Amps
[Top] [All Lists]

[AMPS] L4B

To: <amps@contesting.com>
Subject: [AMPS] L4B
From: km1h@juno.com (km1h@juno.com)
Date: Fri, 16 Oct 1998 16:40:45 -0400

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
>
>--
>FAQ on WWW:               http://www.contesting.com/ampfaq.html
>Submissions:              amps@contesting.com
>Administrative requests:  amps-REQUEST@contesting.com
>Problems:                 owner-amps@contesting.com
>Search:                   http://www.contesting.com/km9p/search.htm
>
>

___________________________________________________________________
You don't need to buy Internet access to use free Internet e-mail.
Get completely free e-mail from Juno at http://www.juno.com
or call Juno at (800) 654-JUNO [654-5866]

--
FAQ on WWW:               http://www.contesting.com/ampfaq.html
Submissions:              amps@contesting.com
Administrative requests:  amps-REQUEST@contesting.com
Problems:                 owner-amps@contesting.com
Search:                   http://www.contesting.com/km9p/search.htm


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