T 973manual C.qxd 8/21/2006 11:39 AM Page 6

 

9. GROUND CONNECTOR

 

The T 973 is provided with a GROUND terminal on the rear panel.

 

This terminal is connected directly to the chassis of the T 973. In

 

the event of radio hum or radio interference, this terminal can be

 

connected to a ‘true earth’ such as a copper plated rod driven

 

several feet into the ground.

 

FRONT PANEL CONTROLS

 

1. POWER SWITCH/STAND-BY LED

 

Press this button to switch the amplifier on or off. The Power LED

 

located just above the power button and Protection LED will light up.

 

After a few seconds, the Protection LED (2) will turn green, indicating

 

that the amplifier is ready for use.

 

The T 973 can also be remotely switched from On to Stand-by and

 

vice-versa using the 12V-trigger input on the back panel. For the

 

12V-trigger input to work, the T 973 must first be turned on by

 

means of the Power switch, and the switch must be left in this

 

position. Using the 12V-trigger source component, switch its 12V-

 

trigger output to on and off. The T 973’s trigger input will now

 

follow the source component’s 12V-trigger output. Ensure that the

 

Auto Trigger switch on the back panel is in the ON position and that

 

the 12V-trigger input is connected properly.

 

2. PROTECTION LED

 

The Protection LED will light up every time the amplifier is switched

 

on. After a few seconds it will turn green and the amplifier is ready

 

for operation.

 

These LEDs will also come on when one or more of the internal

 

seven amplifiers go into protect mode, but the other amplifiers will

 

continue to function so it is likely you will still hear sound.

 

When the amplifier is switched off completely from normal operation

 

by means of the power switch, the Protection LEDs will light up and

GB

will fade out in a couple of seconds.

NOTE: If you see the Protection LED light up during use, turn off the

 

amplifier immediately. Check if all speaker wires are connected

 

correctly and that none of the wires are damaged, causing a short

 

circuit. Another cause may be excessive heat build-up inside the

 

amplifier. Make sure there is adequate ventilation around the

 

amplifier and that none of its ventilation slots, top or bottom, are

 

blocked. After the amplifier has cooled down, it will function

 

normally again.

 

In case the Protection LED remains on despite the checks mentioned

 

above, turn the amplifier off and consult your NAD dealer.

 

3. SOFT CLIPPING LIGHTS

 

When the Soft Clipping circuit of the T 973 is activated the indicator

 

LED’s on the front panel will light.

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NAD T 973 owner manual Ground Connector, Power SWITCH/STAND-BY LED, Protection LED, Soft Clipping Lights
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T 973 specifications

The NAD T 973 is a sophisticated multi-channel power amplifier renowned for its performance and versatility in home theater and audio systems. Ideal for audiophiles and home cinema enthusiasts, the T 973 is designed to provide immaculate sound quality while being user-friendly and efficient.

One of the main features of the NAD T 973 is its five-channel configuration, making it suitable for a variety of audio setups, including 5.1 and even larger multi-channel systems. With a total output power of 120 watts per channel into an 8-ohm load, the amplifier is capable of delivering robust sound even in demanding environments. It also provides greater power output for lower impedance loads, ensuring clarity and detail are retained across different speaker types.

The T 973 employs NAD’s innovative PowerDrive technology, which enables the amplifier to manage varying speaker demands seamlessly. This feature ensures optimal performance through a dynamic and controlled power supply, allowing the amplifier to adjust power output based on the musical signal being reproduced. The result is a performance that captures every nuance of the audio being played, whether it’s a subtle vocal detail or an explosive film scene.

Another notable aspect of the T 973 is its impressive build quality, which reflects NAD’s commitment to excellence. The amplifier sports a solid chassis that minimizes vibrations and preserves sound integrity. This is complemented by high-quality components, including low-noise transistors and high-grade capacitors that enhance reliability and longevity while delivering audio fidelity.

For connectivity, the NAD T 973 comes equipped with multiple RCA inputs, ensuring compatibility with a range of sources such as AV receivers, CD players, and streaming devices. The amplifier also includes trigger inputs and outputs, allowing it to be integrated into larger automated home systems.

The sleek and understated design of the T 973 makes it a visually appealing addition to any audio setup. Its matte black finish and simple yet functional layout emphasize practicality while maintaining an elegant presence. Overall, the NAD T 973 stands out in the realm of multi-channel amplification, combining robust power, advanced technology, and exceptional sound quality to enhance any audio experience.
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