The funny thing is that overloaded components sometimes last much longer
than theory says. Look at the old SB 220: that tiny receiving type switch in
the output circuitry! Very very soft as compared to commercial switches.
That very weak 80 meter coil! My ex amplifier ( the very first in Sweden
buit by me in 1968 -69? ) has never failed and is still in use up there
above the Arctic circle with its original 3-500Zs with graphite anodes.
Amazing. I always said, that one has to forget whats inside the SB 220 and
look at the performance instead. A very fb buy at a used price only a little
bit higher than a pair of new 3-500ZGs made in France ( same as the original
tubes - the only difference is that little glass plate that lifts up the
tube from the socket - less tendency for bad soldered pins to produce bad
contact ).
The Midsommer Night was great - come and see us next Midsummer in Sweden "
the land of the midnight sin " and them very fantastic roller coils, hi!
Prosit de Hans SM5KI
----------
>Från: "Steve Thompson" <rfamps@ic24.net>
>Till: <amps@contesting.com>
>Ämne: Re: [AMPS] " Kein Rauch ohne Feuer ...."
>Datum: lör 24 jun 2000 07.17
>
>
>
>-----Original Message-----
>From: N6BUU@aol.com <N6BUU@aol.com>
>To: 2@vc.net <2@vc.net>; philk5pc@tyler.net <philk5pc@tyler.net>;
>sm5ki@algonet.se <sm5ki@algonet.se>; n6er@yahoo.com <n6er@yahoo.com>;
>amps@contesting.com <amps@contesting.com>
To: <amps@contesting.com>
>Date: 23 June 2000 19:59
>Subject: Re: [AMPS] " Kein Rauch ohne Feuer ...."
>
>
>>
>>In a message dated 06/23/2000 11:22:32 AM Pacific Daylight Time, 2@vc.net
>>writes:
>>
>><<
>> As long as the hv ps filter capacitors make it through the one-year
>> warranty period, all is well.
>>
>> - Rich..., 805.386.3734, www.vcnet.com/measures.
>> end
>> >>
>>ok rich i guess i asked for that one! i just expect "parts" to last
>>somewhat longer, than the warrenty period.
>> HANK
>>
>Treated reasonably they do this, nearly all the time. I'm sure we would have
>heard about it here if any amp brand had a tendency to fry its PSU in less
>than a few years. In truth, the reliability of raw components these days is
>excellent.
>
>Is there any history that amps with 'insufficient' decoupling suffer early
>failure purely as a result of use on the lower bands? Is there any evidence
>that rf hurts electrolytic capacitors?
>
>Steve
>
>
>--
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>
>
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