The early Samlex switching power supplies were on the noisy side but they have
corrected that problem years ago. I personally use the Samlex SEC 1235M
switching supply with my K3 and certainly do not get any noise from it.
73 from Fern VE7GZ with K3 #412
----- Original Message -----
From: "Phil & Debbie Salas" <[EMAIL PROTECTED]>
To: <elecraft@mailman.qth.net>
Sent: Tuesday, July 08, 2008 7:56 AM
Subject: [Elecraft] Switching supplies and the K3
"Same here. I have two of these supplies, and have yet to hear a
peep of RF noise from them. 73 Stewart G3RXQ
"I am having very good performance from the SEC 1223 which is the
same supply I use with the K2/100. If it does generate any noise I have yet
to hear it. Bruce-W8FU"
I'm using a SEC-1235. It is also RF quiet and works well. I modified mine
by adding Powerpole connectors to the back, and changed the fan circuitry so
that the fan runs at slow speed all the time (still full speed if/when
necessary). Info is on my website in the "Equipment Modification" section
at www.ad5x.com.
Phil - AD5X
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