On Sep 3, 2005, at 10:53 PM, Phil Clements wrote:
>
>
>>>> Cutting the drive back too much will indeed cause a good size
>>>> mismatch
>>> and would need to be fine tuned some. The reason being is when the
>>> power
>>> drops, the plate impedance changes accordingly. I myself don't see
>>> any
>>> fine tuning for this bad at all.
>
> If you need to cut the drive back far enough to make re-tuning
> necessary,
> why not just turn the thing off! People usually use amplifiers because
> they
> want to increase the quality of their signal for those who are
> listening, or
> turn bad or marginal QSO's into good ones. I have never understood why
> people buy an amplifier and then cut it back so far that it becomes
> useless!
> I guess it's an ego thing, just to say you have one.
Amen, Phil. Ego is why people in L. A. buy BMW M3s - even though being
able to go from 0 to 60 in 5-seconds really isn't all that useful when
the freeway is moving slower than the bicycles on the frontage road.
>
> The best advice I can give on operating an amp is to follow the
> instructions
> in the manual that came with it.
Most of the manuals that I have read give instructions that say to
reduce drive during tuneup. Do you agree with this procedure?
> If you don't have a manual, get one!
>
> (((73)))
> Phil Clements, K5PC
>
>
>
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>
>
Richard L. Measures, AG6K, 805.386.3734. www.somis.org
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