amplifier schematics

skogs · 23rd October 2006, 09:32 PM

Hi, im new to diy amplifiers, and to be honest i really don't have a clue.
i want to build an amp to be be used in a subwoofer. it has to be cheap, ca 150w rms output and be able to handle 4ohm. could anyone please explain what kind of amp i want to build or\and even give me some schematics for one that will siut my needs?

thanks alot in advance

bigpanda · 24th October 2006, 12:59 AM

Take a look at this :

http://users.otenet.gr/~athsam/power_amp_300w.htm

I got some ready made pcbs for it.

skogs · 24th October 2006, 10:31 PM

thanks

but i need something less powerful! i need 150-200w rms on one channel.

Leolabs · 25th October 2006, 01:14 AM

Quote:

Originally posted by skogs
thanks
but i need something less powerful! i need 150-200w rms on one channel.

Have you visit http://sound.westhost.com ????

N-Channel · 25th October 2006, 01:44 AM

Skogs,

Check out Rod Elliot's website Sound.westhost .com.

It really has alot of good projects, and there ven might be 150W/4 W amp that can easily be adapted to a subwoofer application.

Cheers,

Steve

23rd October 2006, 09:32 PM	#1
skogs diyAudio Member Join Date: Oct 2006	amplifier schematics Hi, im new to diy amplifiers, and to be honest i really don't have a clue. i want to build an amp to be be used in a subwoofer. it has to be cheap, ca 150w rms output and be able to handle 4ohm. could anyone please explain what kind of amp i want to build or\and even give me some schematics for one that will siut my needs? thanks alot in advance

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24th October 2006, 12:59 AM	#2
bigpanda diyAudio Member Join Date: Jun 2004 Location: HKSAR	Take a look at this : http://users.otenet.gr/~athsam/power_amp_300w.htm I got some ready made pcbs for it.

24th October 2006, 10:31 PM	#3
skogs diyAudio Member Join Date: Oct 2006	thanks but i need something less powerful! i need 150-200w rms on one channel.

25th October 2006, 01:44 AM	#5
N-Channel diyAudio Member Join Date: Mar 2003 Location: Sol System	Skogs, Check out Rod Elliot's website Sound.westhost .com. It really has alot of good projects, and there ven might be 150W/4 W amp that can easily be adapted to a subwoofer application. Cheers, Steve

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