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Old 14th November 2012, 08:32 PM   #5411
Koifarm is offline Koifarm  Netherlands
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mr push pull,

I have a nice collection of speakers and amps. I do not know what the perfect sound is. I do know what i like. And i think every body has its own prefferences.

The ncores are the best amps of hypex. And if you like them that is perfect. I compare hypex amps in all the settings as possible now for several years and i like to share my own experiences. People must deceide for them selves what to use.
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Old 14th November 2012, 08:45 PM   #5412
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Quote:
Originally Posted by Koifarm View Post
A quote from audiochews:

Quick update to this thread. The other week I heard an Art Audio Quintet power amp in place of the nCore's in my system. To my surprise the Art Audio (valve amp) which outputs 30w or so really drove my speakers in a way I've not yet achieved with the nCore's. In comparison the nCore's sounded less punchy and not as enjoyable. Given all the praise that the nCore's continue to receive on various fora I can't help feeling I've got something fundamentally wrong with my build. Surely with 200w on tap and 24a peak current output the nCore's should be capable of greater slam than a 30w valve amp?

This is what i heard also on my setup. I like the sound of my fu13 2 x 20watt tube amp much more then any class D amp. Visitors at my home always ask a demonstration of the difference between the hypex amps and my tube amps and mostly they like the Fu13 as best.
I'm not one bit surprised.
like someone once put it, audio is "chasing the euphonic". there's absolutely nothing wrong with that, I do it too. but it's important to remember that maybe some other person's speakers (or other component) do the "punchiness" thing very well so that he/she doesn't have to look for an amp capable of that. the Audio Research (valves) guy from audiocircle switched from AR to NCORE.
if you're looking for corroboration, read the Genesis amp review I posted above. the ending lines confirm your impression about punchiness.

what I noticed with my UCD vs a very large class A amp (sorry, I really can't remember the brand) is that the former seemed to lack some bass. and IMO bass does have a lot to do with punchiness. btw, the comparison was done on A52s too but on another room with better acoustics. I couldn't detect any major differences. I'm sure that on better speakers there could have been other obvious differences.

please forgive me if my above posts seem off-topic, irrelevant, silly or useless.
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Last edited by mr_push_pull; 14th November 2012 at 09:01 PM.
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Old 14th November 2012, 08:51 PM   #5413
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Quote:
Originally Posted by Koifarm View Post
mr push pull,

I have a nice collection of speakers and amps. I do not know what the perfect sound is. I do know what i like. And i think every body has its own prefferences.

The ncores are the best amps of hypex. And if you like them that is perfect. I compare hypex amps in all the settings as possible now for several years and i like to share my own experiences. People must deceide for them selves what to use.
you have no reason to be defensive, I wasn't contradicting you in any way. please read my posts again and you'll see it.
but I stand by my impressions regarding the revealing capabilities of the A52s. it is a crucial point, IMO.
if you're willing to accept that I simply take no side (class D, linear, SMPS or not, Hypex or not etc) you'll see that I'm doing by best to tell things as close to how they are.
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Old 14th November 2012, 11:06 PM   #5414
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Quote:
Originally Posted by mr_push_pull View Post
...but it's important to remember that maybe some other person's speakers (or other component) do the "punchiness" thing very well so that he/she doesn't have to look for an amp capable of that.
Or it can be the opposite ? :-)
I run a very punchy and dynamic set of speakers, high efficiency (Two ways, big circular wooden spherical waves horns from 1000hz). It reveals the slightest detail like a loop and any default from previous stages can be highlighted in a very disagreeable and obvious way.
Despite this, i'm always in quest form more speed and dynamic from amps, and can't afford (on my personal taste) slow and comfortable tube amps on it.

Boring like a Ferrari driven by a limousine driver.
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Last edited by Esperado; 14th November 2012 at 11:11 PM.
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Old 15th November 2012, 12:38 AM   #5415
Face is offline Face  United States
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Quote:
Originally Posted by Koifarm View Post
A quote from audiochews:

Quick update to this thread. The other week I heard an Art Audio Quintet power amp in place of the nCore's in my system. To my surprise the Art Audio (valve amp) which outputs 30w or so really drove my speakers in a way I've not yet achieved with the nCore's. In comparison the nCore's sounded less punchy and not as enjoyable. Given all the praise that the nCore's continue to receive on various fora I can't help feeling I've got something fundamentally wrong with my build. Surely with 200w on tap and 24a peak current output the nCore's should be capable of greater slam than a 30w valve amp?

This is what i heard also on my setup. I like the sound of my fu13 2 x 20watt tube amp much more then any class D amp. Visitors at my home always ask a demonstration of the difference between the hypex amps and my tube amps and mostly they like the Fu13 as best.
It may not have anything to do with current, but how a valve amp reacts to impedance spikes at the woofer's fs and tuning frequencies. How are your woofers tuned, over or underdamped?
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Old 15th November 2012, 07:22 AM   #5416
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Quote:
Originally Posted by TheShaman View Post
In my experience, NCores are better than UCDs in bass as well. Hard-to-believe type of "better".
That's with the SMPS600 but I'm also going to try them with the Audiopower regulated SMPS (DPS-600/DA).
That is my experience as well, the bass is much better on the NC400 compared to UcD400HG. In fact I think the bass is where the difference between the two is greatest!
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Old 15th November 2012, 09:20 AM   #5417
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Originally Posted by StigErik View Post
That is my experience as well, the bass is much better on the NC400 compared to UcD400HG. In fact I think the bass is where the difference between the two is greatest!
True.dat

Glad to know me and my mates are not alone in this.

Tests where conducted in two different systems; one with ATC SCM-40s and the other with Jamo Reference 909 loudspeakers. 2-3 listeners max in each case. More is considered a crowd and not appropriate for critical listening.
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Old 15th November 2012, 10:29 AM   #5418
Omholt is offline Omholt  Norway
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If someone is hearing a big difference in the bass between UcD and nCore, my quess is that there's a good tehnicial (matching) reason for that and that is has nothing to do with quality.
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Old 15th November 2012, 11:17 AM   #5419
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Quote:
Originally Posted by Omholt View Post
If someone is hearing a big difference in the bass between UcD and nCore, my quess is that there's a good tehnicial (matching) reason for that and that is has nothing to do with quality.
And what would that be? I think you will have a hard time finding any purely technical "matching" problems with any of the two amps, since they are both having extremely low output impedance and the same frequency response.
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Old 15th November 2012, 11:44 AM   #5420
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Quote:
Originally Posted by StigErik View Post
And what would that be? I think you will have a hard time finding any purely technical "matching" problems with any of the two amps, since they are both having extremely low output impedance and the same frequency response.
I wonder too. I mean, for the basses, there is not to fear about any problem of speed. So, if the THD & IM is the same, and the damping factor too, all depend on the power supply, i believe...
Not to forget than, often we can find an improvement somewhere, when it is elsewhere. I mean, increasing the slew rate of an analog amp give often the feeling of "faster" basses, while it is in the treble that there is less distortion/harshness.
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Last edited by Esperado; 15th November 2012 at 11:52 AM.
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