High-performance audio brand NAD Electronics introduced a Masters Series two-channel power amplifier featuring Purifi Eigentakt technology for reasonably priced audiophile-level sound.

The NAD M23 Hybrid Digital stereo power amplifier ($3,499 suggested retail price) is available starting this month from authorized NAD dealers, the company said.

The unit is said to build on Purifi Eigentakt amplification technology first introduced in the popular NAD M33 BluOS Streaming Amplifier.

Eigentakt was developed to “nearly eliminate harmonic and intermodulation distortion and noise,” NAD said. At the same time, the load-invariant frequency response is sufficient to drive even high power-demanding loudspeakers to a higher performance level.

Cas Oostvogel, NAD’s Product Manager said, “The sonic character of the M23 is reinforced in the story told by the numbers. This is an amazingly powerful and transparent amplifier bringing new levels of refinement and dynamics at any level and sets a new benchmark for performance and value in its category.”

NAD has licensed the use of Eigentakt amplifier technology from Purifi for the Masters M23 Hybrid Digital stereo power amplifier.The technology optimizes sound for an even, wide, and load-invariant frequency response.

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Unlike most Class D amplifier designs, the M23 offers a minimum of 200 Watts per channel with strong reserves of dynamic power at lower impedances. It is capable of beyond 260 Watts dynamic power per channel even into 8 ohms, and beyond 520 Watts into 4 ohms.

The design is said to “effortlessly power any loudspeaker to live performance levels with amazing efficiency and low power consumption.”

In bridge mode the M23 will expand the power of an M33 BluOS Streaming Amplifier to create a 2 x 700 Watt system. It said to be an easy upgrade to power a system comprised of high-performance separates.

The M23 Hybrid Digital stereo power amplifier also features an ultra-high damping factor, and great stability with virtually any speaker, the company said.

The amplifier’s switch mode power supplies and Class D output stages that are designed to be very linear over a wide bandwidth and provide consistent performance into all speaker loads.

The result is tight, detailed sound, with great control, and transparency, for an audiophile-grade listening experience, NAD said.

Input/output and setup flexibility is provided through the M23’s support of RCA and XLR balanced inputs, bridge mode, three selectable gain levels, 12v trigger and auto sensing. The M23 can be used to expand the power of an M33 BluOS Streaming Amplifier or power any high-performance separates system.

The M23 cosmetic design includes an all-alloy casework with rigid panels and magnetic iso-point feet that provide a solid foundation for the multi-layer circuit board construction.

Key Features of the NAD M23 Hybrid Digital Stereo Power Amplifier include the following:

• Purifi Eigentakt amplifier technology
• Continuous Power Output: 2x200W into 8 ohms; 2x380W into 4 ohms
• Dynamic Power Output: 2x260W into 8 ohms; 2x520W into 4 ohms
• Bridged Power Output: 700W mono continuous into 8 ohms
• Virtually immeasurable noise, harmonic distortion, intermodulation distortion
• Wide, flat frequency response into any loudspeaker load
• Balanced (XLR) and single-ended (RCA) auto-sensing inputs
• Three-position adjustable gain control
• 12V trigger input

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By Greg Tarr

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