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250W Subwoofer Amplifier

I'm slowly building a 5.1 surround sound system. Therefore I need a subwoofer. This project is the amp for that subwoofer.

The circuit drawings that I want to use for this project can found here:
The amplifier: http://marcusgun.awardspace.com/m250.html
The subwoofer filter: http://www.circuitsonline.net/circuits/view/69

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Update 03/04/07

Today I mounted the heat sink to the case.

250W subwoofer amplifier250W subwoofer amplifier

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Update 26/03/08

I received 2 transformers (2x30V 750VA) that I bought on Kapaza. 1 of those 2 I'm going to use for this project.

Transfo

 

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Update 10/07/08

I decided to build a enclosure myself because the old enclosure above is not pretty enough. I'm also going to replace the heat sink by 2 larger ones that I bought on a radio market.

The heat sinks will form the side's of the new enclosure. The rest will be made from aluminum sheet.

Versterker kast

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Update 11/10/08

Today I made a pcb with capacitors. On the pcb I soldered 12 3300µF 100V capacitors. I bought these cheap on a radio flea market.


elco print

elco print

elco print

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