Hello, a component in my stereo system uses this switching adapter, gpsu15a-3, the 12V version:
https://www.google.com/url?sa=t&rct...ec.pdf&usg=AFQjCNFz7fP1gVlFSRHVHGuHbXG2zrrK8g

Is it possible to change to a non-switching adapter?

Thanks!

 

Is it possible to change to a non-switching adapter?

Probably.
But why do you want to?

 

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

 

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

But is it causing noise in your stereo system?

 

But is it causing noise in your stereo system?

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.

 

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.

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).

 

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).

Thanks. I haven't been able to find any adapters that are non-switching. Do they still make them?

 

Thanks. I haven't been able to find any adapters that are non-switching. Do they still make them?

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?

 

Are you up to doing that?

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.

 

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.

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,

 

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,

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!

 

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!

Is there any power information printed on the backside of the equalizer or the power adapter?