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Audio Cable Impedance: Use Digital Cable for Digital ...
https://www.tvtechnology.com/news/audio-cable-impedance-use-digital-cable-for-digital-applications#:~:text=The%20typical%20broadcast-quality%20analog%20audio%20cable%20has%20a,low%20frequency%20and%20it%20behaves%20almost%20like%20DC.
Audio Cable Impedance: Use Digital Cable for Digital ...
https://www.tvtechnology.com/news/audio-cable-impedance-use-digital-cable-for-digital-applications
Just as it is with video cables, audio cables have a characteristic impedance and they are also subject to the same impedance changes when poorly installed and handled. In the case of AES/EBU digital audio, the standard calls for 110-Ohm cable, although it looks much like audio cable that’s been used for decades to carry analog audio.
Cable impedance - ePanorama.net | Audio | Video
https://www.epanorama.net/documents/wiring/cable_impedance.html
An audio frequency of 20,000 Hz has a wavelength of 9,750 meters, so a cable would have to be four or five *kilometers* long before it even began to have an effect on an audio frequency. That's why the characteristic impedance of audio interconnect cables is not something most of us have anything to worry about.
Understanding Impedance - Sound on Sound
https://www.soundonsound.com/techniques/understanding-impedance
Since cable lengths between towns were comparable to the wavelength of the audio signals carried, it was important that the impedances of the sending and receiving telephone exchange equipment, along with the characteristic impedance of the cables (see 'Characteristic Impedance' box), were properly matched.
What is Impedance in Audio? Input and Output …
https://virtuosocentral.com/what-is-impedance-in-audio/
In audio devices, impedance is the measure of the resistance of a circuit to alternating current (audio signal). It’s measured in Ohms. The “Z” symbol represents impedance. All audio equipment that receives an input and has an output will have impedance measurements, namely input, and output impedances. More on that later.
Belden Audio Cables
https://www.beldencables-emea.com/en/products/pro-broadcast-products/audio_cables/index.phtml
The key difference between twisted pair specifications for digital audio cable and standard analog audio cable is the impedance specification. AES/EBU, with its broad tolerance, allows cables with impedances from 88 Ohm to 132 Ohm to be used. Standard analog audio cable impedance is 45 Ohm to 70 Ohm.
What is Impedance, Anyway? -- Blue Jeans Cable
https://www.bluejeanscable.com/articles/impedance.htm
In analog audio, particularly, impedance is basically a nonfactor--because at the relatively low frequencies involved in analog audio, and at anything approaching ordinary lengths, any reasonably designed cable will effectively "pass through" the impedance of the devices at either end--and the input and output impedances of line-level analog ...
Best audiophile cables: Facts and fictions explained ...
https://soundguys.com/best-audiophile-cables-21871/
Low impedance is the key factor of a good quality audio cable, particularly when it comes to speakers and low impedance headphones. Signal loss and filtering can occur if your cable offers a lot of electronic resistance, and particularly when that resistance changes with frequency (impedance).
Speaker cables, guitar cables and impedances.
https://www.sweetwater.com/insync/speaker-cables-guitar-cables-impedances/
Speaker cables operate in an environment that is exactly the opposite of that for instrument cables. Speaker cables connect the low impedance output of an amplifier with the low impedance of loudspeakers. Furthermore, they carry a relatively high current and voltage. Consequently, these cables aren’t very susceptible to noise from EMI but the ...
The great cable myth. – SF Guitarworks
https://sfguitarworks.com/the-great-cable-myth/
Very little current is flowing in the cable, since the guitar amp input impedance is 1-10 MΩ. For audio signals it’s the voltage that matters, not the current. Current could theoretically be reduced to zero and the signal would still be there, just pure voltage. electrons travel at the speed of light. No they don’t.
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