Amps
[Top] [All Lists]

[AMPS] 8877 rectifier board considerations

To: <amps@contesting.com>
Subject: [AMPS] 8877 rectifier board considerations
From: N7CXI@SiliconPixels.com (Jim Barber)
Date: Tue, 20 Nov 2001 04:07:19 -0800
I said:

>>Speaking of glitches..
>>None of my 8877's have been hot for some time now. (6 months to
>>2-3 years, depending on the tube) I seem to remember reading here
>>that someone recommended 4-5 hours on the filaments before
>>applying B+ .  Does that sound right?

And Rich answered:

>There is no such statement on the tech spec sheets.  If a seal is 
>leaky, the tube is history.  

Ah.  Then the tales of heating the tubes for a period after 
extended storage are just that.  I have no reason to believe
any seal is leaky, but I had heard that the potential for a 
startup glitch could be reduced that way.

Thanks,
Jim, N7CXI



--
FAQ on WWW:               http://www.contesting.com/FAQ/amps
Submissions:              amps@contesting.com
Administrative requests:  amps-REQUEST@contesting.com
Problems:                 owner-amps@contesting.com


<Prev in Thread] Current Thread [Next in Thread>