Royal Blue Overdrive

The Mad Professor Royal Blue Overdrive is an extremely touch-sensitive overdrive pedal designed to offer a wide range of tones from light overdrive to distortion. It features four highly interactive controls: Volume, Drive, Treble, and Bass, providing a versatile range of tonal possibilities. The pedal is designed to be transparent, emphasizing the natural characteristics of the guitar and amplifier without adding coloration to the original tone.

Key Specifications:
- Controls: Volume, Drive, Treble, Bass
- Volume: Sets the overall output level of the pedal
- Drive: Controls the amount of distortion, offering dynamic response
- Treble: A boost/cut "shelving" type equalizer for high-end control
- Bass: A boost/cut shelving type equalizer for low-end control
- Settings: Midboost and Midcut options available
- Electrical Specifications:
- Current draw: 3.5mA at 9V DC
- Input impedance: 140K
- Output impedance: 25K
- Voltage range: 7.5-12V's
- Power Requirements: 6F22 9V battery or DC eliminator 2.1 mm plug center negative and positive sleeve

The Royal Blue Overdrive is designed to provide a transparent tone that can be tailored using the Treble and Bass controls. It can be used to create tube amp-like crunchy effects and offers a high level of expressiveness, allowing users to determine the amount of breakup by adjusting picking force and volume knob settings on the guitar.

The pedal's design enables it to be utilized for various use-cases, including as a boost to push the front end of a lightly driven amp, creating a slightly different feel and tone. Additionally, it can be used to achieve a whole world of versatile tones without significantly altering the original sound.