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Old 18th November 2013, 08:58 PM   #31
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Sure, there is that too. A flat speaker will be made to get a smiley face.
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Old 19th November 2013, 10:33 AM   #32
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Old 19th November 2013, 10:47 AM   #33
Ola is offline Ola  Estonia
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Default Don't forget papa Ohm!

Dear people, you forget the elementry Ohm's Law.
High output impedance modifies loudspeaker's frequency output compared to small resistance output, because the effect of voltage devide is much more pronounced. This kind of experiments have been done 40 years ago, when the sound transistor amps compared to the sound of tubes was a hot topic.
So try to understand, what exactly are you talking about. 47 ohm resistor in the output is one thing, 10 ohms a very different story!!!
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