Boss PSA-120S Power Adapter

peddle basics so powering your old boss pedals are your boss pedals underperforming maybe you're like me and you like to collect used pedals you know vintage sometimes they're no longer manufactured about this used oc2 octave pedal by boss and I didn't read the back I just went ahead and plugged in the 9-volt PSA adapter big mistake no harm was done I didn't fry the pedal thank goodness but it did supposedly underperform something we don't want our pedals to do it says here in the back a CA nine volts well I just plugged in my nine volt of PSA I didn't think there being a difference but what's there for a few years boss compact pedals used either the PSA or the ACA mine volt but in 1997 they dropped the ACA and they only used the one the PSA for all their compact pedals a standardized I've done a couple of Voodoo labs power brakes and according to their instructions when you have a peda