I have an mfj swithing supply, it seems to work o.k. but I don't use it 
much as it has a fan that runs all the time.  It is noisy and runs 24 
hours a day which I don't like.  Do any of the ones you guys are talking 
about have temperature control on the fans?
73
Butch
WA0VJR
Node 3148
Wallace, ks.


On Sun, 3 Jun 2012, colin 
McDonald wrote:

> I suspect they are as reliable as anything.
> I've used the newer alinco supplies that are similar to the jet streams and
> never had a single problem with them...no noise or anything.
> They've got a good sized heat sink on them so they don't heat up much even
> at full load.
> Switching supplies are as reliable as the liniar supplies these days.
> It's old verses new I guess...lots of people have successfuly used switching
> supplies for many years without difficulty...others have had problems so
> they believe the liniar supplies are the only way to go...but they fail as
> well.
>
> 73
> Colin, V A6BKX
> ----- Original Message -----
> From: "Tom Behler" <[log in to unmask]>
> To: <[log in to unmask]>
> Sent: Saturday, June 02, 2012 3:09 PM
> Subject: Re: Could it be time to replace My old trusty Astron RS35 Power
> Supply?
>
>
>>    Colin:
>>
>> Would you have any thoughts on the reliability of one of these, or a
>> similar
>> Jet Stream, in comparison to the standard old linear Astron supply?
>>
>> The Jet Stream is obviously cheaper, but I don't know if I'd ultimately
>> regret that decision someday, if I didn't go with the Astron.
>>
>> 73 from Tom Behler: KB8TYJ
>>
>> ----- Original Message -----
>> From: "colin McDonald" <[log in to unmask]>
>> To: <[log in to unmask]>
>> Sent: Saturday, June 02, 2012 3:43 PM
>> Subject: Re: Could it be time to replace My old trusty Astron RS35 Power
>> Supply?
>>
>>
>>> that sounds an awful lot like the alinco 30 amp PS's.
>>> but those are a bit pricier I think.
>>> I suspect jet stream is owned by alinco or perhaps the reverse, or they
>>> have
>>> their stuff made by the same manufacturer.
>>> the little alinco power supplies, as well as the jet stream you described
>>> are terribly useful in the shack with that cigarette lighter plug and the
>>> binding terminals...as well as the extra switch on the front to turn
>>> those
>>> on and off...not to mention, the alinco has variable voltage and a knob
>>> supposed to work to get rid of any RF noise that the supply causes...
>>> There are  a couple used at our ham club station and they work great.
>>>
>>> 73
>>> Colin, V A6BKX
>>>
>
>