NAD Stereo Receiver T743 User Manual

T 743 A/V Receiver  
•5 x 50W Simultaneous Minimum Continuous Power  
into 4 / 8 ohms  
The NAD T 743 is heir to many generations of award  
winning NAD designs. This exceptional pedigree is  
evident in both the look and the feel of the T 743, and  
it is unmistakable the moment you listen. Based on the  
highly successful T 742, the T 743 boasts improvements  
in virtually every area of the receiver, for a cumulative  
effect that is fully deserving of the new model number.  
Starting with a revised heat management system that  
reduces internal operating temperatures even under the  
most severe operating conditions, the T 743 includes a  
new volume control circuit and input switching circuit that  
further reduces noise and distortion. In addition, we have  
increased the number of digital inputs and added speaker  
switching for a second pair of stereo speakers. Also new  
are the On-Screen Display, HDTV Component Video  
Switching, and an illuminated learning remote, the NAD  
HTR-2.  
•105W, 145W, 165W IHF Dynamic Power into 8, 4  
and 2 ohms, respectively  
•Dolby Digital, DTS, ProLogic II, EARS and  
Enhanced Stereo  
•5 A/V Custom Presets store unique speaker level and  
tone control settings  
•Direct access speaker level adjustment for surround,  
center and subwoofer  
• Stereo Bypass  
•NAD Soft Clipping ™  
•6 A/V Inputs, 3 with S-Video, 2 Full Tape Loops  
• Component Video, 2 Inputs and 1 Output, HDTV  
Compatible  
•2 Audio Inputs, 1 Tape Output  
•6 Digital Inputs, 4 Coaxial, 2 TOS Link  
freely assignable  
•5.1 Analogue Input (for DVD-Audio)  
•Speaker A + B switching (Speakers B stereo only)  
•2 x IR Outputs, IR Input  
Performance  
Today’s advanced surround sound receivers require  
quality in both the digital decoding stages and the  
analogue amplifying stages for the best overall  
performance. The T 743 is an excellent example of the  
NAD Design Team’s expertise in both areas.  
•2 x 12V Trigger Outputs, 12V Trigger Input  
•Preamp Outputs for all 5.1 channels (2 Subwoofers)  
•Amplifier Input for 3 amplifier channels  
•RDS FM/AM Tuner with 30 direct access presets  
•HTR-2 - 8 Device Illuminated Learning Remote with  
Macro function  
Using the latest high speed DSP technology, NAD  
was able to include the newest surround formats from  
Dolby and DTS, as well as including NAD’s own highly  
regarded music surround mode, the EARS (Enhanced  
Ambient Recovery Circuit) circuit. Unlike, the typical  
artificially enhanced DSP modes like “Club”, “Stadium”,  
and “Church”, EARS uses DSP technology to extract the  
natural ambience to create surround sound from any 2  
channel source inducing a warm natural reverberant effect  
without the artificial “BOING”. Surround processing is  
automatically detected via the digital inputs of the T 743,  
and the “highest” or most advanced form of decoding is  
switched in. Conversion of the decoded digital bitstream  
 
Power output Stereo Mode  
(8Ω within rated distortion)  
70W (18.45dBW)  
IHF dynamic power; 4Ω  
145W (21.6dBW)  
165W (22.1dBW)  
5 x 50W (16.98dBW)  
0.08%  
IHF dynamic power; 2Ω  
Simultaneous power output surround mode  
Total harmonic distortion at rated power  
IM distortion at rated power  
Damping factor 8Ω  
0.08%  
60  
Input sensitivity and impedance  
Frequency response  
400mv / 50kΩ  
5 to 20,000 Hz ±0.8dB  
>96dB  
Signal/noise ratio; ref rated power 8Ω  
Signal/noise ratio; ref 1W / 8Ω  
Remote Control  
>80dB  
Yes  
Tuner Section  
Input sensitivity Mono  
50dB Stereo:  
16.1dBf  
36.1dBf  
0.25%  
Harmonic Distortion; FM Mono  
Harmonic Distortion; FM Stereo  
Signal/noise; Mono  
0.5%  
72dB  
Signal/noise; Stereo  
66dB  
Stereo separation at 1kHz  
Frequency response; + 1.5dB  
40dB  
30Hz - 15kHz  
Video Section  
Input and output impedance  
Component Video Bandwidth  
75Ω  
50MHz  
Physical Specifications  
Dimensions (W x H x D)  
17 1/8 x 5 3/16 x 13 3/4”  
(435 x 132 x 350mm)  
Net Weight  
36 lbs (16.35kg)  
39 lbs (18.15kg)  
Shipping Weight  
 
NAD Electronics International reserves the right to change specifications or features without notice. NAD is a registered trademark of NAD Electronics  
International. All rights reserved. No part of this publication may be reproduced, stored, or transmitted in any form whatsoever without the written  
permission of NAD Electronics International. © 10/03 NAD Electronics International.  
 

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