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#1 |
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diyAudio Member
Join Date: Apr 2004
Location: HKSAR
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Special thanks to Klaus who helped me a lot throughout the DIY work. It' had been painful to figure out the bug that I carelessly made by misreading the resistance of 22.1ohms and 33.2ohms as 221ohms and 332ohms respectively. He simply gave me a hand that took me out of serious troubles.
The following picture shows the main pcb |
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#2 |
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diyAudio Member
Join Date: Apr 2004
Location: HKSAR
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The whole thing with the chasis opened
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#3 |
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diyAudio Member
Join Date: Apr 2004
Location: HKSAR
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Front view
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#4 |
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diyAudio Member
Join Date: Apr 2004
Location: HKSAR
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Rear view
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#5 |
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diyAudio Member
Join Date: Apr 2004
Location: HKSAR
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Front view at a different angle
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#6 |
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diyAudio Member
Join Date: Aug 2003
Location: Long Island, New York
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Very nice job! I see you also have the mandatory Blue LED also.
__________________
----------------------------------------------- Kilowattski |
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#7 |
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diyAudio Member
Join Date: Apr 2004
Location: HKSAR
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Thanks kilowattski . The Blue Led act as constant voltage source as part of the power regulator, which will be used for DAC upgrade later on.
Power supply section: |
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#8 |
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diyAudio Member
Join Date: Apr 2004
Location: HKSAR
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The stepped attenuator
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#9 |
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diyAudio Member
Join Date: Apr 2004
Location: HKSAR
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PCB, again
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#10 |
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diyAudio Member
Join Date: Apr 2004
Location: HKSAR
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Grounding schematic
I got very very little hiss noise when the volume is set at the last few greatest volume. The gain resistor used is 316ohms. |
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| Thread | Thread Starter | Forum | Replies | Last Post |
| Aleph P Finished (Well at least 99% done) | kilowattski | Pass Labs | 38 | 5th March 2005 12:04 PM |
| My finished Aleph 2 | moe29 | Pass Labs | 20 | 26th September 2003 11:08 PM |
| Another Aleph finished! | Edwin Dorre | Pass Labs | 31 | 31st October 2002 06:43 PM |
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