Great post DMXtools.
My understanding is that a speaker is primarily an inductive load and this is why when you meter a 4 ohm speaker you read about 6 ohms on the meter. However, if I remember correctly, at different frequencies, the speaker will display different characteristics. Thus the amp can see a speaker as being a resistive load, inductive load and capacitance load (if that is the correct term) at various frequencies.
In light of the calculations, does this actually make any difference? I am correct that the load type has implications with regards to power. However, this is getting a thin in my knowledge area so I may be confusing what is a very simple and straightforward mathematical problem. :?
Just one other question, is the resistance chart something that you got off of the web (a link would be great) or is it one from a book? And would you trust a low ohms meter to give an accurate reading of a cable or would you advise the use of such a chart?
Cheers,
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