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18th October 2009, 06:31 PM
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#1 |
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diyAudio Member
Join Date: Oct 2009
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idea about 200w circuit
Hi all
I am just a new member in this very nice forum and I am seeking for little help  I searched for a lot for circuits which can deliver 100W or more I found those ones First :Cheap 100 to 150 Watt Amp Second :http://mycaramplifiers.com/wp-conten...-amplifier.gif I asked some friends and told me the first has 6% distortion at 1khz/1v output and this is a very high distortion and don't make it  they knew nothing about the second one I hope I knew ur idea about it |
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18th October 2009, 07:25 PM
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#2 |
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Did it Himself
diyAudio Member
Join Date: Nov 2003
Location: Gloucestershire, England, UK
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First one, absolute junk, has been covered on here many times.
Second one, waste of time, just build a standard amp. There are many good amp projects talked about on here, pick one.
__________________
www.readresearch.co.uk my website for UK diy audio people - designs, PCBs, kits and more |
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19th October 2009, 06:46 AM
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#3 |
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diyAudio Member
Join Date: Oct 2009
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oh man junk and a waste of time
I searched the forum many times but found complicated ones I am seeking for a cheap simple one the main problem is the market I couldn't found a lot of ICs in Egypt therfore searching for a simple cheap one will be a solution I am very sorry to ask about providing links for those circuits Thanks in advance |
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19th October 2009, 06:59 AM
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#4 |
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diyAudio Member
Join Date: Oct 2009
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19th October 2009, 12:04 PM
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#5 |
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Did it Himself
diyAudio Member
Join Date: Nov 2003
Location: Gloucestershire, England, UK
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That amp will not make 100W.
If ICs are hard for you to find then make a discrete amp, these will perform better as well. Take a look at Destroyer X amp, or sixtek st151.
__________________
www.readresearch.co.uk my website for UK diy audio people - designs, PCBs, kits and more |
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20th October 2009, 07:45 AM
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#6 |
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diyAudio Member
Join Date: Oct 2009
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I searched fot he words you said and I want to make sure that ,they are the circuits u mean
"ST151" 100W amplifier Greg's Web Site are those the right circuits to try?? |
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20th October 2009, 09:38 AM
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#7 |
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Did it Himself
diyAudio Member
Join Date: Nov 2003
Location: Gloucestershire, England, UK
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Yes correct
__________________
www.readresearch.co.uk my website for UK diy audio people - designs, PCBs, kits and more |
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20th October 2009, 10:42 AM
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#9 |
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Enjoy good sound
diyAudio Member
Join Date: Aug 2005
Location: In the middle of Sweden
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Amplifier from member Quasi perhaps? Well documented and easily available parts.
Quasi's DIY Audio 200W amp.
__________________
/ Anders |
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4th November 2009, 06:22 PM
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#10 |
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diyAudio Member
Join Date: Oct 2009
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4fun the link for "Quasi's DIY Audio 200W amp. " is not working could you provide another link.
I have modified the circuit here it is :  analysis for 100w amplifier ciruit the distortion now is around 1% I think this is better I want you idea about the new modifications I did thanks in advance Smile |
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