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[Amps] Failed 8877

To: <amps@contesting.com>
Subject: [Amps] Failed 8877
From: 2@vc.net (Rich)
Date: Tue, 8 Oct 2002 20:20:32 -0700
>On Tuesday 08 October 2002 09:31, Michael J. Tubby B.Sc. \(Hons\) G8TIC 
>wrote:
>
>>
>> Steve,
>>
>> Aren't these the tubes that when you invert them you hear a 'plink' type
>> noise from inside as they disconnect?
>I just dug them out - I can't hear the tinkling noises that I remember from
>before and one of them is going open when inverted. I never tried to
>correlate the noise to heater continuity - at the time I heard the noise, I
>think I wasn't aware of the heater problem.
>
New ones sometimes make noise when shaken. 

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