PSU for many amp blocks

Specterx · 4th May 2005, 08:36 AM

Hello,

I'm planning to build 3 stereo amp blocks(GC). Is it possible to connect them to PSU like in the image attached here? Is this connection type noisy for Amp?

Specterx · 4th May 2005, 08:36 AM

Hello,

I have planned to build three stereo amp. blocks and to use power supply with one output(+ and -). Is it possible to connect PSU to amps like in the picture attached? is it noisy connection? is there another sollution?

With best regards,
Roman.

mwmkravchenko · 4th May 2005, 11:57 AM

Less problems.

Mark

Specterx · 4th May 2005, 03:43 PM

but is it good that 3 amp blocks share one power source from PSU? Is there any sollution better than parallel connection?

G4ME · 4th May 2005, 03:59 PM

sure, 3 different PSU

Specterx · 5th May 2005, 04:19 PM

Does anybody have schematic of PSU where are 3 independent outputs and one torodial type transformer on input?

autoexec · 6th May 2005, 10:21 AM

do you mean putting 3 bridge rectifiers in parrallel?

Specterx · 7th May 2005, 04:03 PM

yes, but only in case they are powered from one PSU. Can I use torodial tansformer for many Power Block units?

markp · 7th May 2005, 07:39 PM

Quote:

Originally posted by Specterx
yes, but only in case they are powered from one PSU. Can I use torodial tansformer for many Power Block units?

Yes, you can. The inputs to the diode bridges are in parallel and each bridge feeds its own capacitors and amp.

4th May 2005, 03:59 PM	#5
G4ME diyAudio Member Join Date: Jun 2003 Location: Location: Location	sure, 3 different PSU __________________ Two little mice fell in a bucket of cream. The first mouse quickly gave up and drowned. The second mouse, wouldn't quit. He struggled so hard that eventually he churned that cream into butter and crawled out.

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4th May 2005, 03:43 PM	#4
Specterx diyAudio Member Join Date: Apr 2005 Location: Riga, Latvia	but is it good that 3 amp blocks share one power source from PSU? Is there any sollution better than parallel connection?

5th May 2005, 04:19 PM	#6
Specterx diyAudio Member Join Date: Apr 2005 Location: Riga, Latvia	Does anybody have schematic of PSU where are 3 independent outputs and one torodial type transformer on input?

6th May 2005, 10:21 AM	#7
autoexec diyAudio Member Join Date: Oct 2003 Location: Maroubra, Sydney, Australia	do you mean putting 3 bridge rectifiers in parrallel?

7th May 2005, 04:03 PM	#8
Specterx diyAudio Member Join Date: Apr 2005 Location: Riga, Latvia	yes, but only in case they are powered from one PSU. Can I use torodial tansformer for many Power Block units?

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