The Jazz Guitar Chord Dictionary
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  1. #1

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    Against my better judgement, I'm putting together a small pedal board (3-4 pedals max) with a Quilter SBUS amp head. The SBUS apparently can be powered by a 9V supply (with reduced output) instead of the 24V power cord. My question is what others do in this situation? Do you use one power supply for your pedals and power the SBUS separately or just go with one power supply (and which one?). And do you have any preferences for a small pedal board? Thanks.

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  3. #2

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    Quote Originally Posted by ewall
    Against my better judgement, I'm putting together a small pedal board (3-4 pedals max) with a Quilter SBUS amp head. The SBUS apparently can be powered by a 9V supply (with reduced output) instead of the 24V power cord. My question is what others do in this situation? Do you use one power supply for your pedals and power the SBUS separately or just go with one power supply (and which one?). And do you have any preferences for a small pedal board? Thanks.
    Probably not what you have in mind but this popped up yesterday on my d'addario dashboardPedal board power question-da_pw-xpndppbk-01_main_transparent_web-png

    XPND Pedalboard Battery Kit | D'Addario

    S

  4. #3

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    I have powered my SBUS with a 9V pedal power supply. Roughly speaking, it feels about as loud as a Champ. If that’s all the volume you need (or if you’re using the line out), then you’re good to go. But if you need the full power that the amp has to offer, you’ll need to use the Quilter 24V power supply.

    i mounted it under the board and used a sort of Y cable, so that the whole thing runs off of one IEC cord.

  5. #4

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    Thanks. Is this what you used (one connection to pedals, another to the SBUS power with a single line out?). Amazon.com
    Last edited by ewall; 01-15-2025 at 04:40 PM. Reason: added info

  6. #5

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    I've used a few different methods. I have a Beaudens power station that provides 12VDC, USB and 120VAC, and it works with the SBUS and the pedals I've used it with. I generally use a 9V lithium rechargeable battery, inside a box with an appropriate power plug. https://www.ebay.com/itm/39238861307...BX0EYHM6ZN67HF
    You'll have to change the polarity either by rewiring it or using an adapter, because they only come as center-positive, not the center-negative polarity for pedals.
    I've also used AC adapters to provide 9VDC, but none of the ones I have are acceptable, because of noise. There are supposedly quiet adapters, but I'm not willing to spend the money to pay for anything else, because what I already have works well enough for me. I greatly prefer powering the SBUS with the provided 24VDC power supply, because I think it gives a better sound than either a 9V or 12V supply. The sound just isn't as clean with less power, even at approximately the same volume.

  7. #6

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    I use a Cioks power supply under my Temple Audio board.

    As others are indicating, unless you like/prefer the SBUS @ 9/12V, I'd recommend just using their 24V power.

    [Never tried one, but the Holeyboards look cool, too!]

  8. #7

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    Someone might make a DC power supply that has a 24 V output on one of its ports. I have used a 1Spot for a long time but it generated noise in my pedals, (apparently because it's a switching power supply) but the Cioks that I replaced it with is completely silent, even with the pedal sitting right on top of it. I have the SOL, but they have many options. MXR also does.

  9. #8

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    Quote Originally Posted by ewall
    Against my better judgement, I'm putting together a small pedal board (3-4 pedals max) with a Quilter SBUS amp head. The SBUS apparently can be powered by a 9V supply (with reduced output) instead of the 24V power cord. My question is what others do in this situation? Do you use one power supply for your pedals and power the SBUS separately or just go with one power supply (and which one?). And do you have any preferences for a small pedal board? Thanks.
    There are a few supplies around built to fit under small boards- CIOKS and truetone come to mind. I used to run a QSBUS on mine for a while and powered the amp off a 9v selectable to 12v. It effectively reduced effective wattage (headroom). 9v was like a 1w amp, 12v took it to 5W and 24v took it to the full potential 25w. I think from memory I could plug in the 24v while the 9v supply was in and it simply boosted volume and headroom. So I had it positioned in a way that gave me both options.

    I looked around for a voltage doubler but nothing I found was rated to the potential current draw. So I stuck with 12v most the time.

  10. #9

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    So I'm opting to keep the SBUS on it's 24V power supply, the other pedals to be powered by a Truetone power supply and perhaps connecting each to a Y cable, so that the whole thing runs off of one IEC cord. Does that make any sense?

  11. #10

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    Quote Originally Posted by ewall
    So I'm opting to keep the SBUS on it's 24V power supply, the other pedals to be powered by a Truetone power supply and perhaps connecting each to a Y cable, so that the whole thing runs off of one IEC cord. Does that make any sense?
    Should work fine. I only wish these amp suppliers gave us power supplies with 90 degree power connections. The straight ones are so thin and prone to being bent/damaged hanging off the side of a board that you compromise the location and orientation of the amp because of the silly supply plug. Ideally the amp would be located top left on a board, to make inputs and outputs simple. But to protect the power plug you end up moving the whole amp in from the edge by almost 2 inches when half an inch could have been enough.

  12. #11

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    Hey i use a Mooer power macro s8. Use about 6 a 7 pedals. There's a switch to change power. One connection can be set on 9, 12, 15 or 18 volts. It's quieter then the daisy chain i have used or the Harley Benton powerblock. Guess it's better insulated.
    There are solutions way more expensive. Maybe better but this works for me.