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12th March 2010, 02:51 PM
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#191 |
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diyAudio Member
Join Date: Nov 2008
Location: Bulgaria
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9th April 2011, 01:48 PM
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#192 |
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diyAudio Member
Join Date: Jan 2011
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10th April 2011, 11:35 PM
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#193 |
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diyAudio Member
Join Date: Apr 2003
Location: Denver
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Check HeadWize - Project: The Zen Headphone Amplifier by Marcello Pellerano for more detail. O headfi.org diy sectuion for advice.
Vlad |
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12th April 2011, 05:32 AM
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#195 |
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diyAudio Member
Join Date: Jan 2011
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thanks a lot
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28th January 2012, 06:58 PM
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#196 |
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diyAudio Member
Join Date: Mar 2010
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14th October 2012, 06:42 PM
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#197 |
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diyAudio Member
Join Date: Jan 2011
Location: Ugrinovci-Zemun-BELGRADE
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TODAY
Here is my ZEN like headphone amplifier. I have finished it today after reading this tread. Since a few of you here have had some humm troubles,i have used two 4700uF per chanel at PSU board and one 3300uF at each amp-board. I have redrawn PCB so it fits with my heatsink,the PSU board and Timer-Eq. boards are as the author suggested. I have wired it just as it is in "Power connections" pdf and there is no audio humm at all. IŽd say it has a lack of hi-frequencies but it still sound wery wery pleasant. Thanks for this project mr. Marcello Pellerano!
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16th October 2012, 09:26 AM
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#199 |
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diyAudio Member
Join Date: Jan 2011
Location: Ugrinovci-Zemun-BELGRADE
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It may be that my ears got used to listen to this amp or it may be something else,but iŽd say that now there is no previous lack of hi-frequencies. It sounds really good!
Here is my version of PCB (100x67mm) ,if someone needs it:
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