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Old 7th November 2012, 09:52 PM   #1
diyAudio Member
Join Date: Nov 2012
Location: Vilnius
Default Help me out with a project - Pairing up amplifier

Hey there, guys!
I'm not sure if I'm posting at the right thread, and I'm sorry If I had, I'm a n00bie here.

This is like my first post in the forum, so you'll know that I'm completely new to these kinds of projects. Anyhow, in the past month I've been reading around a lot about DIY speaker building and I became completely hooked.

I'm planning on starting simple: I want to make a two simple full-range speakers work from an AUX input, by just connecting it into a 220V socket.

I haven't planned it out completely, but I figured the more I wait, the more I'll forget everything I've read.

For now, I have only chosen the full-range speakers.

Now what I want to to do is to choose an amplifier IC, but the thing is that both electronics and schematics are new to me, so I want you guys to help me out and tell me HOW I should pair up my speakers with an amplifier.

It would also be great if you'd give me some tips on what other parts I would need for my project.

Appreciate it!
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Old 7th November 2012, 10:47 PM   #2
DUG is offline DUG  Canada
diyAudio Member
Join Date: Jan 2003
Location: mississauga ontario canada
So, rated power of 20W, you don't need a very large amplifier.

A chip amp would work fine.

There are many threads on this forum about what you need. Search the chip amp section. You may see something you like.

You might also consider a kit where the parts are all there and you just put it together.

The power supply is another issue.

If you are new to building or electronics you might want to consider buying an external supply that meets your requirements.

If you want to build it all then be careful. Again consider a kit.

Have fun
Doug We are all learning...we can all help
"You can't stop the signal, Mal. Everything goes somewhere..."
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Old 7th November 2012, 11:56 PM   #3
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Join Date: Feb 2012
I think LM1875 chip amp is the best bet for you. Please, dug out the further info about it. Download the datasheet. Tell me, if you need any help about it.

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