Operating Instructions

Listening to your CD player, tape deck, tuner or other source

1.Turn Volume control to minimum level and press the flat Power switch to turn on the amplifier. The power indicator lights blue and the protection circuitry checks for short circuit or other problems for a few seconds before sound output.

2.Press ”Speaker 1” to hear loudspeakers connected to the rear Speakers 1 terminals. Press ”Speaker 2” to hear loudspeakers connected to the rear Speakers 2 terminals. Press both to hear both speaker pairs at once. To listen to headphones only, press to turn off any active speaker pair.

3.Select desired source for listening by pressing the front panel Source up or down repeatedly until the name of the source is shown in the Main Information Display or by pressing the desired Source button on the remote control.

4.Begin playing the desired source.

5.Adjust the Volume control to the desired level.

6.Adjust Bass, Treble and Balance controls as desired (the Source Direct function must be turned off). To adjust the bass level, press the Mode Button twice so that the Main Informa- tion Display shows BASS 0dB. By turning the Volume Button to the right, the bass level will increase, turning the Volume Button left will decrease the bass level.

Once the desired bass level has been set, press the Mode Button to set the requested level for the treble. The Main Information Display will show TREBLE 0dB. By turning the Volume Button to the right, the treble level will increase, turning the Volume Button left will decrease the treble level.

Once the desired treble level has been set, press the Mode Button to set the requested level for the balance. The Main Information Display will show BALANCE 0. By turning the Volume Button to the right, the balance will move to the right speaker, turning the Volume Button left will move the balance to the left speaker.

Press the Mode Button again to return the the normal volume indication.

7.Press ”Source Direct” until the the Main Infor- mation Display shows DIRECT ON to bypass the tone control to ensure purest

sound performance. Press again to turn the bypass function off and to make the tone and balance controls function again.

Making a recording

You may record any source to tape or to CD-R or to both simultaneously. You may also connect a second tape deck to the CDR inputs and outputs to record from tape to tape (in either direction).

To select the desired source for recording (this can be a different source than the one being listened to), press the Record Source Selector up or down button on the front panel repeatedly until the indicator for the name of the source to be recorded is shown in the Main Information Display.

NOTE: The record output signal is taken directly from the program source and is unaffected by the Volume, Bass, Treble or Balance controls.

Important Notes:

•The functions ”Source Direct” and ”Record Source” can be selected on the front panel only, not from the remote control.

•3-head cassette decks with monitoring func- tion can be connected to ”Tape” or ”CDR” connectors too, but their monitoring function cannot be used.

Troubleshooting

This unit is designed for trouble-free operation; most problems users encounter are due to operating errors. So if you have a problem, first check this list for a possible solution. If the problem persists, consult your authorized Harman Kardon service center.

If the problem is...

Make sure that...

No lights illuminate when power cord is plugged into AC outlet.

• The unit is plugged into a live outlet.

 

 

No sound is heard.

• Speaker switches corresponding to the desired speakers are pressed.

 

• Correct source button has been pressed.

 

• Volume is turned up.

 

• Speaker wires are connected properly.

 

• Hook-up wires to source component are connected properly.

 

 

Sound is not heard from the speaker system on one side.

• The speaker wires and connection wires are connected correctly.

 

• Set the balance setting to 0

 

 

When listening to stereo sound, the left and right sounds are reversed.

• The speaker wires are connected correctly.

 

• The wires between components are connected correctly.

 

 

Intermittent or continuous buzzing or hissing.

• The unit is away from fluorescent lights, TV, motors and other electrical appliances.

 

 

The remote control and front panel controls don't appear to work.

• Disconnect the AC line cord from the wall socket, wait 5 minutes and then re-connect it.

 

 

Humming noise when listening to LP

• Ground wire from record player has been connected to ground terminal on amplifier.

 

• Cable from record player is away from power cords and speaker cables.

Howl or ringing when listening to LP.

• Record player is not to close to speakers.

 

• Record player is on stable surface.

Low sound level when listening to LP.

• Cable from record player is connected to the Phono jacks.

 

• The phono cartridge is MM, not MC.

 

 

OPERATING / TROUBLESHOOTING 7

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Harman-Kardon HK 970 Operating Instructions, Troubleshooting, Making a recording, If the problem is Make sure that
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HK 970 specifications

The Harman-Kardon HK 970 is a high-performance integrated amplifier that exemplifies the brand’s commitment to delivering exceptional sound quality and sophisticated design. As part of Harman Kardon’s renowned lineup, the HK 970 is engineered for audiophiles who seek a powerful and versatile audio solution to complement their home entertainment systems.

One of the standout features of the HK 970 is its robust amplification capabilities. It boasts a powerful output of 130 watts per channel into 8 ohms, ensuring that even the most demanding speakers are driven with ease. This amplifier utilizes a high-current design, which allows it to deliver clean and dynamic audio across a wide frequency range. Whether it’s nuanced vocals or thundering bass lines, the HK 970 ensures every detail is reproduced with clarity and precision.

The HK 970 is equipped with a variety of connectivity options, making it highly versatile for different audio setups. It features multiple line-level inputs, including phono, which is essential for vinyl enthusiasts wanting to connect turntables. Additionally, the amplifier includes both digital optical and coaxial inputs, allowing users to easily connect modern digital devices like televisions and CD players for high-quality sound playback.

Harman Kardon has incorporated advanced technologies into the HK 970 that enhance its audio performance. The amplifier employs a patented low-noise power supply design, which reduces distortion and enhances overall sound fidelity. Furthermore, it features Harman Kardon’s proprietary “GreenEdge” technology, which ensures energy efficiency without compromising performance. This not only helps in reducing the carbon footprint but also keeps operating temperatures low for prolonged use.

In terms of user experience, the HK 970 is thoughtfully designed with an intuitive front panel and a remote control that provides easy navigation through its settings. The sophisticated, understated aesthetics of the amplifier, combined with a high-quality build, make it a beautiful addition to any audio setup.

Overall, the Harman-Kardon HK 970 embodies excellence in design, performance, and flexibility. With its powerful amplification, a wide variety of inputs, and advanced sound technologies, it caters to both casual listeners and serious audiophiles alike.
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