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NAD T973 - Dynamic Impedance Handling

NAD T973
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deliver maximum performance under virtually any circumstance,
independent of the loudspeakers it is driving. The circuitry
automatically senses the impedance characteristics of the
loudspeaker and will then adjust its power supply settings to best
cope with that speci c load. PowerDrive topology is a practical
approach to enable an ampli er to easily deal with musical dynamics
and dif cult speaker loads. Thus we have the highly desirable
characteristics of high dynamic power and low impedance drive
capability in one affordable package.
NAD also takes a stand against the meaningless “brochure power”
touted by many of our competitors by offering Full Disclosure
power specs. We specify minimum continuous power, across the
entire audible range of frequencies, at rated distortion, for both 8
and 4 ohms with all channels driven simultaneously. Perhaps even
more importantly, we also specify Dynamic Power at 8, 4, and even
2 ohms, which better describes the way the ampli er will perform in
the real world, with musical signals and reactive loudspeaker loads.
But even the most carefully reported specs cannot fully describe the
sonic performance of an ampli er.
Only your own ears can  nally judge our achievement. We urge you
to listen and compare NAD to other products in its price range, and
even higher. We don’t think you’ll  nd anything that comes close
to offering the T 973’s overall musical satisfaction, well-rounded
performance, and stellar value for money.
Continuous Power, 20Hz-20kHz, all channels
driven simultaneously at 4/8Ω
Rated Distortion (THD 20Hz-20kHz)
Clipping Power (0.1% THD)
IHF dynamic headroom at 8Ω
IHF dynamic power at 8Ω
IHF dynamic power at 4Ω
IHF dynamic power at 2Ω
Damping Factor
Input Impedance
Input Sensitivity
7 x 140W (21.5dBW)
0.03%
170W (22.1dBW)
+1.4dB
230W (24dBW)
390W (26dBW)
450W (26.5dBW)
ref. 8Ω, 50Hz >300
50K
1.1V
Voltage Gain
Frequency Response
Signal/Noise Ratio
Dimensions (W x H x D)
Net Weight
Shipping Weight
29.0dB
20Hz - 20kHz +0, -0.2dB
2Hz - 100kHz -3dB
ref. 1W 95 dB
ref. rated power 125dB
17 1/8 x 7 x 17 7/8
(435 x 180 x 453mm)
68 lbs (31kg)
72 lbs (33kg)
NAD Electronics International reserves the right to change speci cations or features without notice. NAD is a registered trademark of NAD Electronics
International. All r
permission of NAD Electronics International. © 10/03 NAD Electronics International.
www.NADelectronics.com

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