Friedman Dirty Shirley OD

Overdrive Pedal Inspired by British Tube Amps

The Friedman Dirty Shirley Overdrive is an analog pedal that captures the character and responsiveness of Friedman’s 40-watt amplifier of the same name. Designed to function as either a primary overdrive or a powerful boost, it works equally well in front of a clean amp or with an already overdriven setup.

Dynamic Overdrive with Adjustable Low-End

Broad Tone Shaping with 4-Band EQ. With four dedicated tone controls, the Dirty Shirley Overdrive offers extensive flexibility to shape your sound. It adapts well to different guitars, amplifiers, and musical styles—ranging from classic rock to more modern tones.

Tight Switch for Focused Bass

The side-mounted Tight switch is used to tighten the low end, delivering a more controlled and punchy response. This is especially helpful when cutting through a mix or when taming a loose-sounding amp setup.

Fits Easily into Any Rig

The Dirty Shirley Overdrive performs equally well with a clean amp or when paired with other drive pedals. The gain control takes you from light grit to full rock distortion, and the circuit responds dynamically to your picking and your guitar’s volume knob for added expressiveness.

Specifications

• Effect type: Overdrive (British character)
• Circuit: Analog
• Signal path: Mono
• True bypass: Yes
• Power supply: 9–18V DC
• Controls: Gain, Bass, Middle, Treble, Presence, Volume
• Tight switch for low-end control