AUDIOPHONICS LPA-S600NC Power Amplifier NCore NC500

AUDIOPHONICS LPA-S600NC Power Amplifier
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The Audiophonics LPA-S600NC is a Class D stereo power amplifier based on two Hypex NCore NC500 modules, to meet the demands for power and precision. Housed in a compact aluminum case that's deeper than it is wide, it's easy to use in environments where space is at a premium. What's more, its architecture and design limit the length of internal connections to minimize the audio signal path.

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Shipping date: 17-04-2024.

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Audiophonics LPA-S600NC Power Amplifier Class D NCore NC500 2x600W 4 Ohm

Audiophonics LPA-S600NC : Front view

The Audiophonics LPA-S600NC is a Class D stereo power amplifier based on two Hypex NCore NC500 modules, to meet the demands for power and precision. Housed in a compact aluminum case that's deeper than it is wide, it's easy to use in environments where space is at a premium. What's more, its architecture and design limit the length of internal connections to minimize the audio signal path.

This model is aimed at audiophiles and music lovers who want to enjoy a high-performance amplification solution, with a large power reserve and the ability to reproduce music with incredible precision and richness. NCore modules are among the most rigorous Class D amplification solutions on the market, with exceptional measured performance.

What's more, these amplifier cards are combined with an excellent Hypex SMPS1200A700 high-efficiency power supply module, capable of developing significant power and delivering an extremely clean electrical signal to the amplifier modules. This allows the amplifiers to reach their full potential, without restriction.

The ensemble offers exceptional sound reproduction and can easily accompany demanding loudspeakers, for large listening rooms or studio applications requiring considerable headroom, without compromising on the precision of the audio message.

What's more, like most amplifiers based on NCore technology, frequency response is independent of load, and electromagnetic interference is rigorously controlled, drastically limiting distortion.


Audiophonics LPA-S600NC : NCore NC500 Modules

Audiophonics LPA-S600NC: Two NC500 OEM mono modules


Each channel of the Audiophonics LPA-S600NC features its own high-efficiency Hypex NCore NC500 OEM amplifier circuit with low output impedance, distortion and noise. Each amplifier module is capable of delivering 700W at 1% THD, and the 1200W power supply enables them to simultaneously deliver 600W at 0.01% THD into 4 Ohm. 

The amplifier's internal wiring and assembly have been carefully designed, using large cross-section power wires, Canare input signal cables, and PTFE-insulated loudspeaker cables.

Audiophonics LPA-S600NC: Hypex SMPS1200A700 power supply module

The SMPS1200 switched-mode power supply is an ultra-high-efficiency model capable of developing a rated power of 1200 Watts in an extremely compact footprint. It has been specifically designed and developed by Hypex to supply the 2x85V voltage required to operate the most demanding amplifier modules.

This high-quality, low-noise power supply meets the power requirements of the amplifier modules in every respect. What's more, the modules themselves have an excellent ability to reject power supply noise. As a result, the LPA-S600NC is extremely insensitive to imperfections in the power supply network and to voltage/current variations that can cause parasitic noise.

Audiophonics LPA-S600NC: Hypex power supply module

Audiophonics LPA-S600NC: Audiophonics interface board

The 2 modules are controlled in phase opposition, to cancel the "Power-Supply Pumping" effect. This makes for greater power supply stability, distributing current calls alternately on each rail, thus increasing its capacity.

We opted for a 2-level voltage regulation, to optimize the power supply to the OPAs and the auxiliary voltage supplied to the modules. One Texas Instrument LM4562 OPA is used per channel. These are low-distortion OPAs offering the highest transparency with very low THD. They are mounted on a DIP8 socket, allowing replacement if necessary.

To suit all uses, we have opted for 5 gain settings, selectable via jumper on the underside of the unit:

  • Total gain of 20dB - Maximum power reached with a 4.19V RMS signal.
  • Total gain of 26dB (default) - Maximum power reached with a 2.07V RMS signal.
  • Total gain of 32dB - Maximum power reached with a signal of 1.05Vrms
  • Total gain of 34dB - Maximum power reached with a 0.83Vrms signal
  • Bypass (buffer deactivated): In this case, the signal passes directly from the inputs to the modules, allowing the lowest possible gain of 12.5dB. This mode can be interesting when using a powerful preamplifier, capable of driving a load of 2 to 4K Ohm and reaching a voltage of 10V RMS.

Audiophonics LPA-S600NC: Connections

Designed for easy integration, the LPA-S600NC features both balanced (XLR) and unbalanced (RCA) stereo inputs. Bipolar selectors make it easy to change input sources, and even allow independent control of channels. On the output side, carbon / 24k gold-isolated BP-207 terminals (Ø5.5mm) ensure excellent connection to loudspeakers.

 

Audiophonics LPA-S600NC : Schéma connectique
1Right channel speaker output
2Left channel speaker output
3Power button
4Balanced XLR input right channel
5Right channel input selector
6Right channel single-ended RCA input
7Left channel balanced XLR input
8Left channel input selector
9Left channel single-ended RCA input
10Power connector
11Fuse

Technical characteristics

Specifications
Product typePower amplifier
Amplification typeClass D
Amplifier modules2* Hypex NCore NC500
Channels2 (Stereo)
Inputs1x RCA stereo
1x XLR 3-pin stereo balanced
TechnologyNcoreX
Output power2x500W sous 2Ω @ 1kHz THD=0.01%
2x600W sous 4Ω @ 1kHz THD=0.01%
2x300W sous 8Ω @ 1kHz THD=0.01%
THD+N @ 20Hz-20kHz, 4ΩTyp: 0.001%
Max: 0.005%
SNR135dB @ No-wt
Output noise9µV
Frequency response0Hz - 50kHz @ +0/-3dB
Gain (switchable)Bypass : 12.5dB
20dB
26dB
32dB
34dB
Efficiency (full power)92%
General
Supply voltage110-230VAC (230V default)
Max. power consumption1300W
Body materialAluminum
DimensionsExcluding terminals: 359x190x78mm
Net weight3.26kg
Package1x Audiophonics LPA-S600NC
1x Power cable
 
Data sheet
InputXLR
InputRCA
OutputSpeaker terminal
ColorBlack
Channel2 (Stereo)
ClassClass D / T
Amplifier chipHypex NCore NC500 OEM
Power (W)600.0
Remote ControlNo
 
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AUDIOPHONICS LPA-S600NC Power Amplifier Class D NCore NC500 2x600W 4 Ohm
The Audiophonics LPA-S600NC is a Class D stereo power amplifier based on two Hypex NCore NC500 modules, to meet the demands for power and...

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