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JRdGreat 15th September 2009 05:42 AM

500W Power Amplifier
Hello Guys.. please Help me with my Project... I need a PCB layout of a 500w stereo power amplifier... I need to produce it within this month.. Please include construction guides and schematic diagram and lists of materials/parts...

Please..... Thank you in advance...

Lazy Cat 15th September 2009 07:31 AM

What an optimist you are. Good luck. :D

Jaac 15th September 2009 07:42 AM


Originally Posted by JRdGreat (
I need to produce it within this month.. .

Please replace I with You. Succes

ashok 15th September 2009 08:08 AM

How much are you paying for the service?

Just joined huh....! Put on your armour , you might get some flak !

gaetan8888 15th September 2009 08:35 AM

Hello JRdGreat

Here is a link to a amp for you.

Have you done any amplifier before ?

If not, don't build a high power amplifier if you do not have enough experiences.



AndrewT 15th September 2009 08:57 AM

ESP's project 68 will give you some idea of how difficult it will be to get 250W into a load.
To achieve 500W, reliably, into your load will be much more difficult.

don't believe that estimate of 470W into 4r0 from +-70Vdc PSU. His 4pair output stage and PSU design will never achieve that or anywhere close.

stoN_Cold 15th September 2009 09:33 AM

From A to Z!

Schematic Board Lay. full documentation!!!!

Good cheap Amplifier!

Regards zeoN_Rider

juma 15th September 2009 10:29 AM

It's a rather long thread that Zeonrider gave you link to - you better visit Quasi's web page:

Look for Actrk400 / 600, there you'll find all you need.

It is proven and tested design, many satisfied diyers made it successfully.

Good luck!

ashok 15th September 2009 03:44 PM

JRdGreat , you've got some great links.
Have you built any power amplifiers before?

Building high power amps is not easy even with all details given. One month might be a really tight squeeze unless you have a ready pcb and all parts and chassis ready. Why did you come up with such a request at the last minute ?:confused:

JRdGreat 15th September 2009 05:38 PM

Guys.. Unfortunately, this is my first project... Building a Power Amplifier... but im trying to cope up the lessons we had... hopefully, i could produce this.... my classmates will help me too... thanx guys...

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