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schematic diagram simple sub woofer

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Heres several full amplifier schematics! Have fun! :)
 

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  • LM4702 High Power Amp Driver IC.pdf
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  • LM4702 Full amp build up.pdf
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  • LM4780 120W AMP IC.pdf
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  • LM3886 68w amp IC.pdf
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That Greek sub-woofer filter circuit is a nightmare. It is a project at Electronics-lab.
Its schematic does not agree with its parts list which does not agree with its parts layout because some capacitors are actually two capacitors in parallel.

The translation from Greek to English is a joke.
 
A speaker makes a poor microphone because it has a low frequency resonance that makes it sound "boomy".
An electret microphone has excellent sound and is inexpensive and small.
 
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