About UCD400AD & supply HG

la1209 · 25th May 2006, 07:57 AM

Hello! I'm new in Class-D Amp. and now I plainning to build up my first Class-D amp by using 2 sets of UCD400AD, 2 sets of Hypex supply HG and 2 pcs of 390VA transformer in Mono Block!

Actually, how about the performance of Hypex suppy HG?? SInce I'm very interested in the BHC's S-F cap

Leeuwarden · 25th May 2006, 01:51 PM

Well, they sound better than the standard Hypex PS. Difficult to explain the difference: you just have to hear it.

Have you seen the MinimonO at www.speakerworld.nl ?
(>shop>speakerworld)

It takes you a step further soundwise.

la1209 · 25th May 2006, 02:32 PM

Yes, I seen before

Very nice, but I really want more powerful >200W 8ohm

Leeuwarden · 25th May 2006, 02:43 PM

Maybe you should send him a mail. I'm not certain but I heard him talk about a more powerfull version with the UcD400AD. You can always ask him if his plans are going to happen in the near future. By the way... I have heard the MinimonO and it sounds better than my UcD400AD with simple Power Supply. Sounds promising if Speakerworld would also sell the UcD400AD.

Bizarroterl · 27th May 2006, 01:39 PM

They have the entire Hypex line shown in their shop.

courage · 29th May 2006, 04:39 PM

Without an attempt to thread-jacking I have a question concerning the UCD400AD used with the UCD Supply HG, which I hope someone can answer.

The UCD Supply HG can be used to supply two UCD400 modules.
I want to use it with one UCD400 module. Does this mean that the power supply module is only used partially?

Leeuwarden · 29th May 2006, 05:06 PM

More or less... It works fine with one HG supply per UcD. It also works fine with 2 UcD's
I guess it is up to you if you want to spend the money for another HG supply and another transformer...

courage · 29th May 2006, 05:11 PM

As a matter of fact I plan to build two UCD400AD mono-amps.
My only concern is the possible waste when only using half the power supply.

My idea was to look for a tweak which enables the UCD Supply HG to be used at it's full capacity for just one UCD module.
Any suggestions?

Leeuwarden · 29th May 2006, 05:17 PM

Quote:

Originally posted by courage
My idea was to look for a tweak which enables the UCD Supply HG to be used at it's full capacity for just one UCD module.
Any suggestions?

Why? Someone explained to me: Using 40.000uF is like having a 500 litre tank in a Fiat 500 (or was it a Punto...). You are never going to use all the fuel at once, but it doesn't hurt either.

courage · 29th May 2006, 05:32 PM

I know, but guess I'd better look for an alternative, because leaving half the power supply just sitting there unused is an even greater waste, right?

25th May 2006, 07:57 AM	#1
la1209 diyAudio Member Join Date: May 2006	About UCD400AD & supply HG Hello! I'm new in Class-D Amp. and now I plainning to build up my first Class-D amp by using 2 sets of UCD400AD, 2 sets of Hypex supply HG and 2 pcs of 390VA transformer in Mono Block! Actually, how about the performance of Hypex suppy HG?? SInce I'm very interested in the BHC's S-F cap

29th May 2006, 04:39 PM	#6
courage diyAudio Member Join Date: Feb 2006 Location: Neverland	Without an attempt to thread-jacking I have a question concerning the UCD400AD used with the UCD Supply HG, which I hope someone can answer. The UCD Supply HG can be used to supply two UCD400 modules. I want to use it with one UCD400 module. Does this mean that the power supply module is only used partially? __________________ Franklin

29th May 2006, 05:11 PM	#8
courage diyAudio Member Join Date: Feb 2006 Location: Neverland	As a matter of fact I plan to build two UCD400AD mono-amps. My only concern is the possible waste when only using half the power supply. My idea was to look for a tweak which enables the UCD Supply HG to be used at it's full capacity for just one UCD module. Any suggestions? __________________ Franklin

29th May 2006, 05:32 PM	#10
courage diyAudio Member Join Date: Feb 2006 Location: Neverland	I know, but guess I'd better look for an alternative, because leaving half the power supply just sitting there unused is an even greater waste, right? __________________ Franklin

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25th May 2006, 01:51 PM	#2
Leeuwarden diyAudio Member Join Date: Nov 2002 Location: The Netherlands	Well, they sound better than the standard Hypex PS. Difficult to explain the difference: you just have to hear it. Have you seen the MinimonO at www.speakerworld.nl ? (>shop>speakerworld) It takes you a step further soundwise.

25th May 2006, 02:32 PM	#3
la1209 diyAudio Member Join Date: May 2006	Yes, I seen before Very nice, but I really want more powerful >200W 8ohm

25th May 2006, 02:43 PM	#4
Leeuwarden diyAudio Member Join Date: Nov 2002 Location: The Netherlands	Maybe you should send him a mail. I'm not certain but I heard him talk about a more powerfull version with the UcD400AD. You can always ask him if his plans are going to happen in the near future. By the way... I have heard the MinimonO and it sounds better than my UcD400AD with simple Power Supply. Sounds promising if Speakerworld would also sell the UcD400AD.

27th May 2006, 01:39 PM	#5
Bizarroterl diyAudio Member Join Date: Sep 2004 Location: SJ, CA	They have the entire Hypex line shown in their shop.

29th May 2006, 05:06 PM	#7
Leeuwarden diyAudio Member Join Date: Nov 2002 Location: The Netherlands	More or less... It works fine with one HG supply per UcD. It also works fine with 2 UcD's I guess it is up to you if you want to spend the money for another HG supply and another transformer...

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