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Old 22nd February 2013, 04:15 PM   #101
APK is offline APK  United Kingdom
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The way I see it in the schematic you must use one 8v for the motor supply and can use one 5v (supplying all four 5v sections) by removing L4
Tony
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Old 22nd February 2013, 07:00 PM   #102
tvicol is offline tvicol  Romania
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Quote:
Originally Posted by APK View Post
The way I see it in the schematic you must use one 8v for the motor supply and can use one 5v (supplying all four 5v sections) by removing L4
Tony
Yes, If you want to power V1=V2=V3=V4 from a separate 5V supply, remove only L4.

Regards,
Tibi
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Old 22nd February 2013, 07:33 PM   #103
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Quote:
Originally Posted by tvicol View Post
Yes, If you want to power V1=V2=V3=V4 from a separate 5V supply, remove only L4.

Regards,
Tibi
Awesome
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Old 22nd February 2013, 07:58 PM   #104
tvicol is offline tvicol  Romania
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Quote:
Originally Posted by tvicol View Post
Yes, If you want to power V1=V2=V3=V4 from a separate 5V supply, remove only L4.

Regards,
Tibi
I forget to mention that, in this case, to power 5V trough V4.

Regards,
Tibi
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Old 22nd February 2013, 08:15 PM   #105
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Tibi,
have you tried seperate supplies?...as if you have had the time.
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Old 23rd February 2013, 07:41 AM   #106
tvicol is offline tvicol  Romania
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Quote:
Originally Posted by buzzforb View Post
Tibi,
have you tried seperate supplies?...as if you have had the time.
First Shiga prototype was with separate supplies for each section.

Regards,
Tibi
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Old 23rd February 2013, 09:26 AM   #107
BMW850 is offline BMW850  Netherlands
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Perhaps interesting to report Mr. Jung's new shunt regulator, there is a book released where about 13 well-known regulators are tested measuring and listening test, someone already read this book?

Here you find "some info": http://www.diyaudio.com/forums/power-supplies/220734-mr-jungs-new-shunt-regulator.html

http://waltsblog.waltjung.org/

Regards,
Rudy
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Old 23rd February 2013, 10:13 AM   #108
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Quote:
Originally Posted by tvicol View Post
First Shiga prototype was with separate supplies for each section.

Regards,
Tibi
If it was in prototype and not in realeased version, I am to assume you did not think it added anything to the sound to have seperates?
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Old 23rd February 2013, 11:09 PM   #109
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With my new Blue ESR meter my BG F 2200 uF reads .01 Ohm ESR before reforming. I guess that's okay, based on what I've read.
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Old 25th February 2013, 08:11 AM   #110
tvicol is offline tvicol  Romania
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Quote:
Originally Posted by buzzforb View Post
If it was in prototype and not in realeased version, I am to assume you did not think it added anything to the sound to have seperates?
In fact it adds, but I had to jump from a 3400euro (Vienna-Acoustics) speaker set, to a 9000euro (Triangle Magellan) to get the difference.

So far the biggest Shiga improvements I found are:
- Tentlabs clock
- separate power supply for Tentlabs clock
- changing S/PDIF output resistors to Vishay VAR-Series "naked" Z-FOIL
- replacing L7808 reg with LT1086-adj. Please add a 47uF tantalum over R50
- add C11 - 1nF silver-mica

Regards,
Tibi

Last edited by tvicol; 25th February 2013 at 08:28 AM.
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