The HPA-S600NC is an impressive stereo amplifier. It is designed to meet power and precision requirements.

Based on a duo of Hypex NCORE NC500 modules, this Class D amplifier benefits from a formidable efficiency thanks to a switch mode power supply unit with synchronous regulation.

Like most NCore-based amplifiers, the frequency response is independent of load and electromagnetic interference is tightly controlled, which significantly limits distortion.

The HPA-S600NC will thus be particularly appreciated in all conditions requiring a high power amplification while keeping a great neutrality in the restitution of the signal. It will find its place as well in a professional studio as in a private home.

Two NC500 mono modules

Each channel has its own high efficiency amplification circuit; low output impedance, low distortion and low noise.
Each amplification module is capable of delivering 700W at 1% THD, and the 1200W power supply allows them to simultaneously deliver 600W at 0.01% THD into 4ohm.

The internal connections are neat using large section power wires, CANARE input signal cables, and Teflon insulated speaker cables.

Audiophonics Interface Card

Both modules are driven in opposite phase, to cancel out the «Power-Supply Pumping» effect. This allows greater stability in the power supply by alternately distributing current draws on each rail, thus increasing its overall capacities.

We opted for a two stage voltage regulation in order to optimize the power supply to the OPAs and the auxiliary voltage supplied to the modules. 

A Texas Instrument LM4562 OPA per channel is used, these are very low distortion AOPs offering the greatest transparency with a very low THD. They are mounted on socket allowing their replacement if necessary

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