Yellowcake Pedals MK Ultra

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MK Ultra is a mix of taking the classic octave up circuit and blending it into a fixed wah circuit via the 'MIND' knob... The frequency of the fixed wah is adjustable using the 'CONTROL' knob... Thats it.. plenty of versatility between two knobs. Meant to be paired with a fuzz of your choice.. but don't let that stop you from trying it out with your favorite dirt box or tube channel distortion..

• Mind - Blends the octave up signal into the fixed wah circuit.
• Control - Adjusts the frequency of the fixed wah.
• Power - 2.1mm negative center 9vdc adapter.