NAD T 977: REFERENCE

OVERALL SPECIFICATIONS

Continuous output power  

into 8 ohms and 4 ohms 

≥7 x 140 W (ref. rated THD,  

20 Hz – 20 kHz, all channels driven)

Rated THD (250 mW to rated power,  

CCIF IMD, DIM 100)

≤0.03 % (ref. 20 Hz - 20 kHz)

Clipping power 

≥185 W (ref. 1 kHz, 1% THD)

IHF dynamic power - 8 ohms

230 W 

IHF dynamic power - 4 ohms

390 W 

IHF dynamic power - 2 ohms

450 W 

Damping factor 

>300 (ref. 8 ohms, 50 Hz and 1 kHz) 

Input sensitivity 

1.1 V (ref. rated power) 

Voltage gain 

29 dB

Signal-to-noise ratio, A- weighted

>96 dB (ref. 1 W)

>125 dB (ref. 140W)

Frequency response  

±0.2 dB (ref. 20 Hz - 20 kHz)

-3 dB at 3 Hz and 100 kHz 

Time to go to Standby mode at no input 

signal  

<30 minutes

POWER CONSUMPTION 

Rated Power

800 W (120V 60Hz, 230V 50Hz)

Standby power

<0.5 W

Idle power

 <300W

DIMENSION AND WEIGHT

Unit Dimensions (W x H x D) 

435 x 194 x 476 mm (Gross)*

17 ¹/₈ x 7 ¹¹/₁₆ x 18 ³/₄ inches

Net Weight

32.3 kg (71.2 lbs)

Shipping Weight 

36.5 kg (80.5 lbs)

* - Gross dimensions include feet, front panel button and extended speaker 

terminals.

Specifications are subject to change without notice. For updated 

documentation and features, please log on to www.NADelectronics.com for 

the latest information about T 977.

REFERENCE

SpecificationS

9

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T977_eng_OM_v04.indd   9

17/04/2012   9:28am