Used Mad Professor ROYAL BLUE OVERDRIVE Overdrive Pedal

Mad Professor Royal Blue Overdrive Pedal

“Boutique Amp Feel with Touch-Sensitive Dynamics”

A Transparent Overdrive for Expressive Playing

The Mad Professor Royal Blue Overdrive is a highly responsive pedal designed to replicate the feel of a boutique tube amp. Built in Finland with premium components, it delivers a wide range of tones—from subtle breakup to full-bodied distortion—while preserving the natural character of your guitar and amp.

Its four interactive controls allow you to tailor your sound with precision. Whether you're striking hard for crunchy drive or dialing back for clean boost, the Royal Blue responds to your touch and volume dynamics with impressive clarity and nuance.

Highlights

• Transparent overdrive with minimal filtering

• Touch-sensitive response based on picking dynamics

• Bass and Treble EQ for sculpting tone

• Works as a boost, EQ, or full distortion unit

• Hand-built in Finland with premium components

Specifications

• Type: Overdrive / Distortion / EQ

• Controls: Volume, Distortion, Treble, Bass

• Power: 9V battery or DC adapter (center negative)

• Current Draw: 3.5 mA at 9V DC

• Input Impedance: 140K

• Output Impedance: 25K

• Voltage Range: 7.5V – 12V

• Dimensions: Compact stompbox format

• Finish: Blue with white graphics

• Application: Guitar, studio, live performance

• Origin: Finland