[Elecraft] power supply

Fri Nov 1 08:35:01 2002

           Don,

            I think you are right you may have been lucky, or I was
unlucky, but in either case I have come to expect that out of the box
products need to work the first time. I listened to testimonials on this
list and others about the 4125 and I was attracted to it. It satisfied
all of my requirements. I gave MFJ another chance and they let me down.
I could have tried a replacement power supply, but my time on this
planet is limited, and with more than one fish in this sea I decided to
allow some other company impress me with their quality  Beyond that if
the quality of the MFJ product was called into question out of the box,
then what must the future bring? I don't want miss the warning sign now
and pay for it later. In any case I am happy with what I now have and
will express that to whoever listens. 

            Thanks for the information, and the noise generator kit. I
love that little box!! You do make a good kit.

            73, Bruce N1BFO

-----Original Message-----
From: Don Brown [mailto:[email protected]] 
Sent: Friday, November 01, 2002 8:16 AM
To: bruce; Elecraft
Subject: Re: [Elecraft] power supply

Hi

The 4125 you had may have had a problem. I have a 4225 on my bench that
I use to check out and align radios. This power supply has the same
circuit board as the 4125 it just has meters and a voltage adjust on the
front panel. I have run a K2/100 key down into a dummy load at 100 watts
for about 10 minutes and the power supply worked fine. The current draw
during this test was about 18 amps. There have been some posts about
defective units so maybe they have a quality control problem but the 3
MFJ supplies I have work fine. Maybe I'm just lucky. These supplies are
made in Taiwan and are very similar to computer supplies with additional
RF filtering.

Don Brown

KD5NDB

----- Original Message -----

From: bruce

Sent: Friday, November 01, 2002 6:29 AM

To: 'elecraft_list'

Subject: RE: [Elecraft] power supply

Jeff,

I purchased a 4125 from MFJ and was happy with it only for a
short time. There seemed to be no noise, but then again you have to
actually operate to have that concern. I have a K2 with a KPA100 that I
have built and Gary has checked. Calling CQ or throwing the call sign
for someone to notice was no problem, but when I could talk for over 10
seconds, the 4125 would fold back and shut off. If there had been power
I would have violated the FCC profanity laws. It was very frustrating. I
return the power supply the next day and have been refunded my money.
The Astron SS30M is an excellent power supply. It is quiet and loafs
along delivering everything I need for power.

73, Bruce N1BFO

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