[SCCC] Quiet Power Supply Recommendation?

[M Schlesinger]

$12.00 issue!
Two of many possible solutions:

Mount the fans so they float on soft rubber
grommets so that their Chinese square ball bearings make less QRN,  or,

Purchase NEW fans at:
WES - Willys Electronics - (WES =We Supply Electronics), San Diego, 858 279 5800;
4925 Mercury St, 92111. Yes they have a free catalog and their prices are rock bottom as a pro-shop should be!
73,
Mark, N6NNI
Buy Ear Plugs ....  ..


Please confirm receipt of message.

From: SCCC <sccc-bounces at contesting.com> on behalf of Dennis Vernacchia <n6ki73 at gmail.com>
Sent: Thursday, July 26, 2018 6:07:00 PM
To: Bruce Horn
Cc: SCCC Reflector
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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