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At 15:57 6/11/97 -0800, you wrote:
Use an ohm meter to get a dc resistance. Multiply this resistance by
1.333333333333. It will give you the approximate impedance of the driver.
... or save yourself some button pushing and just use "1.3"; this will
still give a pretty good "approximation." ;-)
...
A. John Mallinckrodt
I saw the very natural reflex to curb unnecessary precision
which does not contribute to accuracy here.
But then I had a treacherous thought.
If the suggestion had been couched as
"multiply the resistance by 4/3" the approximate nature
of the suggestion would be clear - yet its decimal equivalent
seems quite out of place.