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3rd June 2003, 02:44 AM
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#1 |
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diyAudio Member
Join Date: Feb 2001
Location: where fair living
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aleph-what number i dont know whether 4 or 5
after hard work , at last i finished my dear aleph-what
 it is too hot , but i can touch it for 5 second .thanks to nelson for giving me so great circuit i can build.
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Maybe i should not be lazy again |
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3rd June 2003, 02:47 AM
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#2 |
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diyAudio Member
Join Date: Feb 2001
Location: where fair living
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inside
look inside
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Maybe i should not be lazy again |
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3rd June 2003, 02:49 AM
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#3 |
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diyAudio Member
Join Date: Feb 2001
Location: where fair living
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thanks mark finnis
without his help i cant do it
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3rd June 2003, 02:51 AM
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#4 |
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diyAudio Member
Join Date: Feb 2001
Location: where fair living
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hard work
i am too tired, it is too heavy
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3rd June 2003, 02:56 AM
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#5 |
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diyAudio Member
Join Date: Feb 2001
Location: where fair living
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mess desk
i used a big transformer which is 1000va, second coil output 30vac, after rectifier output 40 vdc althought it flow 3A current
. i used 3 pair of irfp250 , in shanghai of china it is much cheaper than irfp240.
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Maybe i should not be lazy again |
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3rd June 2003, 03:00 AM
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#6 | |
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Account Disabled
Join Date: Aug 2002
Location: Near to the Pacific Ocean
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hard work
Quote:
Nice music will comfort you, soon. By the way, if you got the components in Shanghai, could I know where (address) you got? Thanks. JH |
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3rd June 2003, 03:09 AM
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#7 |
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diyAudio Member
Join Date: Feb 2001
Location: where fair living
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to jh6you
in shanghai , beijing east road (ke ji jing cheng) and si-chuang middle road and qiu jiang road , there is some electricity component store , much cheaper than abroad.
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Maybe i should not be lazy again |
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3rd June 2003, 03:52 AM
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#9 |
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diyAudio Member
Join Date: Dec 2002
Location: Florida
 
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check out the cool Son of Zen resistors just hanging
out on the table... probably good for 2 watts or so  i guess the ground trace that goes all the way around your front end board isn't giving you any trouble? nice looking amp! |
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3rd June 2003, 04:11 AM
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#10 | |
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diyAudio Moderator Emeritus
Join Date: Jan 2002
Location: near Atlanta, GA
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Quote:
As for the ground trace going around, Mark Finnis did it in one of the first DIY Aleph amplifiers a long time ago in his pcb layout without problems: http://www.passdiy.com/gallery/aleph4-p1.htm http://www.users.bigpond.net.au/mefinnis/index.htm I have seen others do the same layout also. -- Brian |
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