>
>> As for the question of proper operation, we're all prone to think we know
>> what we're doing and ignore the manual. Trouble is, there aren't that
>> many tetrode linears around, and the tune-up routine is so different from
>> a GG triode that many of us would rely on our triode experience and risk
>> burning up the tube. It's not hard to understand why a manufacturer would
>> weigh that tendency (and the resulting support headaches) in the decision
>> whether to go with a tetrode or a triode.
>
>What I weigh is how much money is saved, and what it might cost
>if all the amplifiers have to be refitted with another brand or type of
>tube.
>
>Then, added to that, how much headache will be caused when
>people do something wrong, and how likely they are to do that.
>
>It's all a matter of time and money, no matter how you candy-coat
>it.
>
No parasitic suppressor whatsoever saves maybe a dollar. Replacing
gold-sputtered 8877s is matter of money. /see Figure 24 on my Web site.
>
end
- Rich..., 805.386.3734, www.vcnet.com/measures.
end
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