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Old 4th March 2015, 07:07 AM   #1
symbian41 is offline symbian41  United States
diyAudio Member
Join Date: Mar 2015
Default Diy Amplifier Build for PC

Hello everyone here, I am going to make custom Amplifier for speakers. I know very well about computer hardware but limited to circuits and all about parts of electronics.

What I Have?
Desktop 2GB ram, Dual core 2.8, On board Audio

Speakers 2.1ch

Stereo input (RCA)

Control Panel Functions
Volume, Bass & Treble Controls

1 Sub-woofer

2 Satellite speakers

Total RMS Power Output
40 Watts RMS max.

Sub-Woofer RMS Power
20 Watts RMS max.

Satellite RMS Power
10 Watts RMS each

Sub-woofer Driver Unit
4.5 inch Full range woofer driver

Satellite Driver Unit
3 inch Full range speaker driver

Frequency Response
Woofer - 20Hz~200Hz, Satellites - 100Hz~20kHz

>= 45dB (1KHz)

S/N Ratio
>= 68dB

Separate 4 speakers from giant Old TV

What I Have Done?
I have broken amplifier circuit board in Sub-Woofer. Everything is fine beside green circuit board which is broken too badly and it can't be repaired

What I Want To Do Now?

1 I want to make it work again by putting high quality custom amplifier circuit board for best sound possible or Build separate amplifier and attach whole setup with it
2 Optional - Is it possible to make 5.1 ch systems as i have 4 separate speakers, sound very good.

What I Want To Know?
There are many types of amplifiers. Can you post info or useful links for classification, pros and cons all of them.

Note - Move My Thread to Appropriate Category if Posted in Wrong Section.

Last edited by symbian41; 4th March 2015 at 11:54 AM.
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