[AMPS] Henry 2K2

[Rich Measures]

>
>Rich Measures wrote:
>>>The cathode doesn't go strongly negative at all - it stays around
>>>chassis potential, much as it would if the glitch resistor is in the
>>>positive lead.
>>
>>€  provided that the glitch-R is placed on the neg. side of the
>>anode-current mete shunt-R.  .
>>
>Agreed - that's the only location where it is equivalent to placing it
>in the B+ lead.
>
>
>>€ Is there a tube manufacturer who does not recommend placing the
>>glitch-R in the positive side of the anode supply?
>>
>Probably not. More to the point, is there a tube manufacturer who does
>not recommend placing the glitch-R in the negative side either?
>
€  Does the designer want to go with the additional expense of increasing 
the withstanding V ability of the neg. HV circuitry?  /
/  It is my opinion that something is amiss with the Henry 2K2, 2K4, 3KA 
design because of the apparently high incidence of fil.-grid shorts and 
peripheral damage following a big bang.  
-  later


Rich...

R. L. Measures, 805-386-3734, AG6K, www.vcnet.com/measures  


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