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18th December 2011, 03:57 PM
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#1852 | |
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diyAudio Member
Join Date: Jan 2011
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Quote:
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19th December 2011, 12:39 AM
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#1854 | |
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diyAudio Member
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Quote:
This my Clone Amli! Thanks
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Group buy DAC-END R (ES9018) full assembled board update 06/14/2013 : https://docs.google.com/spreadsheet/...FE&hl=en#gid=0 Last edited by quanghao; 19th December 2011 at 01:01 AM. |
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19th December 2011, 07:07 AM
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#1855 |
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diyAudio Member
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And!
I use this circuit! thanks
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Group buy DAC-END R (ES9018) full assembled board update 06/14/2013 : https://docs.google.com/spreadsheet/...FE&hl=en#gid=0 |
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19th December 2011, 07:49 AM
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#1856 | |
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diyAudio Member
Join Date: Mar 2008
Location: Viet Nam
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Quote:
1. I drew the wrong and that you was copy the wrong to your circuit (see picture) 2. MPSA42/92 not be used with +/-75V in the Vas . 3. Current of Vas the same as your circuit is (2.4/257.5)/2 = 4.66mA not 6mA you wrote in circuit.
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Ultraline1@gmail.com |
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19th December 2011, 08:47 AM
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#1857 |
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diyAudio Member
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[QUOTE=hien.t.nguyen;2826422]Have a few problem in circuit.
No wrong, and no copy of you! I practiced many times, to have the same value! Schematic you gave false and not true reality! The values given are based on my practice many times, finishing last, but maybe it is just the beginning of the capacity.
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Group buy DAC-END R (ES9018) full assembled board update 06/14/2013 : https://docs.google.com/spreadsheet/...FE&hl=en#gid=0 Last edited by quanghao; 19th December 2011 at 08:55 AM. |
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19th December 2011, 09:07 AM
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#1858 |
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diyAudio Member
Join Date: Mar 2008
Location: Viet Nam
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I said I drew the wrong, if you draw like me, you also wrong!
 Right the same as normal, but wrong the same as is sure to copy. In here,many people have good knowledge,they will see now.
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Ultraline1@gmail.com Last edited by hien.t.nguyen; 19th December 2011 at 09:19 AM. |
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19th December 2011, 09:17 AM
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#1859 | |
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diyAudio Member
Join Date: Mar 2008
Location: Viet Nam
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Quote:
If you have knowledge of electronics,you did not draw like that(you say your circuit is right). 
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Ultraline1@gmail.com |
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19th December 2011, 09:18 AM
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#1860 |
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diyAudio Member
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[QUOTE=hien.t.nguyen;2826422]Have a few problem in circuit.
1. I drew the wrong and that you was copy the wrong to your circuit (see picture) 2. MPSA42/92 not be used with +/-75V in the Vas . Please see the image, line I is fixed. I = I1 + I2, I1 I2 increases, the reduction should decrease the VCE. VCE Q29 is inversely proportional to I2 so P = I2.75 = 4.66x75 = 349mW <625mW. What do you think it??
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Group buy DAC-END R (ES9018) full assembled board update 06/14/2013 : https://docs.google.com/spreadsheet/...FE&hl=en#gid=0 |
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