Simple LM386 Amplifier howto!

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Uploaded by on Feb 14, 2010

[no high voltage today]

Video by viewer request.

Lm386 datasheet:
http://www.alldatasheet.com/datasheet-pdf/pdf/8887/NSC/LM386.html

The song is:
Infected Mushroom
semi nice

Comment, rate and subscribe!

FAQ:

Q: The sound s0xx0rz, fix it!
A: Can't, since there are barely any parts.

Q: How do I add volume control?
A: Either in series with the speaker (volume) or between pin 1 and pin 8 (gain)

Q: Why is there a 7805?
A: To conserve power, you can go without it if you feel like it.

EDIT:
Too many of the comments are goddamn retarded, so I will no longer reply.
Read the other comments, your question is probably answered already.

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Howto & Style

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Standard YouTube License

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Uploader Comments (holycrapapie)

  • Thank's for the video! Will a 10 uf 50v capacitor boost this to 200?

  • @thenameless615

    Finally, a non-stupid comment.

    Anyways. I don't know all the specs, but they're easy to find at sites like alldatasheet or datasheetarchive (dot com, can't type URLs in comments.)

  • @holycrapapie Thank's. I have already found that they need 10uF capacitor, but there is nothing said about the voltage. I have both 10uF 25v and 50v capacitors, can't try them myself because I haven't received my LM386 yet. I guess I will have to experiment then.

  • @thenameless615

    The voltage rating on a capacitor is just how many volts it can take without exploding. Any voltage rating > VCC will work.

see all

All Comments (147)

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  • what is the use of the voltage regulator?

  • @2cooliobeans there is a datasheet in video description, everything is described there...

  • @thenameless615

    would u put the capasitor on pin 1 and 8?? idk so if u could tell me and which ones to - and+?

    thx

  • Thank,s broo...

    you give me sollution...

    If you have a time, pliss make amplifier with Chip TDA7053..

    thank's....

    i'am from indonesia..

  • You could try using a LM386N-4 should give yoy a bit more output rated @700mW, just an idea.

  • @jbpharis0594

    I think a big old electrolytic can works.

    Experiment!

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