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Old 24th December 2010, 05:43 AM   #461
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My take on the F5. The chassis is built around two Conrad heatsinks. I used R-Core transformer. The rest is as in the article.

Davide
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Old 24th December 2010, 06:35 AM   #462
EUVL is offline EUVL  Europe
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Are we not missing a link somewhere ?
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Old 24th December 2010, 08:45 AM   #463
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Sorry, here it is.

Davide
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Old 24th December 2010, 09:25 AM   #464
EUVL is offline EUVL  Europe
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The R-Core looks nice.


Patrick
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Old 24th December 2010, 08:23 PM   #465
Horio is offline Horio  United States
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Nicely done Davide. I'm curious, where did you pick up that R-Core?
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Old 24th December 2010, 10:41 PM   #466
massimo is offline massimo  Italy
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Hi Davide. I like the sides of the cabinet underneath... look like heatsinks. It's a P.S.?
Can you show us a better pic?

Merry Xmas to all!
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Old 25th December 2010, 08:52 AM   #467
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So, the box under the F5 is a DAC. It's very simple to make such a box, as on the side are just few bars with nuts in between. The nice thing is you can decide how high to have the chassis after you make everything.

For the R-core transformer, I contacted Kitamura-Kiden, but they do not sell to public, but there is a company that makes custom made transformer for them called Phenix. They speak only japanese and I understood they work only with Japanese customers.I had my Japanese colleague ordering the transformer for me. It's also not so cheap compared to the toroids available in US or Canada.

I don't know if it's normal, but the voltage with the load is a bit lower, I have 23 V instead of 24V. The bias is 1.3 A per channel.

I am not sure if the orientation of the board is optimal. I think I will also add two leds on the front and a relay to switch it on from the pre-amp (If I figure out how the solid state relay I got works).

Merry Christmas,

Davide
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Old 25th December 2010, 09:11 AM   #468
massimo is offline massimo  Italy
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Quote:
Originally Posted by Nikon1975 View Post
So, the box under the F5 is a DAC. It's very simple to make such a box, as on the side are just few bars with nuts in between. The nice thing is you can decide how high to have the chassis after you make everything.
Thank you! When you have five minutes spare, grab a camera and shot a couple of closeups: one inside and one outside, pls.
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Old 26th December 2010, 01:39 AM   #469
6L6 is online now 6L6  United States
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Quote:
Originally Posted by massimo View Post
Thank you! When you have five minutes spare, grab a camera and shot a couple of closeups: one inside and one outside, pls.
Yes! I would love to see this as well!!

It's a neat idea and looks very nice in the current photo.
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Old 26th December 2010, 06:43 AM   #470
10y is offline 10y  Italy
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Hi,

my ugs pre all inclusive version.

Needed only nice feet and a display glass with a cover.

I'm very happy, it sounds fantastic

Thanks you Nelson and Francois!

Anto
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