6.2 Solving Problems

 

6 Troubleshooting

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Problem

 

Possible Cause

 

Remedy

 

 

 

 

 

No sound.

1.

Power to mixer and/or recording

1.

Switch power to mixer and/or

 

 

device is off.

 

recording device on.

 

2.

Channel or master fader on mixer

2.

Set channel or master fader on

 

 

or recording device is at zero.

 

mixer or recording device to de-

 

 

 

 

sired level.

 

3.

Microphone is not connected to

3.

Connect microphone to mixer or

 

 

mixer or recording device.

 

recording device.

 

4.

Cable connectors are seated

4.

Check cable connectors for secure

 

 

loosely.

 

seat.

 

5.

Audio cable or audio/control cable

5.

Check cables and replace damaged

 

 

is defective.

 

cable(s).

 

6.

No supply voltage.

6.

Check POWER LED. Switch power

 

 

 

 

to Remote Control Unit on.

 

 

 

 

Check audio/control cable and re-

 

 

 

 

place if necessary.

 

7.

Vacuum tube inside microphone is

7.

Contact your nearest AKG Service

 

 

defective.

 

Center.

 

8.

Fuse blown.

8.

Check POWER LED. Refer to sec-

 

 

 

 

tion 6.1 above or contact your

 

 

 

 

nearest AKG Service Center.

 

 

 

 

 

Distortion.

1.

Channel gain control on mixer set

1.

Turn gain control down CCW.

 

 

too high.

 

 

 

 

 

 

 

2.

Microphone too close to sound

2.

Move microphone further away

 

 

source.

 

from sound source.

 

3.

Microphone sensitivity set too high.

3.

Switch preattenuation pad in.

 

 

 

 

 

Crackling noises or low output.

Partial short circuits due to exces-

Place microphone in warm, dry

 

 

sive humidity.

 

room and allow to dry.

 

 

 

 

 

 

 

 

 

PERCEPTION 820 TUBE

17

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AKG Acoustics 820 manual Solving Problems

820 specifications

The AKG Acoustics 820 is a professional studio headphone that offers a blend of comfort, durability, and exceptional sound quality, making it an ideal choice for both audio engineers and musicians. Renowned for its ability to deliver accurate audio reproduction, the K820 is designed for serious listening, mixing, and recording sessions.

One of the key features of the AKG K820 is its high-performance drivers, which provide a wide frequency response, ranging from deep bass to crisp highs. This high fidelity makes it suitable for various applications, including critical listening in studios or casual listening at home. The headphones feature an open-back design, which enhances the soundstage and provides a more natural and immersive listening experience. This design reduces the feeling of isolation, allowing users to remain aware of their surroundings without compromising audio enjoyment.

Comfort is paramount when it comes to long recording or mixing sessions, and the K820 excels in this aspect. The headphones are equipped with plush ear pads and an adjustable headband that ensures a snug yet comfortable fit. This ergonomic design minimizes fatigue, enabling users to wear them for extended periods without discomfort.

Another significant characteristic is the headphone’s lightweight construction, which contributes to long-term wearability. Despite being lightweight, the K820 is built with robust materials designed to withstand the rigors of professional use. The headphones also come with a detachable cable, which not only enhances portability but also allows for easy replacement in case of damage.

The AKG Acoustics 820 headphones have a nominal impedance that makes them compatible with a wide range of devices, from professional audio interfaces to portable music players. The headphones also feature a high sensitivity rating, ensuring that they can produce loud sound levels without distortion, even when powered by lower-output devices.

In terms of aesthetics, the K820 sports a sleek and modern design, appealing to professionals and casual users alike. The matte finish and streamlined silhouette give an elegant touch, aligning with AKG’s reputation for high-quality audio products.

In summary, the AKG Acoustics 820 headphones combine advanced technologies, high comfort levels, and exceptional sound quality, making them a top choice for anyone serious about audio. Their robust build, ergonomic design, and superior audio performance position them as a reliable tool in any sound professional's arsenal.