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Hypex Ncore NC122MP VS NC252MP

Verig

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Doubling the power give you 3dB that's it. lol
That's not relevant here. If you double the power of beefy enough amp then all you get is 3dB.

If you double the power of an insufficient amp you get greatly improved performance at all volume levels - that is, your speakers function like they should.
It's not a volume issue. If you need more volume you buy bigger more efficient speaker, not new amp.
 

Verig

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2x75 watt at 8 Ohm.2x125 watt at 4 Ohm,85db (true? ) sens. speakers at 3 meters and some EQ that is always needed for lows...
If the room is big enough and fully furnitured and depending the amount of correction (if filling dips which in my opinion shouldn't ),high dynamic content as classical,et, I would go for more,not as little as NC250MP but at NC500MP maybe for peace of mind.
I have NC250MP and it's enough but just barely with correction and similarly inefficient speakers. Going NC500 would do it for pretty much any (home) scenario.
You don't need to fill dips to need more power. Just bringing peaks down gives you more room to listen loud and keep it coherent and fun. --> You will listen louder --> escalating power needs.
 

terryforsythe

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Hi everyone,

I have an Audiophonics stereo Hypex Ncore NC122MP amp feeding a pair of ELAC Uni-Fi UF52. I am getting itchy about upgrading to a more powerful Hypex-based amplifier and I wonder whether there would be an obvious advantage on having the extra punch (apart from the possibility to upgrade to harder to driver speakers).

The speakers have a sensitivity of 85 dB at 2.83 v/1m and a nominal impedance of 6 Ohms. According to this article, the minimal impedance is 5.2 Ohms between 200-600 Hz.

Cheers,
Emilio.
I'm a little late to this thread. Anyway, upgrading the amplifier, without other significant modifications, probably is not going to give your speakers extra punch.

I have a pair of Elac Uni-Fi Reference UBR62 speakers, which also suffered from a lack of punch, even with nearly 400W/channel on tap. Even with a subwoofer covering the bottom end they lacked dynamics.

I took out the crossovers and inspected them. The inductors in series with my woofers have a combined DC resistance of 1.6 ohms. That results in a low damping factor, and thus a lack of dynamics in the bass. Could your speakers have the same issue? Perhaps, but I don't know.

I ended up leaving out the passive crossovers and going all active. This made a significant difference and now the speakers now have much tighter bass, e.g., more punchy. Actually, they just are much better overall, night and day difference, at least to my ear.

Not that I recommend modifying your speakers, but if you're curious why I did not just get better speakers, read the last paragraph of the first post here: https://www.audiosciencereview.com/...-fi-reference-ubr62-bookshelf-speakers.51780/
 
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