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Class D Switching Power Amplifiers and Power D/A conversion

Hypex Ncore
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Old 5th July 2012, 04:54 PM   #4751
barrows is offline barrows
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Join Date: Jul 2010
Yes, some terminated cables with long leads would probably be very convenient for DIYers. I know I do not have expensive crimp tools around for all the different connector combinations, and without the proper tool there is no (good) way to terminate these kinds of plugs reliably...
Old 5th July 2012, 10:37 PM   #4752
ajst2duk is offline ajst2duk  Australia
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Originally Posted by Bruno Putzeys View Post
Any more votes for this?
Yes I would be interested
Old 5th July 2012, 11:19 PM   #4753
badman is offline badman  United States
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Location: Sunny Tustin, SoCal
Couple questions relating UCD to Ncore:

1) The nCore is instrumentation input- are all the UCD similarly designed (though naturally using ICs)
2) The recommendations regarding power supplies- can you elaborate upon the 5,000uF cap value for Linear supplies? My UCD PS has quite a lot more than that (CRC with 25,000uF, .5R, 20,000uF). Sims said very good things about the low value resistor in terms of filtering, but because of the higher impedance of the supply I wanted a goodly amount of post-R storage.

"The dawn of Bose created the "Man Cave" and reduced testoterone levels worldwide by 18.5 per cent" Peteleoni
Old 6th July 2012, 06:28 AM   #4754
Halook is offline Halook  Hong Kong
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Originally Posted by Bruno Putzeys View Post
Any more votes for this?
Yes, plese.
Old 6th July 2012, 09:30 AM   #4755
Julf is offline Julf  Europe
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Location: Amsterdam, The Netherlands
Originally Posted by Bruno Putzeys View Post
Any more votes for this?
Old 6th July 2012, 01:00 PM   #4756
jacq. is offline jacq.  Canada
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Join Date: May 2004
Location: Montreal, Canada
Thumbs up Short NCore listening impression

I was invited to my verry good friend Marq the other day to audition is new set of 4 NCore used verticaly. Marq is a long time avid AUDIOPHILE and a VYNIL lover. A little more than a year ago he had made a switch from a PassLab amp to a double set of UCD400hg+xr which sounded much more alive. To his saying the difference is now just as steep with the NCore.
From my short audition all I can say is that most of the comments made here are what I heard; nice highs without being emphasize, yes a more distant sound stage but aren't all verry well regarded high end equipment do perform that way, but most of all extreme control in the bass department and on the entire audio range with dynamics galor, low level detail etc..

Basically for me it resumes to two words; CONTROL and COMPOSURE.

Gongratulation to Bruno and is team and a big cheers for is contribution to the DIY community.
Old 7th July 2012, 06:33 PM   #4757
earflappin is offline earflappin  United States
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Originally Posted by Bruno Putzeys View Post
Any more votes for this?
Old 7th July 2012, 09:43 PM   #4758
troystg is offline troystg  United States
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Location: In a dream... Please don't wake me.
Originally Posted by Bruno Putzeys View Post
Any more votes for this?
Using a pair on Ncores to bi-amp a speaker would only require one power supply so that would free up money for a Hypex DSP.....

EDIT: x2 for stereo of course....
Thinking positive doesn't make things better, it makes you a better person.
Old 8th July 2012, 12:10 AM   #4759
OllBoll is offline OllBoll  Sweden
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Join Date: Nov 2010
Originally Posted by Bruno Putzeys View Post
Any more votes for this?
I personally would have loved love that too, I made my own Y-cable but if there would have been existing I would have bought it without a thought.

The less I have to fiddle with high voltage the happier I am =)
Old 8th July 2012, 09:00 AM   #4760
Costas Coyias is offline Costas Coyias  Greece
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Join Date: Feb 2012
Bruno in Wonderland…

At hi-fi show... Bruno is standing around, talking with guests, answering their questions…

(A british, conservative, skinny, old-fashioned woman approaches the ncores stand)…
- Mr. Putzeys! Just I looked at your new amp while in operation! What the hell are all those RED lights doing in there? Are you a communist?

(A young couple passing by)…
- Darling, this is Hypex’s new amp. You won’t believe how it sounds!
- Sorry darling, this is not an amp. It’s a lamp dimmer.
- Darling, I’m serious! This is an audio amplifier of its own class!
- I said NO! It’s a lamp dimmer.
- No, it’s an amp.
- No, it’s a dimmer.
- An amp!
- A dimmer!
- Bitch…
- Idiot…
- Darling, I think you’re too persisting on something you have no idea about!
- My darling John, that little gizmo-googa-boonga-thing is small, light, cheap and cold. It’s not an amp, damn it! How many times should I tell you!
- Ok, ok. Here’s my credit card – but I beg you, use it wisely. Ok?
- Oh my darling, I love you so much! Now, just stay here with these amps. I’ll see you in a couple of hours…

(A very pretty young lady, to Mr. Putzeys)…
- Hi!
- Hello. What can I do for you?
- Well, I just thought to buy a pair of those little apms for my boyfriend, but those red lights are very annoying, sir…
- Sorry Madame, but those little things are really necessary…
- Well, I’d like to change them with some other colors, to fit with the curtains. Can you put, aaahhh let me think… oh yes! I’d like two red, two yellow, one green and three brown lights. Can you do it please?

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