T 973manual C.qxd 8/21/2006 11:39 AM Page 7

TROUBLESHOOTING

PROBLEM

CAUSE

SOLUTION

NO SOUND

• Power AC lead unplugged or power not

 

switched on

Check if AC lead is plugged in and power switched on

NO SOUND ON ONE CHANNEL

Speaker not properly connected or damaged.

• Check connections and speakers

 

• Input lead disconnected or damaged

• Check leads and connections

 

 

 

 

NO SOUND ON SURROUND CHANNELS

No surround mode selected

• Select a Surround Mode

 

Mono sound source

• Test system with Stereo or Dolby Surround

 

• Speakers not properly connected

material

 

• Check speakers and connections

 

• Surround volume level too low

• Increase surround volume level

 

 

 

 

NO SOUND ON CENTER CHANNEL

Speaker not connected properly

• Check speaker and connection

 

• Center volume level set too low

• Increase center volume level

 

 

 

 

WEAK BASS/ DIFFUSE STEREO IMAGE

Speakers wired out of phase

• Check connections to all speakers in the system

 

 

 

 

TEMPORARILY SWITCHES TO STANDBY, THEN

Amplifier is running too hot

• Let the amplifier cool down

SWITCHES BACK ON AUTOMATICALLY

 

 

• Remove the excessive load condition

 

 

 

• Speakers must be greater than 4 Ohms nominal

 

 

 

 

GB

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NAD T 973 owner manual Troubleshooting, Problem Cause Solution

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.