|[AMRadio] Ham mods (was Re:SP600 Question)]|
hbrnut at suddenlink.net
Tue Sep 15 15:02:53 EDT 2009
You stole my thunder. Negative feedback is a very effective way of reducing
distortion and smoothing frequency response. It was used in the Ranger to
reduce the effective plate resistance of the 1614's so that it would work
well as a speech amplifier for a larger modulator (such as the 810's
in the Johnson Kilowatt).
At 01:42 PM 9/15/2009 -0500, you wrote:
>The method of negative feedback in the audio section of the Ranger is
>unique and very effective.
>----- Original Message -----
> >I wonder why the Ranger would be among the best stock audio and the
> > Valiant among the worst? Same maker, same vintage, etc.
> > 73 de W3NU
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