[Elecraft] KPA-1500 failing on 160...AGAIN!

[Michael Walker]

I'm going to partially disagree with Jim :)

I agree on good quality connectors, when you have them.

I can honestly say I have yet to have a none-Amphenol fail since I learned
to solder them in 1972.

I can also honestly say I have had a connector fail when I did not assembly
it correctly.   This would be both Amphenol and non-Amphenol.    PEBKAC

We all know how this discussion is going to go now

:)

Mike va3mw


On Fri, Sep 27, 2019 at 2:49 PM Jim Brown <jim at audiosystemsgroup.com> wrote:

> On 9/27/2019 11:01 AM, john at kk9a.com wrote:
> > If PL-259s are failing they are either poor quality connectors or there
> > are serious antenna issues causing excessive voltage.
>
> YES! Only first quality connectors and adapters should be used.
>
> I run legal limit to resonant antennas fed with 50 ohm and 75 ohm coax
> and hard line. Amphenol 83-1SP connectors are the standard throughout my
> station. I use type N only on hard line for which UHF connectors are not
> available. I've NEVER experienced any symptoms of arcing in connectors.
>
> I HAVE seen lots problems caused by poor quality connectors and
> adapters, and by poorly soldered coax connectors when putting stations
> together for Field Day and similar operations.
>
> My rule: In North America, if the connector doesn't say Amphenol 83-1SP
> or have a MIL spec number stamped on it, it is JUNK. The same holds true
> for adapters.
>
> 73, Jim K9YC
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