Unfortunately the fan noise in the current MFJ-4125P is much
worse than the older units. The sheet metal has been changed
causing significant restriction in the air flow and the fan
is now operated from the full 13+ volt output presumably to
recover efficiency.
The changes make it noisier than any supply I've seen in a
very long time and not even suitable for tucking under the
operating table.
73,
... Joe, W4TV
On 8/17/2010 6:31 PM, Phil & Debbie Salas wrote:
> For portable use, I like the MFJ-4125. For my main station, I like the
> Samlex 1235.
>
> Phil - AD5X
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