battery or standard Boss-style center-negative power supply.

• Fine-Tune Your Wah Sound

  • Growl Trimmer – Adds bass & gain or removes it for clarity.

  • Mid-Range Trimmer – Adjusts the amount of mids in the sweep.

  • Sweep Range Trimmer – Controls the width & depth of the sweep.

  • Boost Trimmer – Built-in boost circuit for extra volume (use with caution, as max boost can introduce noise or amp breakup).

  • 6-Position DIP Q Switch – Provides multiple wah tone variations.

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One-Year Warranty & Support

All Wilson Effects pedals, including the Grey Clone, are backed by a one-year warranty on parts and labor. See our FAQ page for warranty details.

Questions? Feel free to reach out through the contact form on our Home page.