Need Circuit diagram and Components details for making a 2.1 speaker

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babupremkumar71

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Can anyone have idea about making a 2.1 speaker without spending lot of money..
If so please share with me.. No offense meant if u give idea for a stereo speaker too. please share ur knowledge...

Thank you,
Prem
 
A 2.1 speaker system has two small satellite midrange/tweeters and one small woofer. Each has its own amplifier so the circuit is simply 3 amplifiers and a simple crossover network to feed high frequencies to the tweeters and feed bass frequencies to the woofer.
You can buy cheap systems for $55.00. Each tweeter amplifier has a power of only 2W and the woofer amplifier has a power of only 9W. Their frequency response is not smooth and there is no deep bass.

Bose sells very expensive 2.1 speaker systems that sound the same as the cheap ones.
 

Thank you...
And i never thought about BOSE... lol
 
u can buy readymade 2.1 board from any standard electronics shop, why you make one urself then?
 
Guys need a circuit diagram please...
Click to expand...
Do you want a tube amp, chip amp, or transistor amp. Should it be class A, B, A/B, H or M? What power do you what? What speakers do you have?
What power will it run off?

Do you know what you want?
 
Ziddik said:
9 watts for a subwoofer?!!! You might needed atleast 80~100 watts for subwoofer..
Click to expand...
Cheap 2.1 sound systems use one 4" little speaker called a "sub-woofer" and two 2" little speakers as satellite tweeters. The little 4" speaker does not produce frequencies below 100Hz so it is not a sub-woofer. The little 4" woofer cannot survive more than only 10W and the little 2" tweeters cannot survive more than 5W.

My car has a 10" sub-woofer and is fed with 150W. I can feel the deep bass frequencies.
 
4pyros said:
Do you want a tube amp, chip amp, or transistor amp. Should it be class A, B, A/B, H or M? What power do you what? What speakers do you have?
What power will it run off?

Do you know what you want?
Click to expand...


Really i dont know much about u talking...
I had a CREATIVE 2.1 speaker, So i need to build a speaker which should give the same quality of my old speaker...

Can u...?
 
The cheap Chinese Creative SBS 2.1 350 speakers were sold for $20.00 to $40.00.
The amplifiers were 6W RMS for the woofer and only 3W RMS for the 2.5" tweeters. The woofer is only about 4" in diameter.
 
today i connected a "delayed relay " between the outputs of my subby woofer! The relay will turn on after 5 sec so the "POP Or click sound" will never go to my subwoofer.. Nice idea.. eh?
 
Thats fine as long as there is still a load on the amp when it turns on, other wise it may blow up.
 
He's talking about a load on the amplifier (i.e., speakers). I don't think you have to worry: most amps don't care if there's a load connected or not, so long as it's not turned up full blast.
 
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