Use the AUX input on the stereo system correctly

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Stereo systems usually have a number of different sockets that can be used as signal inputs. One of them is the AUX input. Many do not know what can be connected to this input.

He often has problems with AUX inputs.
He often has problems with AUX inputs.

Correct use of the AUX input

Record player users repeatedly complain that their record player can be connected to the stereo system, but that it does not sound properly. This is due to the special features of the AUX input.

  • The AUX input on the stereo system is one of the few inputs that does not have a device name and that many do not know what it is used for or what it is used for. whether the term AUX is an input or an output.
  • The term AUX always belongs to an input, so it is a way of connecting a device that sends out a signal. This input is a signal input for signals that are then amplified.
  • You can connect any device that has a LINE output to the AUX input. A characteristic of these inputs is that a very high signal voltage is required. This must be between 500–750 mV. Most devices such as CD players, DVD players, many radios or sound cards can be connected here because the signal strength is right.
  • You can connect some devices such as microphones, conventional turntables for vinyl records, but also electric guitars, but at best you will be able to hear a few squeaky tones. This is due to the very low signal voltage of these devices or because special sound filters are required to make it sound reasonable.
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  • Some of these devices, especially turntables, have preamplifiers and can easily be connected to the AUX input. Test it out or refer to the instruction manual of the output device.
  • Modern devices today have the usual cinch sockets as AUX input, earlier there were DIN sockets for Tuchel plugs instead. These were available in different designs with different numbers of poles and in different sizes. In divided Germany there were different variants, which is why the use of old devices is much more difficult.

So you can connect almost all devices via the modern AUX input with cinch socket, only for turntables and microphones you often need extra inputs with phono or phono. Mic.

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