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[AMPS] SB-1000 mods?

To: <>
Subject: [AMPS] SB-1000 mods?
From: (2)
Date: Wed, 12 Sep 2001 07:12:06 -0700
>Hi All
> New to the list, so can someone explane. I have a Henry 2kd classic desktop 
>I have a problem when I put in a new set of 3-500z and it want to take
>off.(osilating for give typing and spelling skills.) So before I put in the
>suppressor retrofit-kit and the Glitch protection. BTW I put the older tubes
>back in for now. Should I do this retro fit kit and if so or not , Why?
//  You should not do it if you are a good buddy of Mr. Rauch or Mr. 
Ehrhorn, and/or if you have a free supply of new tubes.  

>Second ? is Henry doing the modifacation on newer amps?

//  Jim Day does mods on Henry Radio amplifiers.  One day when he was in 
Henry's plant he mentioned that they could make their amps more stable if 
they used a better VHF suppressor.  The reply:  'We can't change our 
suppressor design because we have always made them like this'.  

>and third ? the 8k has a set of buit in watt and swr meters built in . Can
>you do this on the 2kd classic. I hope that this is the correct place to ask
>these question.
>Steve N8IS
>2 wrote:
>> >
>> >> Wouldn't the 4CX5000 tend to have a larger filter capacitor, and thus
>> >> a bit more energy to dump, or is peak current the real concern? With
>> >
>> >The 4 by 5 will have higher voltage, but the tube will easily handle
>> >more impact than a small tube. Every system needs to be looked
>> >at in view of the total system.
>> >
>> >> Rich's example of the 10 ohm glitch R in the SB-220, and assuming some
>> >> stray R in caps and chokes, you are still talking about a peak current
>> >> pulse on the order of 180 amps!! Seems like an awful lot of current.
>> >> What can the average plate choke withstand??
>> >
>> >There is no average plate choke. That is the problem with rules of
>> >thumb.
>> >
>> >The most important thing is to not put a glitch resistor in the grid. It
>> >belongs in the HV lead.
>> >
>> //   Mr. Rauch:  Do you know of a case where a 3-500Z reportedly shorted
>> after a glitch resistor was added in series with the anode supply  And  a
>> frangible grid resistor was added?   If so, who?
>> tnx.
>> -  R. L. Measures, 805.386.3734, AG6K,
>> end

-  R. L. Measures, 805.386.3734, AG6K,  

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