AUDIOPHONICS MPA-S125NC XLR Stereo Class D Power Amplifier NCore 2x125W 4 Ohm

AUDIOPHONICS MPA-S75NC RCA Stereo Class D Power Amplifier NCore 2x75W 8 Ohm
XLR version of Audiophonics MPA-S125NC. A Hypex Ncore NC122MP based power amplifier. This is a solid base to build a powerful stereo HiFi system, capable of delivering 2x75W under 8Ω.

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4.9 / 5

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332,50 €tax excl.

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Shipping date: 31-01-2023.

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Audiophonics MPA-S125NC XLR

Power amplifier NCORE 2x75W 8Ω Black

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

An amplifier with solid performance

The Audiophonics MPA-S125NC incorporates a Hypex Ncore NC122MP power amplifier module.

This is a solid base to build a powerful stereo HiFi system, capable of delivering 2x75W under 8Ω.
On a single double-sided PCB it is composed of a low power supply for standby, a high-performance switching power supply but above all an extremely efficient Class D amplifier circuit.

The amplifier used on this NC122MP module offers a high efficiency of 92% and allows it to be used for very different uses, whether for studio use or to be integrated into a high fidelity audio system.

The distinctive characteristics of this amplifier are its linear frequency response whatever the load impedance and consequently its accurate restitution, its very low distortion but also its very low EMI radiation rate
The control of the amplifier is based on a self-oscillating loop with phase shift, taking into account the feedback only at the output of the loudspeaker, always with sound transparency in mind.

The main SMPS power supply to the amplifier is a regulated, high power, high efficiency half bridge converter with synchronous rectification on the main output rails. An ideal power supply to provide this Class D amplifier with the power it needs.
In order to be compatible with supply voltages of 100-120V and 200-240V, it is equipped with an automatic input voltage doubler.

POINTS CLÉS :

  • High efficiency
  • Load-independent flat frequency response
  • Low output impedance
  • Frequency-independant ultra low distorsion
  • Very low noise
Hypex NC122MP

NCore Technology

NCore amplifiers are the first Class D amplifiers to approach the performance of operational amplifiers, but also to surpass them in terms of sound reproduction quality. 
Thus, they are able to deliver a clear, rich and musical sound while remaining compact.

This NCore technology combines the stability of Hypex UcD series amplifiers with lower distortion and output impedance.

Amplificateur Ncore

100% Aluminium Housing

We integrate this Hypex NCore NC122MP amplifier in a 100% black brushed aluminum housing.

This case offers an elegant finish, the thick walls give it a great resistance, allowing it to protect components properly.
The natural conduction of aluminium, together with a studied air flow, allows the heat produced by the module to be dissipated.
In addition, the case is screen printed on the front with the NCore logo and on the back with the nomenclature of each input/output.

Its very compact format with a small width reduces space to a minimum, thus offering high performance in a small space.

This amplifier is DC pass-through , there are no decoupling capacitors at the input.
Be sure that your source is DC free before use.
The DC protection triggers at 12V DC, which is a quite high value.

In addition to the usual connection system, there is a trigger input on the rear panel. 
This 3.5mm jack input allows the module to be switched on with a DC voltage signal from 5 to 12V to synchronize it with a preamp having this type of output.
It is also possible to chain 2 amplifiers, and to switch on both simultaneously by controlling only one, the input being transformed into an output if the power button of one of the amplifiers is pressed.

Also present on the front is a diode relaying the status of the module, lighting up if a DC voltage is detected at the output.

Test Qobuz hypex PA s125 NC amp stereo Audiophonics

Discover the test by Qobuz

The MPA-S125NC (previously PA-S125NC) was the subject of a test from Qobuz.

Click here to read it.


Technical characteristics

Specifications
Amplifier typeClass D
Power2x75W 8Ω @ 1kHz THD=1%
2x125W 4Ω @1Khz THD=1%

2x 37W 8Ω @ 10Hz-20kHz THD=0.0015%
2x 62W 4Ω @ 10Hz-20kHz THD=0.0015%
THD+N0.0015%
SNR118dB
Output noise30µV
Frequency response10Hz - 50kHz
Efficiency92%
Gain25.5dB
Input sensibilityMax power at 1.17V RMS
(2x0.59V RMS)
Channels2 (Stereo)
TechnologyNCore
InputStereo XLR
Input / OutputTrigger 5-12V DC
OutputSpeaker connectors
General
Housing material100% brushed Aluminium
Power supplyMain : IEC (included cable)
Autoswitch (115 / 230V) US grid compatible
Trigger : Jack 3.5mm 12V (not included)
ColorBlack
Dimensions327 x 146 x 52mm
Weight1310g
Power cableIncluded
 
Data sheet
InputXLR
OutputSpeaker terminal
ColorBlack
StructureAluminium
Channel2 (Stereo)
ClassClass D / T
Amplifier chipHypex Ncore
Power (W)75.0
 
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Average votes
4.9 / 5
11 reviews
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Note :
 4/5
Date :
Etonnant rapport qualité prix.
Un équilibre tonal parfait (surprenant quand on sort d'amplis "classiques", toujours un peu typés), une dynamique "réaliste", une écoute très précise. Les basses sont percutantes et présentes sans abus mais manquent un peu de délié et de différenciation. Scène sonore très précise et focalisée mais manquant un peu profondeur et d'"enveloppement".
Pour l'instant associé en direct à un SMSL Su-9 avec des XLR Mogami 2549 et alimentant des Acoustic Energy Aegis Evo3 (colonnes 2,5 voies), je songe tout de même à intercaler un préampli ou essayer un autre câble pour gagner un peu en densité et améliorer la rondeur des basses.
Rapport qualité prix quand même particulièrement étonnant.
 (0)
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This review has been posted for AUDIOPHONICS MPA-S125NC XLR Stereo Class D Power Amplifier NCore 2x125W 4 Ohm
Note :
 5/5
Date :
Très bien qualité / prix
J’ai remplacer mon ampli smsl ad-18 pas cet ampli et je suis très content les basse sont plus profonde accouplée à un DAC RME adi-2 et des enceintes Dali obéron 3 le rendu est vraiment bon
 (0)
 (0)
This review has been posted for AUDIOPHONICS MPA-S125NC XLR Stereo Class D Power Amplifier NCore 2x125W 4 Ohm
Note :
 5/5
Date :
Great
Between DAC/Preamp and Triangle bookshelves. Noticeable improvement in base, soundstage, clarity and detail over similarly priced class A/B integrated amplifier.
 (1)
 (0)
This review has been posted for AUDIOPHONICS MPA-S125NC XLR Stereo Class D Power Amplifier NCore 2x125W 4 Ohm
Note :
 5/5
Date :
Beautiful sound
This is the first time I ordered this Hypex module based amplifier of Audiophonics and I don't regret it. It arrived into to a luxurious home's audiophile system and the owner (a friend of mine) was blown away by the quality and cleanness of sound. Excellent product, thank you Hypex, thank you Audiophonics.
 (1)
 (0)
This review has been posted for AUDIOPHONICS MPA-S125NC XLR Stereo Class D Power Amplifier NCore 2x125W 4 Ohm
Note :
 5/5
Date :
Excellent ampli qui malgré la faible puissance sous 8 ohm (avec une distorsion acceptable) fait bien fonctionner des SA 2K pourtant "gourmandes".
Pas de déséquilibre entre haut et bas et grande transparence.
Associé à un S.M.S.L 300, en symétrique et des câbles OYADE Explorer en HP, c'est peut être pour moi l'ampli définitif ...
 (0)
 (0)
This review has been posted for AUDIOPHONICS MPA-S125NC XLR Stereo Class D Power Amplifier NCore 2x125W 4 Ohm
 
AUDIOPHONICS MPA-S125NC XLR Stereo Class D Power Amplifier NCore 2x125W 4 Ohm
XLR version of Audiophonics MPA-S125NC. A Hypex Ncore NC122MP based power amplifier. This is a solid base to build a powerful stereo HiFi system,...

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