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[Amps] Alpha 86

To: <amps@contesting.com>
Subject: [Amps] Alpha 86
From: dj2001 at mn.rr.com (dj2001@mn.rr.com)
Date: Wed Mar 5 18:36:58 2003
I thankyou Alek for that information.  I don't think I'll pursue it 
anymore.  The amp I have is 15 plus years old with the original 
3-500Z tubes and it still puts out 800 watts PLUS, with no sign of 
arcing, at least not yet.  I have never heard of corona washers 
before belive it or not.  I still learn something everyday, and that 
is good.

Dale J. K9VUJ


>You don't want a dirty corona, do you?
>
>You gotta have a washer.
>
>It is a non conductive washer that performs the same task as the 
>ribs on your spark plugs our power line insulators.  I believe it 
>goes on the solder tag of the switch prior to soldering the wire to 
>it. It increases the distance a potential arc has to travel, thus 
>making it less likely to occur.
>
>73, Alek.
>VK6APK
>
>At 03:48 PM 5/03/2003 -0600, dj2001@mn.rr.com wrote:
>
>>What is a corona washer?  Do I need or want one on my AL80A bandswitch?
>>
>>Dale K9VUJ
>>
>>>Actually, I already have.  I've seen the results of the 
>>>corona-caused breakdown
>>>that you refer to there.  I repaired an SB-1000 with a burned 160-meter tune
>>>padder contact. This contact was connected to the hot side of the 
>>>PI-net, and
>>>arced to ground across the wafer.  The moving contact was undamaged, proving
>>>that it had not been hot-switched.  I put a corona washer on the replacement
>>>contact, and I had no further problems.
>>>
>>>73
>>>Vic K2VCO
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>>
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