Using the HYPNOTIZE as a general shunt reg PCB - Page 53 - diyAudio
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Old 17th July 2011, 02:35 PM   #521
Salas is offline Salas  Greece
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Creative cut up non the less.
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Old 17th July 2011, 02:52 PM   #522
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Quote:
Originally Posted by acidbrain View Post
It's almost blasfemy cutting up those hypnotize boards.
They do a great job feeding my B2 dac !
Nope, I dont think so. This is DIY. Looks great.
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Old 17th July 2011, 03:09 PM   #523
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Thank's guys. I'm a happy diyer
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Old 17th July 2011, 03:17 PM   #524
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Funny - I was just thinking that yesterday as I cut up 2 of them for dac power supplies for a friend! But they work really well and are very neat too.

Fran
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Old 21st July 2011, 06:50 PM   #525
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My DAC sounded a little to much in my face, so I changed the DCB1 Schottky's to HFA08TB60 Ultrafast, Soft Recovery diodes. I also changed the Wima 0,22uF's with small Obbligato's 1uF-2uF. That last mod changed the sound a lot in the prefered direction.
Never thought that a filter cap on that place would have such an impact.
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Old 21st July 2011, 06:59 PM   #526
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Fran had done some substitutions in types back in the days before the blue release if I remember well, and we decided the Wima 0.22u as a standard but we gave space on PCB and encouraged both value and type experiments if something could stick better to individual system/preference. Yes its influential as a position.
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Old 21st July 2011, 07:07 PM   #527
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Obbligato's 1uF-2uF

Oilers?
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Old 21st July 2011, 07:14 PM   #528
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Obbligato Premium Gold, I think about isolating the metal tubes because they can conduct electricity. Would it be something to connect the tubes to the ground (0) as well ?
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Old 21st July 2011, 07:30 PM   #529
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Wrap a naked wire around and ground it somewhere near? Is the surface conductive or varnished? Try with a DMM on them.
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Old 21st July 2011, 07:33 PM   #530
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P.S. The Wima was fine for gain=1 DCB1, you needed a bigger cap for better noise for a sensitive digital circuit probably.
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