AUDIOPHONICS PA-M250NC Amplifier Mono Class D NCore 1x250W 4 Ohm

AUDIOPHONICS PA-M250NC Amplifier Mono Class D NCore 1x250W 4 Ohm
The Audiophonics PA-M250NC incorporates a Hypex Ncore NC250MP power amplifier module. This is a solid basis to build a high-performance mono HiFi system, capable of delivering 1x250W under 4Ω.

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Shipping date: 23-09-2019.

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Audiophonics PA-M250NC

Power Amplifier NCORE 1x250W 4Ω Black

Audiophonics PAS-125NC Amplificateur de puissance

Powerfull and reliable amplifier

The Audiophonics PA-M250NC incorporates a Hypex Ncore NC250MP power amplifier module .

This is a solid base for building a high performance mono HiFi system, capable of delivering 1x250W at 4Ω.
On a single double-sided PCB it is composed of a low power supply for standby , a powerful switching power supply but especially a Class D amplification circuit extremely effective.

The amplifier used on this NC250MP module offers a high efficiency of 92% and allows it to be used for very different purposes, both for studio use and for integration into a high fidelity audio system .

The distinctive features of this amplifier are its linear frequency response regardless of the load impedance and therefore its faithful reproduction, its very low distortion but also its very low EMI radiation rate. Added to this is a professional-level signal-to-noise ratio (121dB).
The amplifier control is based on a self-oscillating phase-shift loop, taking into account the response only at the output the loudspeaker, always in an optical sound transparency.

The main SMPS power supply to the amplifier is a regulated, high power, high efficiency Half Bridge (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.
To be compatible with & nbsp; 100-120V and 200-240V supply voltages, this one is equipped with a automatic input voltage doubler.

Highlights

  • High Efficiency
  • Linear frequency response, independent of impedance
  • Low output impedance
  • Extremely low THD, independent of frequency
  • 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 quality of sound reproduction. So, they are able to deliver a clear, rich and musical sound while remaining compact.

This NCore technology combines the stability of Hypex's UcD family of amplifiers while offering lower distortion and output impedance.

Amplificateur Ncore

100% Aluminum casing

We integrate this amplifier Hypex NCore NC250MP in a housing 100% Black brushed aluminum.

This case offers an elegant finish, the thick walls give it a great resistance, allowing to protect as it must be the components.
The natural conduction of the aluminum, as well as a studied air flow, make it possible to dissipate the heat produced by the module.
Moreover, the housing is silkscreened on the facade with the logo NCore and back with the nomenclature of each port.

Its very compact format with a small width makes it possible to reduce the congestion to the maximum, thus offering high performances in a reduced 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 connections, we will note on this rear face the presence of a trigger input. & nbsp;
This input in 3.5mm Jack format allows to turn on the module with a signal of a DC voltage of 5 to 12V to synchronize it with a preamp having this type of output.
It is also possible to chain 2 amplifiers, and to turn on both simultaneously while controlling only one, the input being transformed into an output if the power button of one of the amplifiers is activated.

There is also a diode on the front panel relaying the status of the module, & nbsp; lighting up & nbsp; if & nbsp; a DC voltage is detected at the output.

Specifications

Spécifications
Type of amplifierClass D
Power1x250W 4Ω @ 1kHz THD=1%
1x130W 8Ω @1Khz THD=1%

1x 125W 4Ω @ 10Hz-20kHz THD=0.0015%
1x 65W 8Ω @ 10Hz-20kHz THD=0.0015%
THD+N0.0015%
SNR121dB
Noise30µV
Frequency response10Hz - 50kHz
Efficiency92%
Gain25.5dB
Input sensibility250W 4ohm @ 1.66V RMS
Chanels1 (Mono)
TechnologyNCore
IEC SocketELECAUDIO ES-3G - Pur Copper / Gold Plated
InputRCA Mono
Input/outputTrigger 5-12V DC
OutputSpeaker connector
General specs
Casing material100% brushed aluminium
Power SupplyMain : IEC (Included)
Trigger : Jack 3.5mm 5-12V (non Included)
ColorBlack
Dimensions28.7 x 10 x 6cm
Weight$1170g
 
Data sheet
InputRCA
OutputSpeaker terminal
ColorBlack
Channel1 channel (Mono)
ClassClass D / T
Power (max)250W
 
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Average votes
5.0 / 5
4 reviews
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Note :
 5/5
Date :
Excelent power amp in my system
I am very content with these amplifiers. The system in my living room:
Qobuz - Bluesound Node 2 - Mytek Brooklyn DAC - 2x Audiophonics PA-M250NC - 2x Mordaunt Short Performance 6 (8 Ohm). The Audiophonics PA-M250NC deliver a detailed, clear and transparent sound in my living room (appr. 5x6 m) with enough power. I like their compact design.
For a larger room more power would be welcome (Audiophonics PA-S500NC Stereo?).
 (0)
 (0)
This review has been posted for AUDIOPHONICS PA-M250NC Amplifier Mono Class D NCore 1x250W 4 Ohm
Note :
 5/5
Date :
Performances inégalées à ce prix.
J'ai d'abord eu le PA-125NC quelques jours... je l'ai trouvé si bon que je me suis dit que cela méritait d'aller plus loin, vers deux PA-M250NC.

Du côté des points négatifs, ce sont les mêmes que j'ai pu faire à leur petit frère: placement de la connectique pas idéal. De plus, vu la place libérée due à la nature mono de ce modèle, une entrée XLR symétrique aurait été plus pertinente (conformément au cahier des charges des modules Hypex).

Eh bien, ces reproches mis de côté, on est face ici à un chef d'oeuvre de conception électronique. Il faut savoir que les modules NC250MP sont ceux qui présentent le taux de distorsion le plus bas de la gamme NC-MP... C'est même incroyablement bas: THD+N à 0.0009%, de 2W à 55W / 8Ω. Pour vous donner une idée: d'autres amplis sont capables de telles prouesses, par exemple le Benchmark AHB2 à... 3000$.

La réserve en puissance est exceptionnelle, bien que c'est finalement la "propreté" du rendu qui choque le plus. Particulièrement à très fort volume, lorsque qu'on sent le son de manière physique, sans être incommodé par une distorsion harmonique désagréable. C'est assez déroutant par rapport à nombre d'amplis en classe AB qui commencent à saturer beaucoup plus tôt.

Enfin, mes blocs sont attaqués par mon RME ADI-2 DAC. L'avantage d'utiliser un tel matériel et de pouvoir régler le niveau de sortie avec une grande précision. La sensibilité d'entrée, donnée pour la puissance maximale, est de 1.66V (6.61 dBu). Je peux donc régler mon niveau de sortie sur une référence de +7dBu (1.7V), pour pouvoir piloter l'ensemble de la puissance disponible de -96 à 0db.

A recommander sans réserve! La signature sonore, droite, linéaire et totalement épurée de la moindre coloration, rebutera sans doute les "audiophiles" adeptes d'électroniques fort peu fidèles aux enregistrements!
 (1)
 (0)
This review has been posted for AUDIOPHONICS PA-M250NC Amplifier Mono Class D NCore 1x250W 4 Ohm
Note :
 5/5
Date :
Excellent appareil
J'ai été très étonné du dynamisme de ce petit appareil, qui n'a rien à envier à des appareils bien plus imposants. Analytique, aéré, et aucunement enjôleur ou clinique. En plus ça ne chauffe quasiment pas, parfait pour la multi-amplification. Pour être parfait, si vous pouviez améliorer le défaut de "ploc" à l'allumage, ou à l'extinction, sur des enceintes à très haut rendement (105 db/1/w/1m), ça s'entend quelque peu...
 (1)
 (0)
This review has been posted for AUDIOPHONICS PA-M250NC Amplifier Mono Class D NCore 1x250W 4 Ohm
Note :
 5/5
Date :
Excellent S/N Ratio
Ncore PA-M250NC is excellent S/N ratio.
 (0)
 (2)
This review has been posted for AUDIOPHONICS PA-M250NC Amplifier Mono Class D NCore 1x250W 4 Ohm
 
AUDIOPHONICS PA-M250NC Amplifier Mono Class D NCore 1x250W 4 Ohm
The Audiophonics PA-M250NC incorporates a Hypex Ncore NC250MP power amplifier module. This is a solid basis to build a high-performance mono HiFi...

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