Change switching to non-switching adapter?

Discussion in 'Power Electronics' started by basslover, Jul 31, 2017.

  1. basslover

    Thread Starter New Member

    Jul 31, 2017
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  2. crutschow

    Expert

    Mar 14, 2008
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    Probably.
    But why do you want to? :confused:
     
  3. basslover

    Thread Starter New Member

    Jul 31, 2017
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    Thanks for your reply crutschow. I understand switching adapters produce a lot of line noise and I'm trying to minimize line noise.
     
  4. crutschow

    Expert

    Mar 14, 2008
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    But is it causing noise in your stereo system?
     
  5. basslover

    Thread Starter New Member

    Jul 31, 2017
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    When I shut the device off, which is an equalizer for the sub, the overall musical sound becomes noticeably more detailed and you can hear more into the music. So I'd like to see if the negative effect is avoided with a non-switching power supply.
     
  6. crutschow

    Expert

    Mar 14, 2008
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    Then you should be able to power it with a non-switching supply with the same voltage and minimum current rating (the current rating can be higher but not the voltage).
     
  7. basslover

    Thread Starter New Member

    Jul 31, 2017
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    Thanks. I haven't been able to find any adapters that are non-switching. Do they still make them?
     
  8. crutschow

    Expert

    Mar 14, 2008
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    Perhaps not.
    You may have to roll your own with a transformer, bridge rectifier, filter capacitor and voltage regulator.
    Are you up to doing that?
     
  9. basslover

    Thread Starter New Member

    Jul 31, 2017
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    No, I'm just a beginner learning what I need to know about power and circuits to optimize music systems. I was actually just told by the authorized repair center for the stereo component in question, that it wasn't designed to receive power from a non-switching adapter. I'm such a newbie, that I don't even know if that makes sense, because I assumed the current flowing into the component would be identical, whether the adapter was of a switching or of a non-switching kind.
     
  10. crutschow

    Expert

    Mar 14, 2008
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    It makes little sense to me either.
    I think the repair center was blowing smoke.
    As long as the amp gets the rated voltage and current it shouldn't care where it comes from,
     
  11. basslover

    Thread Starter New Member

    Jul 31, 2017
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    The component isn't an amp, it's an equalizer for the subwoofer, but I think your analysis would apply to an equalizer as well, correct?
    Thanks for your continuing help!
     
  12. MrChips

    Moderator

    Oct 2, 2009
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    Is there any power information printed on the backside of the equalizer or the power adapter?
     
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