Listed Specifications for Guitar Speaker Frequency Range
Don Pearce wrote:
What has the resistance of the voice coil got to do with this? It is a
parasitic that produces nothing but heat. It is the resistive vector
of the reactive component that is of interest here.
** The topic is measuring *power dissipation* so resistance is everything.
The power dissipation in a loudspeaker is approximately 85% in the voice coil with the remaining 15% in the suspension, eddy currents and radiated sound.
And capacitances have infinite, not zero resistance.
** FFS ideal caps have zero *series* resistance.
However, the
capacitive reactance would still cause current to flow.
** But does not dissipate heat, so no power.
If you take
the RMS of that current and the driving voltage you get a figure that
looks like a power but isn't.
** FYI readers:
Don has now gone full circle, back to his original nonsense assertion.
Don has made no attempt to answer anything in my posts, he is like that wind-up toy that never stops.
Game over.
..... Phil
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