NUX NDO-5 analog dual effects pedal overdrive ACE OF TONEVerdugo Series Ace of Tone is a dual overdrive pedal, containing both a Tubeman MKII and a Morning Star. Why? Because guitarists like to combine two overdrives to achieve their own tone. In the left corner we have: the Tubeman with FAT mode. The Tubeman offers much more clarity and gain than a classic Tubescreamer, and NUX has modified the circuit with a handy secondary function (FAT mode) that is engaged by holding down the footswitch. It increases