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[RFI] Low voltage lighting solid state "transformers"

To: <rfi@contesting.com>
Subject: [RFI] Low voltage lighting solid state "transformers"
From: "Steven Farmer" <wa5rpf@gmail.com>
Date: Sat, 16 Dec 2006 19:59:57 -0700
List-post: <mailto:rfi@contesting.com>
Can anyone suggest a brand or manufacturer of _quiet_ 120 to 12 volt 
switching power supplies for low voltage lighting?

Units in the condo building next to ours have exterior low-voltage accent 
lighting, and the power supplies blanket 160 through 40 with 10 db over s9 
qrn.   The noise is still a nuisance on 30, where it's s6 or so.   The new 
owners of one of the units,  part time residents, leave these lights on 
24/7.

They're amenable to replacing the supply, but with what?  Unfortunately, 
these supplies are quite small and the electrician put them in small 
receptical-sized boxes.  The replacements have to physically fit and be 
quiet.  The tight quarters might make it tough to put any ferrites in there 
too.

I'm not sure where to start and would appreciate any advice.

Thanks,

Steve WA5RPF
--

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