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Class D Switching Power Amplifiers and Power D/A conversion

Icepower Vs Hypex digital amplifiers. Which is best?
Icepower Vs Hypex digital amplifiers. Which is best?
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Old 26th October 2008, 01:32 PM   #1
cirrus18 is offline cirrus18  United Kingdom
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Default Icepower Vs Hypex digital amplifiers. Which is best?

In this test of various digital amplifiers 2008 - Class D Amplifier comparasion test the Icepower was bottom of the pile.
I have no idea how accurate this test was though.

I have been looking at the Hypex VCD180 HG series which offers amazingly good value for money, it also gets very good reviews.
Believe the Hypex, class-D DIY amplifier - UcD, universal class-D .


Available[/url] here, https://www.hypexshop.com

UcD180
180Wrms amplifier-module based on UCD-technology
Price: 60,00 excl. VAT

UcD supply ST
Power supply to power one or two UcD180/400's. On-board DC protection.
Price: 65,00 excl. VAT

So for only Euros 185 excluding VAT for 2 VCD180 HG modules and a power supply to power them both.
Just a little over the price for only one Icepower module.

Perhaps someone with more technical knowledge than me would like to have a look at their respective datasheets and let us have your opinions.

The Ice Power can be downloaded from here, ICEpower — Speaker Engine Solutions.The VCD180 HG from Hypex Electronics B.V..
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Old 26th October 2008, 02:14 PM   #2
calvert73 is offline calvert73  United Kingdom
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Default wrong way around!

Very odd, that test places the Hypex ahead of B&O ICE, not my impression at all, I cannot take this seriously, personal preferences are one thing but the comments made about the ICE I just dont understand. I used both as standard and have modified both to higher performance and the ICE for me sounds more real. I guess you should try both.
Forget about trying to fathom what the performance with music is like from data sheets, unless of course you're clairvoyant.

RC
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Old 27th October 2008, 12:51 AM   #3
bwaslo is offline bwaslo  United States
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Icepower Vs Hypex digital amplifiers. Which is best?
I think you still have to come up with a power transformer to make an amp with the UcDs after your 180. They don't have built-in SMPS supplies like the ICEpowers usually do and the power supply kit is the board with rectifier and filter caps.

Haven't heard the UcDs, but have heard good things about them (and their inventor has written some pretty impressive papers on the subject). I have a couple of ICEpowers and I wouldn't trade them for any class A, AB or B amps I've ever had access to.
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Old 27th October 2008, 05:02 AM   #4
dweekie is offline dweekie  United States
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Does this thread help address some of your questions?

http://www.diyaudio.com/forums/showt...hreadid=107540
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Old 27th October 2008, 10:49 AM   #5
cirrus18 is offline cirrus18  United Kingdom
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Default Re: wrong way around!

Quote:
Originally posted by calvert73
I used both as standard and have modified both to higher performance and the ICE for me sounds more real. I guess you should try both.
RC
Thank you for your reply.
I see that you prefer the ICEpower. I have been looking to see where I can buy them from with not much luck except on eBay., no guarantee or backup there.

May I ask where you bought your ICEpower modules from, price paid, and I would also be interested to know what modifications you made to both types to make them sound better. That would be most interesting. Many thanks.
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Old 27th October 2008, 05:05 PM   #6
Pano is offline Pano  United States
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Icepower Vs Hypex digital amplifiers. Which is best?
For the most part, Icepower will sell only to OEMs. Not to the end user.

For midrange, I still like the Tripath amps better, but the Icepower is hard to beat in bass. A very strong a neutral sounding amp.
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Old 28th October 2008, 06:37 AM   #7
tritosine is offline tritosine
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just looked at test measurements, UCD beats the ice in neutrality department so bad its not even funny a little bit (given i own ICE modules, unused yet though).
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Old 29th October 2008, 02:19 PM   #8
ArthurG is offline ArthurG  France
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Send a message via MSN to ArthurG Icepower Vs Hypex digital amplifiers. Which is best?
I'm not sure they address the same market. ICE modules are old tech now but they are reliable and that's why so many pro audio companies use them successfully.
On the other hand, UCD are more end user oriented. At least I've never seen it in pro audio.
Regarding sound quality, it's subjective but on the bench, UCD has better performance.
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Old 29th October 2008, 04:48 PM   #9
BWRX is offline BWRX  United States
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Quote:
Originally posted by ArthurG
ICE modules are old tech now
Old tech, eh? That depends on what you're comparing it to

These "which is best" threads are pointless because the responses you get are all subjective. If you can, listen to both for yourself. If you can't, choose the one that is most economical for you. You probably won't be disappointed either way.
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Old 29th October 2008, 08:48 PM   #10
Pano is offline Pano  United States
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Icepower Vs Hypex digital amplifiers. Which is best?
Yep - Brian said it.
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