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i have a digitech modulator pedal that requires a wall plug power source. unfortunately the guy who gave it to me couldn't find the plug, and i know it will take him a while to get around to finding it. long story short, will this work? pedal: POWER 9V ~ 50/60Hz 500mA plug i bought but have not yet opened: INPUT: 120V AC 60Hz 15W OUTPUT: 9V DC, CURRENT: DC 850mA MAX thanks! |
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yes ? |
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well the only thing i have a problem with obviously is the 850mA MAX thing. i want to be sure it will work and not fry the circuit board before i open the thing and can't return it. is that "yes, duh"? |
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bring the pedal to a store and ask "do you have a power supply for this?" |
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it should work, just make sure that the pedal takes DC in and not AC, that could get pretty messy, 120V input? we have 240V plugs over here, I've been electrocuted by it too, fun. |
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that plug is fine. the mA figure is the current rating of the plug. That plug can provide 850mA maximum, the device needs 500mA, so you are ok with the current consumption. HOWEVER... It looks like the pedal needs AC input ~ 50/60Hz, i.e. mains frequency but transformed down to 9V. Your plug provides DC 9V, i.e. 0Hz. It may not be a problem, but then again it may be, depending upon the circuitry inside the plug. You shouldn't break anything by connecting it, so give it a try. If nothing happens, you will need a plug which doesn't rectify the mains input, i.e. gives an AC output at 9V and can provide at least 500mA of current. It looks like the pedal provides its own rectification of the AC, i.e. has internal AC to DC convertor. Hope that makes sense. I'm currently doing a degree in electronics and I also do it as a job and hobby, so feel free to ask and I will try to help. |
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what is a flux capacitor? |
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unfortunately my friend it is a made up thing :( |
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darned! |
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thanks for all the info everybody, especially about that flux capacitor (disappointed). so it turns out the plug didn't even fit into the pedal, so i gotsta return it anyway. i'll just order a real one online from digitech. <---foolish |
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Most companies will let people order power supplies for their gear. Its pretty common for a piece of gear to be bought used missing the power supply. |
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make damn sure the two are of the corrept polarity as well. im horrified nobody mentioned this earlier. |
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usage of digital stuff for guitars should be forbidden by the Pope |
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Any circuit of any worth will have a diode to protect the input from reverse polarity. If it doesn't then it is badly designed crap. |
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yes i'll second the polarity issue although you can get some pretty funny noises out of a drum machine once you fry it's insides....as one witless music store attendant did to mine. |
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what's a "yeast condenser"? |
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well that's not an electronics question..... :P |
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