Ok, i dragged up an old thread to save starting a new one. (do i get points for that, mods? )
So i recently bought a Rocktron DC On Tap Universal stomp box power supply, for daisy chaining my fx. It's sweet, as it comes with different connection leads, including a 9V battery lead.
Anyway, when experimenting, i found some fx made my amp hum, when included: in particular, a Boss DD5 and my Sovtek Big Muff (with the 9V connector lead). The other fx seem to be happy (tremolo, micro amp, tuner etc....). I generally, go Bass [i]- muff - (other fx/tuner) - micro amp -[/i] amp.
Is the hum effect specific do you think, or is the power supply itself? (i imagine some might be more efficient than others).
Any ideas appreciated. Ta.