AUDIOPHONICS HPA-S600NCX Power Amplifier Class D NCore NCx500 2x600W 4 Ohm

AUDIOPHONICS HPA-S600NCX Stereo Class D Power Amplifier NCore 2x600W 4 Ohm
The Audiophonics HPA-S600NCX stereo power amplifier, an updated and improved version of the HPA-S600NC, is now equipped with Hypex NCore NCx500 amplifier modules. These provide twice the performance in terms of distortion and output impedance than the previous model.

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Shipping date: 27-02-2024.

Orders placed before 12h (GMT+1) will generally be shipped the same day (working day).

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This device is delivered by default configured for an input voltage of 230V AC. A switch on the bottom of the unit allows the use of 110V AC.

AUDIOPHONICS HPA-S600NCX

Stereo Class D Power Amplifier NCore NCx500 2x600W 4 Ohm

Audiophonics HPA-S600NCX Amplificateur de puissance stéréo Class D NCore 2x600W 4 Ohm

The Audiophonics HPA-S600NCX stereo power amplifier, an updated and improved version of the HPA-S600NC, is now equipped with Hypex NCore NCx500 amplifier modules. These provide twice the performance in terms of distortion and output impedance than the previous model. Like its predecessor, this amplifier is designed for power and precision, with a large energy reserve and a clear and transparent sound reproduction.

Embedding a pair of Hypex NCore NCx500 modules, this Class D amplifier benefits from a HYPEX high efficiency power supply unit with synchronous regulation.

Like most amplifiers based on NCore architectures, the frequency response remains independent of the load and electromagnetic interference is rigorously controlled, thus greatly limiting the level of distortion and noise.

The HPA-S600NCX will thus be particularly appreciated in all conditions requiring an important power of amplification while preserving a great neutrality in the restitution of the signal. It will find its place as well in a professional studio as in the home of a private individual within a high-fidelity audio system.

Two NCx500 OEM mono modules

Each channel of the Audiophonics HPA-S600NCX has its own Hypex NCore NCx500 high efficiency, low output impedance, distortion and noise amplifier circuit. This new module has greatly improved performance in terms of distortion and output impedance. Each amplifier module is capable of delivering 700W of power at 1% THD. The HYPEX integrated 1200W power supply allows them to simultaneously deliver 600W at 0.01% THD under 4Ω.

Special care is taken in the internal wiring and assembly of the amplifier, using heavy gauge power supply wires, Canare input signal cables, and speaker cables with PTFE insulation.

Audiophonics HPA-S600NCX Amplificateur de puissance stéréo Class D NCore 2x600W 4 Ohm
AUDIOPHONICS HPA-S600NCX Amplificateur de puissance stéréo Class D NCore 2x600W 4 Ohm

Switchable inputs on RCA and XLR connectors

This power amplifier has two RCA ports (dual mono) and two XLR ports (dual mono balanced). The RCA connectors are 24k gold plated with heat resistant plastic caps. The XLR connectors are from Neutrik and ensure a high quality design with metal locking latch and gold-plated contacts.

A two-position selector switch allows you to alternate the XLR input and the RCA input with ease. You can thus connect two different preamplifiers and alternate the input sources.

High quality banana plug compatible terminal blocks

The HPA-S600NCX has two pairs of 24-karat gold-plated speaker terminals on its rear panel. These terminal blocks are designed to receive banana plugs which they will accept up to a diameter of ⌀4mm. They will also be able to accommodate bare wires thanks to a ⌀5.3mm screw lockable slot.

Audiophonics HPA-S600NCX Amplificateur de puissance stéréo Class D NCore 2x600W 4 Ohm
Audiophonics HPA-S600NCX Amplificateur de puissance stéréo Class D NCore 2x600W 4 Ohm

5-12V Trigger

A dual trigger socket (input and output) brings the comfort of an automated switch-on sequence and allows a very complete integration within your audio installation.

The power supply is connected to an IEC14 socket with gold-plated copper contacts. The latter works with a 5x20mm 3.150A fuse (supplied and already installed).

This amplifier's trigger needs to be used with a mono trigger cable (sold separately).

Heat dissipation

Because it is capable of developing considerable power, the HPA-S600NCX will be subjected to thermal stresses during use. Heat management is a key issue in achieving a high level of sonic accuracy and keeping distortion below a controlled level.

For this reason, each amplifier module is mounted on a large heat sink and is capable of dissipating heat efficiently. Also, carefully distributed ventilation holes will promote air circulation and heat removal. These heat sinks also contribute greatly to the modern and massive aesthetics of the amplifier.

AUDIOPHONICS HPA-S700NC Amplificateur Stéréo Class D NCore 2x700W 4 Ohm

Audiophonics interface board

The 2 modules are controlled in phase opposition, to cancel the "Power-Supply Pumping" effect. This makes the power supply more stable, distributing the current draw alternately on each rail, thereby increasing its capacity.

We opted for 2-level voltage regulation, to optimise the power supply to the AOPs and the auxiliary voltage supplied to the modules.

One Texas Instrument LM4562 PDU is used per channel. These are very low distortion PDUs offering the greatest transparency with very low THD. They are mounted on a DIP8 socket, allowing them to be replaced if necessary.

To suit all uses, we have opted for 3 gain settings, selectable by jumper on the interface board.

Technical characteristics

Specifications
Product typePower amplifier
Amplification typeClass D
Amplification modules2* Hypex NCore NCX500
Channels2 (Stereo)
Inputs2* Single-ended RCA
2* Balanced 3 poles XLR
TechnologyNcore
Output power2x500W @ 2Ω, 1kHz, THD = 0.01%
2x600W @ 4Ω, 1kHz, THD = 0.01%
2x300W @ 8Ω, 1kHz, THD = 0.01%
THD+N @ 20Hz-20kHz, 4ΩTyp: 0.0006%
Max: 0.001%
SNR137dB
Output noise7µV
Frequency response0Hz - 70kHz @ +0/-3dB
TriggerInput / Output
5-12VDC
Gain (switchable)Bypass : 11.5dB
19dB
25dB
31dB
33dB
Efficiency (max power)92%
General
Supply voltage115 or 230V (selectable via a switch under the device)
Max electric consumption1300W
HousingSandblasted aluminum
DimensionsExcluding terminal blocks: 413*330*60mm
With terminal blocks: 413*360*60mm
Weight5.66kg
Package1x Audiophonics HPA-S600NCX
1x Power cable
 
Data sheet
InputRCA
InputXLR
OutputSpeaker terminal
ColorBlack
Channel2 (Stereo)
ClassClass D / T
Amplifier chipHypex Ncore
Power (W)600.0
Remote ControlNo
 
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Average votes
5.0 / 5
4 reviews
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Note :
 5/5
Date :
Great amp, Great company
Needed more headroom for my Arendal 1723 monitor s speakers. Tried Fosi ZA3 300 watts per channel using monoblocs and sound improved significantly. Decided to jump to 600 watts per channel and landed on your website. Now I’m where I need to be. I was concerned about ordering from USA but pleasantly surprised when my order arrived within 3 days! Shipping was even faster than ordering in US. Build quality is fantastic and sound keeps improving with break in. This is the last amp you will need if you’re looking for more power to drive speakers with lower sensitivity. All the nuances in the recording can now be heard at volume levels that are not ear splitting. Thanks for a great product and great buying experience..
 (0)
 (0)
This review has been posted for AUDIOPHONICS HPA-S600NCX Power Amplifier Class D NCore NCx500 2x600W 4 Ohm
Note :
 5/5
Date :
Top
Really the precision, control and power is out of this world. The only problem I have is that the 12V trigger in/outs accept only mono 3.5 jacks, if you try to use stereo jack it creates ground loop problems. This was not a problem with the nc502mp aps that I have.
 (0)
 (0)
This review has been posted for AUDIOPHONICS HPA-S600NCX Power Amplifier Class D NCore NCx500 2x600W 4 Ohm
Note :
 5/5
Date :
a real beast
Hypex NCX500 doesn't need any presentation about its quality....
this amplifier is really well built more than what's visible from site images. Bindings are really well done.
The only note is about OPA: perhaps a couple of OPA1612 would like to be a fantastic upgrade.
Super suggested buy!!!
 (3)
 (0)
This review has been posted for AUDIOPHONICS HPA-S600NCX Power Amplifier Class D NCore NCx500 2x600W 4 Ohm
Note :
 5/5
Date :
Fantastic!
This power amp is just absolutely fantastic! The build quality is much nicer in real life than what the pictures can express! I picked this NCx500 based version over the Purifi 1ET400A, because the Hypex module is more or less exactly the same module, but improved on. The sound quality is amazing, the power and control is almost unimaginable! I can highly recommend!
 (2)
 (0)
This review has been posted for AUDIOPHONICS HPA-S600NCX Power Amplifier Class D NCore NCx500 2x600W 4 Ohm
 
AUDIOPHONICS HPA-S600NCX Power Amplifier Class D NCore NCx500 2x600W 4 Ohm
The Audiophonics HPA-S600NCX stereo power amplifier, an updated and improved version of the HPA-S600NC, is now equipped with Hypex NCore NCx500...

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