[Elecraft] KPA-1500 failed!

[Mike Cox]

I'm avoiding it now! My KPA1500 died for the second time since it 
arrived last September.  I contacted service last Thursday and, per 
request,  sent them my configuration information. Nothing has been heard 
since.

Now my "old" KPA500 and KPA500 are back in line and working fine! That 
appears to be a good fix as they've never let me down.

Mike, AB9V

On 2/23/2019 18:32, Paul Baldock wrote:
> Eric -
>
> I know a number of KPA1500s have been returned to you with one of the 
> output transistors dead. Is there common source for the problem that 
> the rest of us can try and avoid?
>
> regards
>
> - Paul
>
> At 10:13 AM 2/16/2019, you wrote:
>> Hi Peter,
>>
>> I'm sorry to hear about this failure and deeply apologize for the 
>> problem.
>>
>> I'll follow up with another email to you to diagnose what actually 
>> happened.
>>
>> In any case we'll deal with it quickly and get your amp repaired asap.
>>
>> Eric
>> elecraft.com
>> _..._
>>
>>
>>
>> > On Feb 16, 2019, at 6:28 AM, <lists at w2irt.net> <lists at w2irt.net> 
>> wrote:
>> >
>> > I was operating in the ARRL-CW contest this morning and on 20m, 
>> with a 1.2:1
>> > SWR on the Yagi, all of a sudden I saw my power drop to about 
>> 450-500W with
>> > about 40W in. Worked a few stations but not as easily as when I turned
>> > everything on this morning. Switched over to phone and made a few 
>> contacts.
>> > Audio is fine barefoot with 100W out of the K3s-which suffered 
>> blown finals
>> > itself during CQWW SSB last fall, but with the amp in I got reports 
>> that my
>> > audio was badly distorted.
>> >
>> > Before I send it in, is there anything I should look at or any 
>> diagnostics I
>> > can easily perform? For the cost of this, I'd have thought 
>> protection would
>> > have kicked in to prevent anything untoward from happening. I'm in 
>> complete
>> > disbelief, to be honest.
>> >
>> > ---------------------------------------------
>> > 73 and Good DX
>> > Peter, W2IRT
>> >
>> >
>> >
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