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Power supplies (switching, where to buy)
If you need SMPS or wallwarts, I recommend these guys:
https://www.power-supplies-australia.com.au
Good quality Mean Well supplies, not the audibly whiny spitty crap you sometimes get included with low-power gear.
Not "audiophile grade" but good.
Comments
What , not AUDIOPHOOL approved [-X :-q X_X
Approved by me [-X
Well, in all honesty though, these do have about 50mV noise (per spec). A modern linear regulator could be as low as a few uV (claimed). It all depends on whayt the supply is connected to and whether there is additional regulation (which these days, there almost always is)