[HCARC] In need of an amp doctor

[John Canfield]

Wow, that's ugly!!

John wb5tht 

On January 31, 2020 8:58:32 PM CST, Keith Watson <keith at keithwatson.com> wrote:
>Do you think this had anything to do with it?
>
>
>
>On Fri, Jan 31, 2020 at 4:38 PM John Canfield <bucket at janeandjohn.org>
>wrote:
>
>> Look at the tube socket - in the February issue of QST there was a
>tip
>> about the socket losing tension on the tube pins due to heating.
>Something
>> easy to check.
>>
>> On January 31, 2020 12:07:33 PM CST, Keith Watson
><keith at keithwatson.com>
>> wrote:
>>>
>>> I have an Ameritron AL-80B that needs some attention. I acquired
>this amp
>>> from the family of a silent key, so I don't know a lot of its
>history. When
>>> I try to run it at around 400 to 500 watts, it will randomly hiss at
>me and
>>> the power drops to zero. The very next transmission, it usually
>works fine.
>>> Sometimes, instead of a hiss, I hear a click and power drops off. I
>am
>>> hoping someone out there has some experience working on these things
>and
>>> give it a look see for me.
>>>
>>> 73
>>> Keith...
>>> N9TX
>>> ------------------------------
>>> HCARC mailing list
>>> Home: http://mailman.qth.net/mailman/listinfo/hcarc
>>> Help: http://mailman.qth.net/mmfaq.htm
>>> Post: mailto:HCARC at mailman.qth.net
>>>
>>> This list hosted by: http://www.qsl.net
>>> Please help support this email list: http://www.qsl.net/donate.html
>>>
>>>
>> --
>> Sent from my Android device with K-9 Mail. Please excuse my brevity.
>>

-- 
Sent from my Android device with K-9 Mail. Please excuse my brevity.