I have the same supply as Gary. Alinco classifies it as communications
supply and it lives up to that standard. The price is very reasonable for
the quality.
73:
Bob Martin
----- Original Message -----
From: "Gary Lee" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Wednesday, April 02, 2014 1:13 PM
Subject: Re: Power Supplies (Switching or Not)
> ok. the major advantages of the switching supply are size, weight, and
> eficiency. They are smaller, lighter, and more power efficient. Also,
> usually sound quieter.
>
> Disadvantage is that many if not most create rf noise. The better ones
> are
> pretty darn quiet.
> I have the alinco dm330v and it is pretty quiet in the ham bands.
> However, it does make a good deal of noise on am broadcast. This can be
> moved around so as not to interfere with the station to which you are
> listening via an adjustment on the supply.
>
> This has been a very good supply for me. 32 amps surge, and smaller than
> a
> shoe box. weighs maybe 5 pounds.
>
> However, I also have an mfj 35 amp surge supply. This is a conventional
> supply, weighs about 20 pounds, and is roughly comparable to the astron of
> the same rating. No rf noise, but is considerably louder.
>
> There are other switchers, the most highly rated I have heard of are the
> alinco, astron, and gamma research.
> The gamma research is interesting because it is well regarded, and
> extremely
> small; more like a laptop charger in size.
>
> Hope this helps.
>
> ----- Original Message -----
> From: "Dave Basden" <[log in to unmask]>
> To: <[log in to unmask]>
> Sent: Wednesday, April 02, 2014 12:48 PM
> Subject: Power Supplies (Switching or Not)
>
>
>>I may be in the market for a new power supply for my Kenwood
>> TS-590. I hate to pay the price of a Kenwood PS-590, so am looking
>> elsewhere. It should probably be about 25 amps 13VDC. Switching
>> power supplies seem to be about half the price of the old
>> standard. They're also a lot lighter in weight. There must be some
>> advantage to the old standard supplies or they wouldn't still be
>> available. What is the difference and why should I consider the more
>> expensive standard supply?
>>
>> 73,
>>
>> Dave, W7OQ
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