On Tue, 4 Jun 2002, Vasile Surducan wrote:

>My friend,
>I've just made a synchronisation between your last two mails and I have
>a thought: never try to supply an analogic power amplifier from a
>swithching power supply, you'll be very dissapointed...

What about all those manufacturers who design and build home HiFi systems
based on switching PSUs, that include phono amplifiers and microphone and
tape amplifiers, along with AM radios and other delicate items. Not to
mention VCRs (whose audio tape signal level is even lower than a phono
amp's), and who haven't used iron transformers for the last ~12 years or
so.

Peter

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