In article ,
Henry Kolesnik wrote:
I was wrong it's only 10 watts. I know of no reason, perhaps someone
here will tell us. They made tens of thousands of these so it must have
had a need...

Usual reason would be to drive several small speakers or to do so over a
long run - like 100v line. Where a matching transformer is situated with
the speaker.

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*I believe five out of four people have trouble with fractions. *

Dave Plowman London SW
To e-mail, change noise into sound.