NAD M66 - Reference: Technical Specifications; Line In and Analog Output Specs; Balanced Input;Output Specs; Digital Input to Analog Output Specs

ENGLISH
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All specs are measured according to IHF 202 CEA 490-AR-2008 standard. THD is measured using AP AUX 0025 passive filter and AES 17 active filter.
PREAMPLIFIER SECTION
LINE IN, SINGLE-ENDED ANALOG AUDIO OUTPUT
THD (20 Hz – 20 kHz) <0.001 % at 2V out
Signal-to-Noise Ratio >105 dB (IHF; A-weighted, ref. 500 mV out, unity gain)
Channel separation
>120 dB (1 kHz)
>108 dB (10 kHz)
Input impedance (R and C) 56 kohms + 100 pF
Maximum input signal
>5.6 Vrms (ref. 1% THD)
>8 Vrms (bypass, ref. 1% THD)
Output impedance Source Z + 22 ohms
Input sensitivity 185 mV (ref. 500 mV out, Volume maximum)
Frequency response
±0.2 dB (20 Hz - 20 kHz)
±0.2 dB (bypass, 20 Hz - 80 kHz)
Maximum voltage output -IHF load
>5 V (ref. 0.1 % THD)
>10 V (bypass, ref. 0.1 % THD)
BALANCED IN, BALANCED ANALOG AUDIO OUTPUT
THD (20 Hz – 20 kHz) <0.001 % at 2V out
Signal-to-Noise Ratio >105 dB (IHF; A-weighted, ref. 500 mV out, unity gain)
Channel separation
>120 dB (1 kHz)
>120 dB (10 kHz)
Input impedance (R and C) 56 kohms + 100 pF
Maximum input signal
>5.6 Vrms (ref. 1% THD)
>8 Vrms (bypass, ref. 1% THD)
Output impedance Source Z + 22 ohms
Input sensitivity 92.5 mV (ref. 500 mV out, Volume maximum)
Frequency response
±0.2 dB (20 Hz - 20 kHz)
±0.2 dB (bypass, 20 Hz - 80 kHz)
Maximum voltage output -IHF load
>10 V (ref. 0.1 % THD)
>20 V (bypass, ref. 0.1 % THD)
DIGITAL SOURCE IN, SINGLE-ENDED ANALOG AUDIO OUTPUT
THD (20 Hz – 20 kHz) <0.0005 % at 2V out
Signal-to-Noise Ratio >108 dB (IHF; A-weighted, ref. 500 mV out, unity gain)
Channel separation
>126 dB (1 kHz)
>115 dB (10 kHz)
Input sensitivity -20.25 dBFS ref. 500 mV out (-6 dBV), Volume maximum
Frequency response ±0.2 dB (20 Hz - 20 kHz)
Maximum voltage output -IHF load >5 V (ref. 0.1 % THD)
DIGITAL SOURCE IN, BALANCED/ANALOG AUDIO OUTPUT
THD (20 Hz – 20 kHz) <0.0005 % at 2V out
Signal-to-Noise Ratio >108 dB (IHF; A-weighted, ref. 500 mV out, unity gain)
Channel separation
>126 dB (1 kHz)
>115 dB (10 kHz)
Input sensitivity -26.25 dBFS ref. 500 mV out (-6 dBV), Volume maximum
Frequency response ±0.2 dB (20 Hz - 20 kHz)
Maximum voltage output -IHF load >10 V (ref. 0.1 % THD)
LINE IN, SINGLE-ENDED SUBWOOFER OUTPUT/2SUBWOOFERS
THD (20 Hz – 20 kHz) <0.005 % at 2V out
Signal-to-Noise Ratio >80 dB (IHF; A-weighted, ref. 500 mV out, unity gain)
Output impedance 480 ohms
Maximum voltage output -IHF load >5 V (ref. 0.1 % THD)
BALANCED IN, BALANCED SUBWOOFER OUTPUT/2SUBWOOFERS
THD (20 Hz – 20 kHz) <0.005 % at 2V out
Signal-to-Noise Ratio >80 dB (IHF; A-weighted, ref. 500 mV out, unity gain)
Output impedance 480 ohms
Maximum voltage output -IHF load >10 V (ref. 0.1 % THD)
REFERENCE
SPECIFICATIONS