Mad Professor Dual Blue Delay


Rich, fat, warm sound and well thought out functionality makes the Mad Professor Dual Blue Delay one of the most clever, intuitive, and easy to use delay pedals currently available. The short delay has a maximum delay time of 315ms and a fatter tone well suited for slapback and old-school tape echo tones. Long delay reaches 810ms and has a modern delay voicing, great for lead and ambient tones.


+ Fully set-up at our workshop

+ Free shipping

+ Guitar Ships within 2 days

+ Faire Trade return within 14 days

+ Video Call demonstration available.

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Mad Professor Dual Blue Delay
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Mad Professor Dual Blue Delay



  • Supply voltage range 8.5V to 12V
  • Current consumption: 80mA at 9VDC
  • Input impedance 500kΩ
  • Output impedance 1kΩ

Additional information


Mad Professor