[1000mp] AMP Question

[Rob Atkinson]

Hi,

I guess I don't understand how the Z of a load can change with the 
power delivered to it unless the components affecting the Z are 
underated for the power.   maybe i'm missing something?  sorry.

73

rob / k5uj


On Thursday, May 3, 2007, at 10:09  AM, Rod Elliott wrote:

> Dick...
>
> I use a Mk5 Field to drive an AL-1200. No problems... works great.
>
> In my experience the SWR presented to the Field by the amp's input is 
> always well below 2:1, even if the output of the amp is not perfectly 
> matched. The Field has no problem with that.
>
> One precaution... do NOT use the Field's internal antenna tuner when 
> driving the amp. (The amp's input impedance varies with drive level... 
> you don't want the Field's tuner to strip its gears trying to follow 
> your voice! )
>
> 73
> Rod VE3UW
>