What's so special about the UcD180 implementation in the Genesis GR180 amp - diyAudio
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Old 10th October 2009, 10:38 PM   #1
NicMac is offline NicMac  Italy
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Default What's so special about the UcD180 implementation in the Genesis GR180 amp

Hi all,
Does anybody recognize the yellow PSU bypass caps used on the Hypex UcD180ST modules in the Genesis GR 180 amp? Pictures can be found on the below link:

http://www.tnt-audio.com/ampli/genesis_gr180_e.html

I'm building an amp based on the Hypex UcD180HG (with HxR regs) and I'm trying to figure out what is just so fantastic about the high current "Dynamic Power Delivery Supply system" used in this >5k$ amp based on 100$ amplifier modules.

Thanks,
Nic
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Old 10th October 2009, 11:36 PM   #2
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Nothing, it's just a big stiff power supply like any other, of course.
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Old 11th October 2009, 04:28 PM   #3
NicMac is offline NicMac  Italy
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Originally Posted by sq225917 View Post
Nothing, it's just a big stiff power supply like any other, of course.
I guess the "of course" refer to the fact that this is the way that the audio industry does things, and not that it is the best way!?
I am myself trying to put together a regulated series supply for these modules.....
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Old 11th October 2009, 11:01 PM   #4
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They are some sort of polyprop cap. Can't tell wnat brand though. Overall I'm not impressed with the parts quality in that unit!! Xicon caps and a Chineese transformer... pleeze!
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Old 12th October 2009, 09:43 AM   #5
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NicMac, no, my comment was more based on the fact that audio companies do next to nothing, then charge you an extra $5000 for the privalige. Charging what Genesis do for a $220 Hypex unit and a $150 power supply should be criminal.
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Old 12th October 2009, 03:11 PM   #6
Javin5 is offline Javin5  Switzerland
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Quote:
Originally Posted by NicMac View Post

... Does anybody recognize the yellow PSU bypass caps used on the Hypex UcD180ST modules in the Genesis GR 180 amp? Pictures can be found on the below link:

Genesis GR 180 - Hypex-equipped digital power amplifier - [English]
I can't really exactly see on the picture where the yellow caps are connected. Are you sure these are power supply bypass caps? Or could these be large film caps to replace the original coupling caps? In any case, the fix doesn't look neat. I also think, that for the price they are charging, they could at least have used 180AD instead of the ST.

Kurt
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Old 12th October 2009, 03:33 PM   #7
NicMac is offline NicMac  Italy
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Quote:
Originally Posted by Javin5 View Post
Are you sure these are power supply bypass caps? Or could these be large film caps to replace the original coupling caps?
No - I'm not sure if they are bypass or coupling caps. Would have to buy it to find out

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Originally Posted by Javin5 View Post
I also think, that for the price they are charging, they could at least have used 180AD instead of the ST.

Kurt
Yes - its pretty amazing...
But if you are not happy with it in the "standard" version you can always get an upgraded "Maximum Dynamic Headroom Reservoir" power supply, in which case you will have to spend another 5000$
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