AUDIOPHONICS LPA-S500NC Amplificateur Stéréo Class D Ncore 2x500W 4 Ohm

AUDIOPHONICS LPA-S500NC Amplificateur Stéréo Class D Ncore 2x500W 4 Ohm
Stereo amplifier based on amplification module Hypex Ncore NC502MP with RCA and XLR inputs.

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649,17 €tax excl.

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Shipping date: 19-10-2021.

Orders placed before 11AM (GMT+1) will generally be shipped the same day (working day).

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Audiophonics LPA-S500NC

Class D Stereo Amplifier Ncore 2x500W 4 Ohm

Audiophonics MPA-S252NC XLR Amplificateur Stéréo Class D Ncore 2x150W 8 Ohm

The Audiophonics LPA-S500NC is a stereo amplifier based on an amplification module Hypex Ncore NC502MP. This solution is ideal for anyone who wants to have a large power reserve (2x500W) without sacrificing sound reproduction quality. This amplifier block is suitable for demanding speakers, it can be used to sonorize large listening rooms as well as studio applications requiring large headroom without compromising the accuracy and richness of the audio message.

All components are integrated in a simple and robust 100% Aluminium housing with openings to facilitate heat dissipation. Its design also limits signal interferences for cleaner audio output.

Hypex Ncore NC502MP Amplification Board

The amplification circuit uses a Hypex Ncore NC502MP module. This is a versatile high-performance Class D amplifier which offers a tremendous power of 2x500W under a 4Ω load while taking advantage of Class D amplifiers high efficiency.

Its main characteristics are its flat frequency response regardless of load impedance, its almost frequency-independent distortion level and its ability to reject EMI interference. Its operation is based on a self-oscillating loop controlled by phase shift which does not take feedback into account except at the speaker output level.

Audiophonics MPA-S252NC XLR Amplificateur Stéréo Class D Ncore 2x150W 8 Ohm

SMPS Power Pupply

The NC502MP module also integrates its own power stage. It consists of a regulated half-bridge switching power supply (SMPS) with synchronous rectification on its main output rails. Compact, powerful and efficient, this power supply is particularly suitable to provide clean power to a Class D amplifier.

Its power supply can work with different voltages delivered by the various electrical networks, the power supply is indeed equipped with an automatic input voltage doubler. The NC502MP module also has an overload protection system.

Audiophonics MPA-S252NC XLR Amplificateur Stéréo Class D Ncore 2x150W 8 Ohm

Connectivity


LPA-S500NC Amplifier has a 3-pole stereo XLR input on Neutrik NC3FAV2 sockets as well as a stereo RCA input on Elecaudio ER-106 sockets.

Bipolar selectors allow source selection and even allow independent control of the channels.

The amplifier output is made on Elecaudio BP-209 24k gold-plated speaker terminals. They can accept bare wires, banana plugs or even spades for quick and easy connections. 

A 5-12V trigger connector in 3.5mm Jack format allows to control the automatic powering of the amplifier when integrated in a compatible system. Finally, a bistable button allows the device to be switched on and off.

Audiophonics MPA-S252NC XLR Amplificateur Stéréo Class D Ncore 2x150W 8 Ohm

Technical characteristics

Specifications
Product typeAmplifier
ClassD
Number of channelStereo (2)
Max. power (@ 1kHz, THD=1%)2x350W @ 8Ω
2x500W @ 4Ω
2x450W @ 2Ω
Input

1x Balanced Stereo XLR

1x Single Ended Stereo RCA 

OutputSpeaker terminals
Trigger5-12V
THD+N0.0018%
SNR124dB
Output noise47µV
Output impedance1.5mΩ
Frequency response10Hz - 48kHz
SensibilityMax Power at 2.35V RMS
XLR : 2x1.17V RMS
RCA : 2.35V RMS
Efficiency92%
Général
Power Supply230V / 110V (switch auto)
Matériau boîtierBrushed Aluminum
Dimensions (w/o connectors)190 x 359 x 78 mm
Net weight3010g
ColorBlack
Package1x Audiophonics LPA-S500NC XLR
1x Power Cable 1.8m
 
Data sheet
InputXLR
InputRCA
OutputSpeaker terminal
ColorBlack
Channel2 (Stereo)
ClassClass D / T
Amplifier chipHypex Ncore
Power (W)500.0
 
Delivery
We deliver all of France, and internationally.
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Average votes
5.0 / 5
4 reviews
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Note :
 5/5
Date :
buffer d'entrée du NC502MP
Pour les bricoleurs, sachez que le NC502MP est équipé par défaut d'un buffer standard TI NE5532... Bon on aurait préféré quelque chose de plus audiophile tel que le LM4562 ^^ ... si jamais cela vous tente de rajouter un autre buffer d'entrée, sachez qu'Hypex a laissé la possibilité sur le NC502MP de shunter l'AOP par défaut (via des modifications assez simples, quelques résistances -en 0603 tout de même- à enlever ou rajouter, ceci est bien décrit dans la note du produit par Hypex). A noter cependant : shunter le buffer d'entrée revient aussi à enlever 12 ou 13dB d'amplification sur la tension d'entrée, que l'on pourra compenser donc par un nouveau buffer externe à base de LM4562 par exemple ^^
 (0)
 (0)
This review has been posted for AUDIOPHONICS LPA-S500NC Amplificateur Stéréo Class D Ncore 2x500W 4 Ohm
Note :
 5/5
Date :
Un super ampli
Ampli extra, conception de qualité, ampli puissant et qui drive tout parfaitement et clairement.

Une fois qu'on installe cette bête, il ne reste plus qu'a améliorer le reste de la chaine lol (la source, le préamp, les enceintes, etc) pour pouvoir bénéficier de toute son ampleur et de toute sa qualité.

Ma seule critique est ailleurs que dans le produit : le carton de suremballage était litérallement foireux et mal scotché (1 pauvre bande de scotch qui laissait le carton entreouvert...). j'ai eu une petite frayeur que les cables en vrac dans le carton ne manquent à l'appel. Le service colissimo ne semble pas au top au vu des coups pris aussi sur les coins du carton de suremballage. Quand on a 1000 euros de commande dans un tel carton on s'attend à ce que de plus amples précautions soient prises (par l''expéditeur, par le livreur).

Sinon je le répète : le produit est fantastique et de très bonne facture par audiophonices ! vous pouvez foncer !
 (0)
 (0)
This review has been posted for AUDIOPHONICS LPA-S500NC Amplificateur Stéréo Class D Ncore 2x500W 4 Ohm
Note :
 5/5
Date :
J.S.
I was surprised how professional the ordering/shipping from France to Germany was handled by Audiophonics. Communication in English. Perfect information about state of order. Everything as it should. 5 Stars.

The packaging was functional but not as nice as you would expect it from a big high-end name. For me this is saving money at the right end, as I don't have the place to collect large boxes. 4 Stars.

The product looks much nicer in reality than on the pictures. The complete housing is made of brushed aluminium. Look and feel is solid, and everything you could expect is there. Trigger input, power switch/button at rear and front, well visible LED indication that it is switched on. The box gets warm when running a few hours but not hot. 5 Stars.

I opted for the small stereo board from Hypex because I like the small form factor and don't think a dual-mono solution would be audibly better. The final destination will be in a TV setting, but I made a sound check with my stereo.

My first impressions and comparison with a 5 year old dual-mono class A/B power amp in a 3000 Euro price range: I don't hear substantial differences. Bass is very clean and controlled. Possibly the highs sound slightly recessed on the Hypex amp compared to class A/B, but these differences are subtle and could as well be subjective. I am neither missing soundstage, nor separation or detail. Amazing for the price. 5 Stars.

Equipment: Topping D90 + A90 as source, 3 way LUA speakers (which require a bit of power).

All in all I can highly recommend the amp. Transparent and controlled sound for small money.
 (1)
 (0)
This review has been posted for AUDIOPHONICS LPA-S500NC Amplificateur Stéréo Class D Ncore 2x500W 4 Ohm
Note :
 5/5
Date :
parfait
trop tot pour le dire peut etre mais je suis content de mon achat
livraison tres rapide seulement 2 jours
le son me parait tres bien j ai gagne en ampleur et en spatialisation en hc
par contre aucune amelioration notable en hifi mais ca me surpreends pas mon integre yamaha est assez puisant en stereo
 (0)
 (0)
This review has been posted for AUDIOPHONICS LPA-S500NC Amplificateur Stéréo Class D Ncore 2x500W 4 Ohm
 
AUDIOPHONICS LPA-S500NC Amplificateur Stéréo Class D Ncore 2x500W 4 Ohm
Stereo amplifier based on amplification module Hypex Ncore NC502MP with RCA and XLR inputs.

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