BillFitzmaurice said:
Not to nitpik, but efficiency compares acoustic power out relative to electrical power in and is not measured in dBs but rather is stated as a percentage figure.
I use dB all the time and like it. It is very useful.
Svante said:
Hmm... Going from two drivers side-by-side in the volume 4*V to two drivers, isobaric in the volume V, the both the efficiency and max SPL should drop by 6 dB.
I seem to be having problems with my thinking in this area,
probably due to not being contradicted in previous threads.
The old acoustic coupling guff again, which I seem to have
misunderstood, and haven't yet adjusted reference points.
You are of course correct.
sreten.
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