[AMPS] L4B

[km1h@juno.com]

On Fri, 16 Oct 1998 16:15:17 +0100 Peter Chadwick
<Peter_Chadwick@mitel.com> writes:
>
>Carl says:
>
>>But Peter, you would not expect much in the way of temperature drift 
>in
>>the short term. Any heating from either current flow or mounting 
>location
>>would cause a slow and gradual change. Since the operating bias for
>>3-500Z's is usually defined over a fairly wide range...70-120ma per 
>tube
>
>I guess it depends on how well you want to define the 
>current..........my
>amp is in a BIG cabinet and it gets warm inside. However, if  the L4 
>is
>likely to be driven by a modern splatter producer, it probably makes 
>no
>difference whatsoever.



Bottom line....put the diodes in a heat friendly enviroment...like in the
air flow....and all criteria are pretty well met.
Simple, cheap, almost bullet proof and no rocket science needed.

 
73   Carl  KM1H



>
>73
>
>Peter G3RZP
>
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