[SCCC] Quiet Power Supply Recommendation?

[Dennis Vernacchia]

Bruce

I meant SS-30(M)

No RFI or fan noise for the unit I used with a TS-590 at 100 W
Out....YMMV...

N6KI

On Thu, Jul 26, 2018, 11:10 AM Bruce Horn <bhorn at hornucopia.com> wrote:

> Hi Dennis,
>
> I wouldn't expect to have RF noise problems with any of the RS series
> since they're linearly regulated. I have a RS-35A that I may return to. The
> Astron SS-30 didn't score as well as some other switching supplies in RF
> noise evaluation.
>
> 73 de Bruce, WA7BNM   (bhorn at hornucopia.com)
>
> ------------------------------
> *From: *"Dennis Vernacchia" <n6ki73 at gmail.com>
> *To: *"Bruce Horn" <bhorn at hornucopia.com>
> *Cc: *"SCCC Reflector" <sccc at contesting.com>
> *Sent: *Thursday, July 26, 2018 11:07:00 AM
> *Subject: *Re: [SCCC] Quiet Power Supply Recommendation?
>
> I've had no noise issues using an Astron RS-30(M)....
>
> Was it reviewed in QST article ?
>
> 73, Dennis N6KI
>
>
>
> On Thu, Jul 26, 2018, 10:48 AM Bruce Horn <bhorn at hornucopia.com> wrote:
>
>> Hi,
>>
>> I've been using an MFJ-4245MV as the 12V power source for my transceivers
>> for a number of years. This model's RF noise performance was judged as one
>> of the best in ARRL Lab tests. However, its fans are annoyingly loud. I'm
>> considering going back to using my Astron linear-regulated supply.
>>
>> Does anyone have a recommendation for a switching power supply in the 30A
>> range that is both RF noise quiet and is audibly quiet? Thanks.
>>
>> 73 de Bruce, WA7BNM   (bhorn at hornucopia.com)
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>
>