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Output impedance - Wikipedia
https://en.wikipedia.org/wiki/Output_impedance#:~:text=Audio%20amplifiers.%20A%20power%20amplifier%20may%20have%20a,deliver%20its%20maximum%20amount%20of%20power%20without%20failing.
Output impedance - PS Audio
https://www.psaudio.com/pauls-posts/output-impedance/
If the input impedance of your power amplifier is 10k then the output impedance of your DAC or preamp feeding it must be at least 1k and better if it’s 100 Ohms or less. If it’s 100 Ohms you’ll only lose a tiny amount of signal at the junction between the preamp and the amp – 100th of what you are sending, just for understanding sake (not entirely accurate but you get …
Amplifier Output Impedance: The Amplifier - Bandwidth …
https://www.bandwidthaudio.com/post/amplifier-output-impedance-the-amplifier-loudspeaker-interaction
The output of the amplifier is no longer open as there is now a completed loop for current to flow. Using Ohm’s law, we can determine the current. V/R = I 5/ (2 + 16) = 0.278 Amps. Since the loop is closed and we have current flow, Ohm’s law tells us that the output impedance of our amplifier will now consume some voltage due to the current.
What is Impedance in Audio? Input and Output …
https://virtuosocentral.com/what-is-impedance-in-audio/
If your equipment outputs an audio signal, it has an output impedance. When it sends a signal to the input impedance of the other device, the goal is for it to be balanced. You’ll also hear this referred to as equal or matched impedance. Here’s an important piece of info, based on the distances that the signal has to travel.
Amplifier Output Impedance (Damping Factor) and …
https://www.audiosciencereview.com/forum/index.php?threads/amplifier-output-impedance-damping-factor-and-speakers.23968/
First note damping factor, DF, is the load impedance divided by the amplifier’s output impedance: DF = Zload / Zamp. The load is usually the speaker’s impedance, plus that of the cables, and can be quite complex. The amplifier’s output impedance is also complex, though usually smoother than a speaker’s input impedance, and rises with frequency.
Understanding Impedance - Sound on Sound
https://www.soundonsound.com/techniques/understanding-impedance
In general, amplifiers are designed to have an extremely low output impedance (usually fractions of Ohms) so that the loudspeaker impedance is significantly higher. However, the impedance of the connecting cable can also have an audible effect on the sound quality.
How to match CD player output impedance with audio ...
https://www.quora.com/How-do-I-match-CD-player-output-impedance-with-audio-amplifier-input-impedance
If an amplifier has high output impedance it will not be able to drive much of a load. With voltage amplifiers this my cause loss in long cables and the inability to drive the next amplifier, such as an audio power amp that has 22K–47K ohm input impedance. Most voltage amps have 50–600 ohms output impedance.
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