NAD M2 AH, Service Manual

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ANALOG INPUT (BALANCED, SINGLE-ENDED)
Input impedance 36 kΩ//200 pF
Input sensitivity 296 mV (ref.100W)
418 mV (ref. rated power)
Maximum input level 5.6 Vrms (at -9dB level trim setting)
Frequency response (A/D Converter section) ±0.3dB (ref. 10 Hz - FS/2; FS = 48 kHz, 96 kHz, 192 kHz)
DIGITAL INPUT (COAXIAL, OPTICAL, AES/EBU)
Input impedance 75Ω (coaxial)
110Ω (AES/EBU)
Sample rate 32 kHz to 192 kHz
GENERAL SPECIFICATIONS
Continuous output power (ref. 20 Hz – 20 kHz, rated THD+N) - 8Ω ≥200W
4Ω ≥250W
2Ω ≥300W
Rated distorsion (SMPTE/CCIF IM, T.I.M distortion) <0.01% (ref. 100mW - rated power)
Rated distortion (THD+N, with AES17 and AP passive 20kHz LP filters) <0.02% (ref. 20Hz-20kHz, 100mW - rated power)
Clipping power >250W (ref. 1 kHz, 8Ω, 0.1% THD)
IHF Dynamic power - 8 Ω ≥ 300W
4 Ω ≥450W
2 Ω ≥600W
Maximum output current >27A
Signal/Noise ratio >95dB (A-weighted, ref. 1W)
>118dB (A-weighted, ref. 200W)
Damping factor >2000 (ref. 20Hz - 200Hz)
Frequency response ±0.3dB (ref. 10 Hz - FS/2; FS = 32 kHz, 96 kHz, 192 kHz)
Channel separation >90dB (ref. 10 kHz, 4Ω, 1/3 rated power)
Power Consumption
Normal operation 500W (ref. 100 - 240V AC 50/60 Hz)
Standby power <1W
Idle power <100W
DIMENSION AND WEIGHT
Dimensions (W x H x D) 435 x 133 x 454 mm (Net)
435 x 148 x 502 mm (Gross*)
Net weight 20.2 kg
Shipping weight 25.8 kg
* - Gross dimensions include feet, volume knob and extended speaker terminals.
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SPECIFICATIONS