The Reussenzehn Daniel D. is a preamp booster pedal: a pedal that combines a preamp stage with a clean-style boost, built to put the sound of a tube preamp on a pedalboard. RockBoard's PedalPedia describes it as a "PREAMP BOOSTER" with a "Tube Preamp" sound, and the circuit is analog1. It sits in the same family of pedals as other preamp pedals and boost pedals, and it can be used to push an amp or another drive stage harder, or to act as the preamp itself.
What it does
As a preamp booster, the Daniel D. is designed to give a guitar signal the character of a tube preamp while also boosting it. That places it between a straight clean boost and a full overdrive or distortion circuit: the boost raises the level, and the preamp stage shapes the tone the way a tube preamp would. Players typically use a pedal like this to drive an amp into its own breakup, to add level and body to a quiet pickup, or to run into the front end of another pedal. For a wider view of where it fits, see preamp pedals, boost pedals, overdrive pedals and distortion pedals1.
Power
The Daniel D. runs on 12V DC with center negative polarity1. Before adding the pedal to a board, it is worth making sure the power supply can deliver a 12V output at the pedal's required polarity.
The Daniel D. requires 12V DC, center negative1.
Versions
The pedal has been through revisions, and the current version is the MK51. When buying used or comparing listings, it is worth knowing which version of the Daniel D. is being offered, since the MK5 is the one Reussenzehn documents on its product page1.
Videos
reussenzehnmusical
Sources (1)
- Daniel D. by Reussenzehn, RockBoard PedalPedia, 2026

