The Distortion 250 is a pedal based on the MXR Distortion+ / DOD Overdrive 250 Preamp. It is known for its transparent overdrive sound and has been widely cloned and modified. The pedal has two main controls: Output and Distortion. The Output control adjusts the overall output volume, with unity volume reached at around 3 o’clock on the dial. Some modifications involve increasing the potentiometer from A10k to A100k for more volume control. The Distortion control adjusts the amount of clipping in the circuit. As you turn it up, the bass frequencies will roll off, making the highs more pronounced.

Summary created by AI from the original source.