Nord One SE NC500DM MKII Dual Mono Stereo Amp

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True Dual Mono Amplifier with 2 x Hypex NCore NC500, 2 x Hypex SMPS1200A700 PSU’s and 2 x Nord UP REV D Input Buffer Boards Board with choice of OP Amps in a Stereo Case. Rev D will also accept previous 8 pin Sparkos and Sonic Imagery OP Amps.

Switchable ON OFF DIM front LED.

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Nord One SE NC500DM MKII Dual Mono Stereo Amp


The Nord One SE UP NC500DM MKII Amplifier is our latest Stereo amp. Using Nord REV D Input Buffer Boards with high end discrete Sparkos Labs Voltage Regulators and a choice of Sparkos Labs SS2590 or the Sonic Imagery 990Enh discrete Op Amps, both run in full Class A. And offers a richer, warmer, tonally dense musical sound with greater soundstage while maintaining all the benifits of the standard amp. Superb Quality Japenese all aluminum case, solid 44mm diameter aluminum isolation feet. Patented CHK gold plated solid brass 60A binding posts, Switchcraft gold plated metal body XLR socket, Quality mains sockets and blue “Halo” illuminated front switch.


• Black or Silver Finish Stereo Case

• 2 x Hypex NCore NC500 Module

• 2 x Hypex SMPS1200A700 Power Supply

• 2 x Nord One UP REV D Input Buffer Board Choice of Sparkos 2590 or Sonic Imagery 990 Enh Op Amps + £45

• Dual Mono Design

• SNR 135dB

• Distortion: THD+N – – 0.001 % 20Hz

• Frequency Response: 0 – 50k Hz +0/-3dB

• Low Distortion: THD+N – – 0.001 % 20Hz

• High Input Impedance 51K

• Input Sensitivity 8ohm 2.52Vrms 10.24dBu

• XLR Balanced Input

• 26 dB Gain

• Ultra High Damping Factor

• High Current Output Capable of driving 2ohm for the

Most Demanding of Speakers.

550W 2ohm

700W 4ohm

400W 8ohm

• Frequency Response: 0 – 50k Hz +0/-3dB

• Case W 430mm D 335mm H 70mm

With Feet and Binding Posts W430mm D375mm H81mm

• Weight 9Kg



Hypex NCore

Our Amplifiers are powered by Hypex NCore modules. Simply put Audiophile consensus of opinion agrees these are the current best Class D modules available.

Nord UP Input Buffer Board

Class A Where it matters. The Hypex NCore is renowned as a wire with amplification reproducing what it’s fed with unfaltering accuracy and detail. The Nord UP feeds the NCore with a musical, rich tonally dense signal from its Class A Op Amps resulting in an amplifier that keeps the benefits of the Hypex NCore but adds warmth and depth.

Hypex designed the NCore NC500 with a separate input section to allow manufactures to add their own house sound via the input buffer section.

We went one step further by designing a board with the ability for you to change the sound of the amp using different Operational Amplifiers or Op Amps via an on board socket, we call it Op Amp rolling.

We start with discrete Voltage regulators from Sparkos Labs. These provide ultra low noise accurate power with very fast transient responses feeding the NC500 and the discrete Op Amps. Discrete Op Amps are used because they simply sound better. There design and size allows the use of large capacitors and high current operation not possible in IC Op Amps due to size and heat dissipation requirements.

The board uses tight tolerance metal film resistors and audiophile Polystyrene capacitors throughout the audio stages. A high quality 8 pin DIP socket is provided for easy Op Amp changing. The board is totally interchangeable with the standard Hypex board.

Op Amp Choice

All our discrete Op Amp choices run in full Class A and offer a warmer more engaging sound than the standard amp. Extra dynamics better deeper soundstage. More depth, texture and naturalness.

93% Efficiency

Whilst you should not choose an amplifier for its efficiency alone our amps are around 90% efficient at full volume. Idle power consumption is 18W compared to 150-200W for a Class A/B power amplifier. Low cost to run and wont heat your room in the summer. If you choose the 12V trigger option to power the amps on remotely from a Pre Amp the standby consumption is 0W.

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