Speaking of Impedance...

[Glen Zook]

You are correct.  The "brain" was not working this
morning!

It is the square root of the ratio and not a linear
progression.  However, I would bet almost any
transformer would work after a fashion.

Glen, K9STH


--- Terry Perdue <k8tp at HOME.COM> wrote:
> Actually, matching 16 Ohm outputs to 3.2 Ohm
> speakers would require a turns
> ratio of 2.23:1, not 5:1. This is an impedance
> ratio, not voltage (turns)
> ratio. If it were me, I'd try using a dual primary
> power transformer as an
> autotransformer. Wire the primaries in series, as
> for 230V, connect the ends
> to the amp, and the speaker between the cold end and
> center tap.
>
> Terry
>
> > The first would be to use an audio transformer
> that
> > would match the 16 ohms to the 3.2 ohms.  This is
> > about a 5:1 ratio.  Believe it or not, a power
> > transformer made for 24 or 25.2 volt output with
> 120
> > volts input would work.
>
>
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