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Belden Audio Cables
https://www.beldencables-emea.com/en/products/pro-broadcast-products/audio_cables/index.phtml#:~:text=Standard%20analog%20audio%20cable%20impedance%20is%2045%20Ohm,100%20to%20120%20Ohm%20shielded%20twisted%20pair%20cables.
Audio Cable Impedance: Use Digital Cable for Digital ...
https://www.tvtechnology.com/news/audio-cable-impedance-use-digital-cable-for-digital-applications
The typical broadcast-quality analog audio cable has a characteristic impedance of 45 Ohms. ALMOST LIKE DC Audio cable with XLR connectors for …
What is Impedance in Audio? Input and Output …
https://virtuosocentral.com/what-is-impedance-in-audio/
Impedance When Connecting Audio Devices Such as Mixers and Microphones. When electric current travels through a conductor from one device to another, you would want to have a higher impedance at the input and a low impedance at the output. For instance, if you connect a microphone to a mixer, your microphone has an impedance of less than 200 Ohms.
Cable impedance - ePanorama.net | Audio | Video
https://www.epanorama.net/documents/wiring/cable_impedance.html
That's why the characteristic impedance of audio interconnect cables is not something most of us have anything to worry about. Normal video signal rarely exceed 10 MHz. That's about 20 meters for a wavelength. Those frequencies are getting close to being high enough for the characteristic impedance to be a factor.
Understanding Impedance - Sound on Sound
https://www.soundonsound.com/techniques/understanding-impedance
The output impedance of a device and the capacitance of its connecting cable form a simple first-order low-pass filter, producing a 6dB/octave attenuation above a certain frequency. However, you need either quite a low output impedance or quite a long high-capacitance cable to bring the turnover of this filter into the audio band.
What is Impedance, Anyway? -- Blue Jeans Cable
https://www.bluejeanscable.com/articles/impedance.htm
Choosing the Right Impedance Cable and Connectors: Fortunately, for most applications, it's very easy to choose the right impedance cable. All common home analog video standards use 75 ohm cable, as do coaxial digital audio connections. If you have balanced AES/EBU type digital audio lines, you'll want 110 ohm AES/EBU cable.
IMPEDANCE MATCHING IN AUDIO Myth or reality
http://www.townshendaudio.com/PDF/Impedance_matching%20deletraz%20paper.pdf
cable, in order to better understand how the electrical signal travels into it. As we will see later, I wasn't able – yet – to directly correlate measurements and the sound quality, but I found that when properly used, cables tend to sound the same, whatever the kind one decided to use. Matching impedance is the key subject of this article.
Is impedance matching important? : Empirical Audio
https://www.empiricalaudio.com/computer-audio/audio-faqs/should-i-match-impedances
Reactive impedance will change as a cable is lengthened. This is because it is considered a "lumped" Impedance. As the cable grows in length, R, L and C will increase and therefore X L and X C and R will increase as well. At audio frequencies, this is the primary effect. This is why minimizing cable length is always a good idea. Characteristic Impedance
Characteristic Impedance in audio cables | Audioholics ...
https://forums.audioholics.com/forums/threads/characteristic-impedance-in-audio-cables.5439/
Cable impedance really isn't that complicated. The basic equation Zo = (L/C)^1/2 allows one to calculate the characteristic impedance. At audio frequencies this is a moot point and only starts coming into play about 1/10 the wavelength. So take 1/10 (C/f) where C = 3x10^8 m/s (speed of light) and f = frequency (20kHz) and you get about 15,000 meters!
Belden Audio Cables
https://www.beldencables-emea.com/en/products/pro-broadcast-products/audio_cables/index.phtml
Standard analog audio cable impedance is 45 Ohm to 70 Ohm. This amount of potential mismatch can result in signal reflections and jitter, causing bit errors at the receiver. For this reason, Belden recommends 100 to 120 Ohm shielded twisted pair cables. Audio-Digital Cables NP 109E - Oxygen-Free, High-Conductivity, Halogen-Free:
What Is Speaker Impedance and How Does It Work? - Audiosolace
https://audiosolace.com/speaker-impedance-explained/
In technical terms, speaker impedance (and to some degree, headphones impedance) refers to the load an audio peripheral sends to a connected amplifier when in use. Note that when we are using any audio peripherals, the audio signals being sent from the audio source to the peripheral are electrical currents themselves (see “audio signal”).
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