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Hybrid Digital Amplification
The M27 uses the latest nCore™ amplifier technology licensed from Hypex. With nCore, Hypex has refined their UcD concept to new levels of perfection by improving the modulator for more accurate feedback subtraction and PWM generation. The all-discrete driver and output stage have also been improved for lower open-loop THD as well as lower idling losses, normally conflicting requirements with conventional IC driver circuitry. An added control loop incorporating an integrator with adaptive clipping enables 20dB more feedback to be used across the audio band because of its extremely low phase shift resulting in a dramatic reduction in distortion across the audio band. This is an amazingly powerful and transparent amplifier design that does everything well.
Fully Balanced Audio
The same efficient audio interface used by studios and professionals provides the highest level of signal integrity with the lowest noise floor. Locking connectors and special interface electronics allow long cable runs without noise pickup or signal loss. All you get is awesome sound without the possibility of noise pickup or interference.
As our most powerful amplifier ever, the M27 can pump out over 600W into difficult loads to follow complex dynamic peaks in your movies and music. Everything from rim shots to asteroid explosions sound remarkably real and immersive. The M27 has power reserves to meet the demands of the latest high-resolution digital soundtracks. Thanks to the advanced nCore amplifier technology, all this monster power comes at a lot less cost than traditional technology while delivering more power and performance.
NAD PowerDrive™ circuit delivers very high dynamic power and low impedance drive to accurately control loudspeakers, resulting in remarkably musical and relaxed sound. PowerDrive gives the M27 maximum power without the energy drain. NAD’s exclusive SoftClipping™ feature is also included to protect your speakers (and ears) from damaging clipping distortion. Control for PowerDrive is derived by sensing the average output power, applying a time constant, and then cleanly hard clipping the signal thus limiting it to the rated continuous power over a sustained load. By controlling the power envelope, maximum clean power is obtained for every operating condition.
Continuous output power into 8 Ohms and 4 Ohms
≥180W (ref. rated THD, 20Hz-20kHz, all channels driven)
THD +N (250mW to rated power, CCIF IMD, DIM 100)
≤0.005% (ref. 20Hz – 20kHz)
IHF Dynamic Power 8 Ohms
Signal/Noise Ratio, A-weighted
>94dB (ref. 1W)
>118dB (ref. rated power)
>750dB (ref. 8 Ohms, 50Hz and 1kHz)
±0.1dB (ref. 20Hz-20kHz)
-2.5dB at 3Hz and 100kHz
47 kilohm (Balanced)
23 kilohm (Single-ended)
1.3V (ref. rated power)
Time to Standby Mode at no input signal
1600W (120V 60Hz, 230V 50Hz)
Unit Dimension (WxHxD) – Gross*
435 x 156 x 380mm
17 1/8 x 6 3/16 x 15 inches
*Gross dimensions include feet, extended buttons and rear panel terminals