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The trick with regulation is that the voltage stays constant from no load all the way up to the max capacity of the regulator (in the case of the PSA, 200mA). In those pedals that still used the same circuit board design, the resistor and diode were simply replaced with jumpers (you can still find them in a brand new SD-1, for instance). You’ll know instantly if it needs 12 volts or not, or for that matter if an ACA pedal has already been modified – if the LED lights up equally bright as with the battery powering it, the pedal will work with 9 volts. But you can also modify your pedal the same way Boss did, to make it compatible with a regulated 9vDC (PSA) supply – that’s what I do, and here’s how you can do it too. If you have questions about operating your BOSS product, please check our Knowledge Base for answers to the most common questions.
We advise you to update to a currently supported browser (such as Chrome, Edge, or Firefox) to improve your security, speed, and overall experience. All of our products are new unless stated and come with a 30-day money-back guarantee and a 3-year warranty as standard. Whether you want a pocket-sized synth or a cutting-edge video mixer, if Roland makes it, then Sweetwater is 100% behind it. Subscribe to the BOSS Newsletter to get the latest articles, videos, and news about your favorite BOSS products. Industry norms are approximately 70%, so that 15% saving is reducing your energy bill and softening your environmental impact on the planet.Offering up 9v DC at up to 500mA to accommodate more than one pedal as the same time by using power supply link cables. Before being dispatched to you, the product will be carefully checked, cleaned and carefully packed in to its original box, including any additional accessories and instruction manuals.
In some cases, when redesigning an existing pedal (for instance when various circuits became obsolete and had to be replaced), Boss also made that pedal PSA-spec.Certain pedals like the DS-1 can go for absolutely ages without requiring a battery change whereas others like the DD-7 or the BF-3 seem to drink them dry in minutes! One minor complaint is that the cable is really really long which is useful when you're trying to reach a socket that's far away but for me that I use them with a power strip under my pedals it can get a bit cluttered under my pedalboard when I have the four of them together. For consistent effects pedal performance night after night, gig after gig, choose the Roland/BOSS PSA-120 AC adapter! I actually have 4 of them, gathered throughout the years, all still working flawlessly, and use all four plugged in a power strip under my Pedalboard Classic JR giving me a total of 2000mA and they power 8-9 pedals (mostly analog but also a couple of digital ones) without any problems. Up for sale is a used Boss PSA-120 power adapter for powering Boss (and similar style, such as Ibanez) pedals.
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Capable of powering any BOSS effect pedal, the Roland/BOSS PSA-120 can also power equipment with digital circuitry.
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