Home Forums Help/Technical Questions General info on power supplies/adaptors

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  • #109329
    julian
    Moderator

    I’d add stuff about daisy chaining:

    Positive ground: Some pedals, such as the Nano Clone and Nano Muff OD have positive ground, instead of negative ground. They are normal polarity though. When daisy chained with pedals that are negative ground, they will not work properly. Pedals with positive ground must be on a separate power supply, or on a separate output of a power supply that has isolated outs.

    Digital and analog pedals usually don’t daisy-chain well together. Digital pedals should either have their own power supply, or their own output on a power supply that has isolated outs.

    #109389
    SanquiFlerb
    Member

    I’ll add that to the first post

    #107820
    risingorion
    Member

    Hello people

    I have
    I just bought a EHX Cathedral here in Europe (outlet 220).

    On the box it is written 230 v
    on the pedal there is no indication of voltage
    on the power adaptor supplied, it is 230v

    so the question is

    If I go to a place where the outlet/voltage is 110/120

    Can I just simply change the power adaptor (to a 110v to 9v power supply)?

    If it is not enough, what would be the best option:

    a)to get a new outlet
    b)to modify the pedal
    c) to buy a convertor?

    Thanks!!

    #107798
    Mr.Grim
    Member

    yes you can just get a new adapter for that area, EHX makes there pedals the same to work in any location, the only difference is going to be the power supply. you just need to buy the one that will convert your areas voltage (110v/220v…ect) to the pedals input (9v,12v,18v,24v)

    #107759
    SanquiFlerb
    Member

    Cathedral will take 9v, doesn’t matter if the outlet is 110, 220 or a 1 000 000 volts, you just need an adaptor that can manage to take that input, and delivers 9vdc, with a correct polarity, sufficient amperage, etc.

    #106723
    risingorion
    Member

    Thanks a lot!!!

    The pedal is great!

    #98177
    SanquiFlerb
    Member

    bump……..

    #109538

    I am completely new to the effects world, but I’m starting to put together my first pedal board. The pedals I plan on incorporating are:

    EHX Holy Grail (nano)
    ENX Deluxe Memory Man
    Ibanez TS9 Overdrive
    Boss TU2 Tuner
    EHX Big Muff
    Ernie Ball Volume
    DI Box (for an acoustic)

    What kind of power supply should I be looking for? Could I power all of those off of a PP2+ or not? Some other type of isolated power supply? I’m clueless…….thanks for any help.

    #110285
    SanquiFlerb
    Member

    sorry for late response. you can daysichain 9vdc +(o- pedals and use the 2 12v outs with a special cable to power up the dmm, so the pp2+ it’s good for you.

    #110977
    dakrushel
    Participant
    Quote:
    I’d add stuff about daisy chaining:

    Positive ground: Some pedals, such as the Nano Clone and Nano Muff OD have positive ground, instead of negative ground. They are normal polarity though. When daisy chained with pedals that are negative ground, they will not work properly. Pedals with positive ground must be on a separate power supply, or on a separate output of a power supply that has isolated outs.

    Digital and analog pedals usually don’t daisy-chain well together. Digital pedals should either have their own power supply, or their own output on a power supply that has isolated outs.

    Question: I’m tossing around the idea the idea of getting either a Muff OD or the Double Muff (leaning towards the latter). Do you know if the Double Muff has positive or negative ground? If it does have negative ground I’ll probably go with the DM as it’ll be one less power issue to worry about and it sounds a little more like an overdrive. And, while I’m at it, does anyone know if the DM even works well with a power supply? I’ve run into an anti-adapter trend with other EH stuff…

    #110980
    The EH Man
    Moderator
    Quote:
    Quote:
    I’d add stuff about daisy chaining:

    Positive ground: Some pedals, such as the Nano Clone and Nano Muff OD have positive ground, instead of negative ground. They are normal polarity though. When daisy chained with pedals that are negative ground, they will not work properly. Pedals with positive ground must be on a separate power supply, or on a separate output of a power supply that has isolated outs.

    Digital and analog pedals usually don’t daisy-chain well together. Digital pedals should either have their own power supply, or their own output on a power supply that has isolated outs.

    Question: I’m tossing around the idea the idea of getting either a Muff OD or the Double Muff (leaning towards the latter). Do you know if the Double Muff has positive or negative ground? If it does have negative ground I’ll probably go with the DM as it’ll be one less power issue to worry about and it sounds a little more like an overdrive. And, while I’m at it, does anyone know if the DM even works well with a power supply? I’ve run into an anti-adapter trend with other EH stuff…

    Double Muff is negative ground. Should work fine with a quality power supply.

    #110995
    The EH Man
    Moderator

    Post in this thread to find out the current draw of your pedal.

    https://www.ehx.com/forums/viewthread/2867/

    I’m compiling the info along with the proper AC adapters in this spreadsheet:

    https://spreadsheets.google.com/ccc?key=0Ak9R7oW8W8MidHhCOHdKSkFTdGowdklDd2sza2VXMFE&hl=en&authkey=CJXI1aEF

    #101697
    timiseler
    Member

    This is a power supply connector question – I’m trying to source a part number for a replacement power connector on a Bass Big Muff. The pedal works fine with a battery, but this connector was mashed on and broke. It is center/tip negative. Nothing special about it, I just want to make sure I order the correct part.

    Thanks.

    #115642

    Is the old electric mistress ground negative?

    #119805
    drusian
    Member

    Mine is this model here:

    electro-harmonix-poly-chorus-12349-MLB20058787868_032014-F.jpg

    The correct voltage and amperage would be this one?
    Stereo Polychorus US24DC-100 UK24DC-100 EU24DC-100 24vdc, 100mA

    Please click the right mouse button on the image and ask to display the image. In the forum, there appeared the image of the pedal that is right next to the box.

    Do not want to risk burning my pedal.
    Tanks

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