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3 questions
2
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Active low pass filter built around an LM386
I have some theoretical electronics knowledge from uni, but when it comes to applying it in practice, things can get a little bit complicated.
I've built simple stomp box, basically a piezo transducer ...
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0
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Using diy lm386 preamp on standard commercial amp?
I have a small intercom-like device that has been siting around.
It looks something like this.
I suppose that inside is just a basic elect-mic and a button.
Also i have an power amp which i used to ...
0
votes
2
answers
528
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Designing of an audio amplifier using LM386 and a preamplifier
This is the circuit . But i am still getting acoustic howling. What can I do to prevent it dynamically. Also I want to increase the sensitivity to the extent that when I rub my fingers in front of the ...