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Re: [Amps] 2K Classic X filament issue

Subject: Re: [Amps] 2K Classic X filament issue
From: Pete Smith N4ZR <>
Date: Tue, 3 Aug 2021 22:20:46 -0400
List-post: <>
My SB-220 experienced intermittent filament on one 3-500.  I think the problem was that the filament clips gradually lost temper from the conducted heat.  I was able to swap for other clips from the socket and restore functionality.

73, Pete N4ZR
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On 8/3/2021 9:31 PM, Mike McCarthy, W1NR wrote:
The 3-400's in my 2K will slowly work there way out of the sockets and
require pushing them back in to get the filament connections restored.
I've tried fixing the pins but I think socket replacement is in order.

Mike, W1NR

On 8/3/2021 8:35 PM, Donald Fox via Amps wrote:
Many thanks for the replies, both on and off list. I'll take a harder look at 
the socket pins and connections. This is my 3rd Classic series console with 
3-500's. The earlier 2 did not have such an issue.

I'll report back what I find.

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