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Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ.

Point taken, however

Power applied to the speaker from the amp translates to work and heat Both of which do NOT return to the amplifier. One reason why we measure current in the forward vector and not the ground (at least for billing) because the energy consumed is dissipated (Not gone per laws of thermodynamcs)

If there is no work being done yes AC is alternating. But energy is being consumed in a fashion which can NOT be returned to the source.


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