AUDIOPHONICS MPA-S250NC XLR Class D Stereo Amplifier Ncore 2x250W 4 Ohm

AUDIOPHONICS MPA-S252NC XLR Class D Stereo Amplifier Ncore 2x150W 8 Ohm
The Audiophonics MPA-S250NC XLR is a stereo amplifier based on an amplification module Hypex Ncore NC252MP. This solution is ideal for anyone who wants to have a large power reserve (2x250W) without sacrificing sound reproduction quality.

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Audiophonics MPA-S250NC XLR

Class D Stereo Amplifier Ncore 2x250W 4 Ohm

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

The Audiophonics MPA-S250NC XLR is a stereo amplifier based on an amplification module Hypex Ncore NC252MP. This solution is ideal for anyone who wants to have a large power reserve (2x150W) without sacrificing sound reproduction quality. This amplifier block will be suitable for example to accompany demanding speakers, to sound large listening rooms or for studio applications requiring a 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 allows it to limit the impact of interference on the signal.

Hypex Ncore NC252MP Amplification Board

The amplification circuit uses a module Hypex Ncore NC252MP. It is a versatile, high-performance Class D amplifier. It offers a very comfortable power of 2x150W at 8Ω while taking advantage of the high efficiency of Class D amplifiers.

Its main characteristics are its flat frequency response regardless of load impedance, its almost frequency-independent level of distortion and its ability to reject EMI interference. Its operation is based on a self-oscillating loop controlled by phase shift and taking into account feedback only at the speaker output.
Audiophonics MPA-S252NC XLR Amplificateur Stéréo Class D Ncore 2x150W 8 Ohm

SMPS Power Supply

The NC252MP module also integrates the amplification stage. This consists of a regulated half-bridge switching power supply (SMPS) with synchronous rectification on the main output rails. Compact, powerful and efficient, this power supply is particularly suitable for supplying a Class D amplifier cleanly.

In addition, to offer complete compatibility with the voltages delivered by the various electrical networks, the power supply is equipped with an automatic input voltage doubler. The NC252MP module also has an overload protection system.

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

Connectivity

The MPA-S250NC amplifier has a 3-pole stereo XLR input on Neutrik NC3FAV2 sockets. The amplifier output is made on Elecaudio BP-209 24k gold-plated speaker terminals. They also accept banana plugs or forks for quick and easy connections. A 5-12V trigger connector in 3.5mm Jack format allows to control the automatic ignition of the amplifier when integrated in a compatible system. Finally, a bistable button allows the device to be switched on.

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%)2x150W @ 8Ω
2x250W @ 4Ω
2x180W @ 2Ω
Input1x Balanced Stereo XLR
OutputSpeaker terminals
Trigger5-12V
THD+N0.0015%
SNR121dB
Output noise30µV
Output impedance1.5mΩ
Frequency response10Hz - 50kHz
Efficiency92%
General
Case materialBrushed Aluminium
Dimensions141 x 357 x 65mm
Weight1860g
ColorBlack
Package1x Audiophonics MPA-S250NC XLR
1x Power cable 1.8m
 
Data sheet
InputXLR
OutputSpeaker terminal
ColorBlack
Channel2 channels (Stereo)
ClassClass D / T
Power (max)150W
 
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Average votes
5.0 / 5
6 reviews
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Note :
 5/5
Date :
Mon dernier amplificateur
Cet ampli classe D offre le meilleur de la classe A/B en termes de réalisme des timbres et des FDA en termes de détails et d'impact du grave.
Tout n'est pas parfait cependant. Les connecteurs d'enceinte, bien que de très bonne qualité, ne sont pas bien alignés et la forme du boîtier un peu étrange et peu élégante : le boitier est très long avec une toute petite façade.
Par contre la qualité sonore est vraiment exceptionnelle, il alimente sans effort mes enceintes colonnes ou bibliothèque (88db/W.m) sans chauffer. Il est aussi étonnement léger.
Je l'utilise sans pré amplificateur, directement en sortie d'un dac Topping dx3 qui me sert aussi à régler le volume. Je conseille aussi la version Xlr (câble RCA vers xlr) . Bref un ampli exceptionnel à prix raisonnable.
 (1)
 (0)
This review has been posted for AUDIOPHONICS MPA-S250NC XLR Class D Stereo Amplifier Ncore 2x250W 4 Ohm
Note :
 5/5
Date :
Very satisfied
I read a lot about Hypex NCore amp modules, and I went with this economical, pre-built module, with 12v trigger-in. I placed my order in late December, and received it about a month later, after waiting for some back-order. The sound from this amplifer, with TOPPING DX7 Pro DAC feeding the input, and B&W 685 on the output is so much better than what I had with Marantz NR1403 I used previously. There is so much more base, and everything sounds clearer, with more information. This is motivating me to consider buying a new set of speakers.
 (1)
 (0)
This review has been posted for AUDIOPHONICS MPA-S250NC XLR Class D Stereo Amplifier Ncore 2x250W 4 Ohm
Note :
 5/5
Date :
Great Sound, Great Value
Great sounding amp with great casework aesthetic. Plays reasonably loud on my Focal Aria 906 bookshelf speakers without clipping and without added distortion. High frequencies on this Hypex Ncore amp are much cleaner compared to ICEpower modules. Overall a great value and another great product from Audiophonics.
 (0)
 (0)
This review has been posted for AUDIOPHONICS MPA-S250NC XLR Class D Stereo Amplifier Ncore 2x250W 4 Ohm
Note :
 5/5
Date :
Produit d'exception à tarif raisonnable
Ampli de puissance de grande qualité, bien construit.
A l'écoute, neutralité, transparence, image stéréo en 3D.
Aucun registre n'est mis en avant, tout se déploie avec naturel et douceur.
A marier impérativement avec un pré-ampli aux qualités équivalentes et là, vous rentrez dans le vrai monde de la haute fidélité.
Se compare aisément avec des modèles Hi-End de plusieurs milliers d'euros.
Merci Audiophonics de nous proposer se genre de matériel.
 (1)
 (0)
This review has been posted for AUDIOPHONICS MPA-S250NC XLR Class D Stereo Amplifier Ncore 2x250W 4 Ohm
Note :
 5/5
Date :
Oleg
Excellent product.
Very good sound quality.
The sound is neutral, unpainted and very detailed.
There is no fatigue from sound. No excess brightness.
If someone uses RCA, you can use the wire XLR to RCA.
By sound, this low-cost power amplifier matches Class A / AB amplifiers worth more than 1,500 -2000 euros.
 (0)
 (1)
This review has been posted for AUDIOPHONICS MPA-S250NC XLR Class D Stereo Amplifier Ncore 2x250W 4 Ohm
 
AUDIOPHONICS MPA-S250NC XLR Class D Stereo Amplifier Ncore 2x250W 4 Ohm
The Audiophonics MPA-S250NC XLR is a stereo amplifier based on an amplification module Hypex Ncore NC252MP. This solution is ideal for anyone who...

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