[Elecraft] problem with K2, KAT100 and K2100PA combo

[Wayne Burdick]

We've used APP connectors for over 20 years on Elecraft products. When properly assembled and inserted they're very reliable, not to mention intuitively color-coded. There is nothing covert about them.

I may be slightly biased by my fear of starting over with something else, with the resulting incompatibilities, discontent, and non-deleted expletives.

W


> On Jul 12, 2022, at 6:26 PM, Jay Rutherford <k3bh at arrl.net> wrote:
> 
> Sorry to flog this poor horse once more. My XT90 AMASS connector failed due to not being completely inserted with the mate on a 52volt e-trike. It burned up one of the conductors inside the female plug.
> 
> I have never had a failure of an Anderson powerpole in many years of using them. It is easy to see when they are not completely connected.
> 
> Just to give a different perspective on the subject.
> 
> 73,
> Jay K3BH
> 
> On Tue, Jul 12, 2022, at 21:19, jerry wrote:
>> I had a PowerPole fail on me once.  Dirt or corrosion on the one flat 
>> contact.
>> Once was enough.  Back in the day, I had standardized on double banana 
>> plugs.  In 50 years of ham radio, I NEVER had one fail on me in any way. 
>>  Only trouble with the double bananas is they're not keyed for polarity. 
>>  I was always *very* careful about that.
>> 
>>   As a electronic bench tech back in the 70's, I had a lot of experience 
>> with test sets and connectors enduring thousands of cycles.  The very 
>> best - most reliable - connectors all had a round pin in a round hole.  
>> All hail Augat machine sockets!
>> 
>>   The AMASS connectors feature a round pin that plugs into a round hole. 
>>  It has just the right spring tension.  They are polarized - you can't 
>> plug them in backwards.  They are popular with the RC drone crowd, but 
>> are also making it into other equipment.
>> 
>>    I am using AMASS XT90 connectors on my kilowatt LDMOS linear project.
>> 
>>                      - Jerry, KF6VB
>> 
>> 
>> 
>> On 2022-07-12 18:06, Andrew Moore wrote:
>>>> I have not found them to be reliable
>>> 
>>> Just curious - can you elaborate and quantify? Bad solder joints?
>>> 
>>>> AMASS connectors are far superior
>>> 
>>> Superior for what?
>> *** Superior for always connecting.
>> 
>>> 
>>>> banana plugs are better
>>> 
>>> Better for what?
>> 
>> *** Same better.
>>> 
>>> Thanks & 73,
>>> -Andrew NV1B
>>> 
>>> 
>>> 
>>> 
>>> On Tue, Jul 12, 2022 at 7:46 PM jerry <jerry at tr2.com> wrote:
>>> 
>>>> On 2022-07-12 15:09, brianpepperdine brianpepperdine wrote:
>>>>> HI. Well this is weird
>>>>> It appears that the Anderson power power cable failed....
>>>> 
>>>> *** No surprise there.  I personally do NOT like Anderson PowerPoles; 
>>>> I
>>>> don't understand what people see in them.  One flat contact that
>>>> slip-connects to
>>>> another flat contact.  I have not found them to be reliable.
>>>> 
>>>>    AMASS connectors are far superior.  These have a round pin that 
>>>> goes
>>>> in a round hole.  Heck, even banana plugs are better.
>>>> 
>>>>              - Jerry, KF6VB
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