GS wrote:
In article ,
"Arny Krueger" wrote:
"Mike Rivers" wrote in message
Someone will understand a 100W or 200W amplifier, but
won't think of one having 3 dB more (power) gain than the
other.
That would be their loss. If you compare amp power in dBs, and remember that
it takes about 10 dB to create the perception of "twice as loud", then a lot
of things in the real world that may seem mysterious become understandable.
You got to consider that.
But, for understanding basics, knowing 6 dB is twice the voltage is what
people should know....
They should first know that dB is a power measurement, this is the
fundamental fact on which the rest is based. When they have grasped the
basics, then they can be shown that the voltage is a handy way of
comparing two power levels in the right circumstances (and they can
remember some handy voltage ratios if appropriate).
--
~ Adrian Tuddenham ~
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