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Connecting Speakers Directly to a Computer - Tom's Guide Forum
https://forums.tomsguide.com/threads/connecting-speakers-directly-to-a-computer.233184/#:~:text=Your%20speakers%20will%20have%20an%20impedance%20of%204-18,designed%20for%20probably%2010000%20Ohms.%20This%20means%20in
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.
What is Output Impedance? - Home Studio Basics
https://homestudiobasics.com/what-is-output-impedance/
Most of the cheaper headphone amps such as those that have been built into computers can have high output impedances ranging from 75 to 100 ohms. Typically, headphone impedance only ranges from 16-70 ohms. Our experiences with speakers are that we don’t just disconnect and then reconnect them while the amp is running.
Sound card impedance - PC Review
https://www.pcreview.co.uk/threads/sound-card-impedance.3864569/
audio jacks on the back of the computer, the 600 ohm ones will not give satisfying volume. So the best case scenario, is an audio jack is rated for 32 ohms. The signals like "Center/LFE" can be weaker, like 600 ohms. If you look at a datasheet for the sound chip itself, the actual output impedance of some of them, is around 1 ohm.
How could impedance damage a computer stereo output? | Tom ...
https://forums.tomsguide.com/threads/how-could-impedance-damage-a-computer-stereo-output.391059/
Impedance alone cannot damage anything, but current and voltage can. That is the reason that voltage and impedance or current and impedance are usually quoted together. It is possible that drawing too much current from the motherboard could damage it. Equally output equipment may be damaged if the input voltage is higher than specified.
Solved: Headphone impedance level - Dell Community
https://www.dell.com/community/Laptops-General-Read-Only/Headphone-impedance-level/td-p/4080263
The Microsoft Windows. Logo Program allows up to the equivalent of 100ohms in series. However, an output level of +3dBV. at the pin is required to support 300mV at the jack with a 32ohm load and 1V with a 320 ohm load. Microsoft allows device and system manufactures to limit output voltages to address EU safety.
audio - What is the impedance of the line/headphone jack ...
https://apple.stackexchange.com/questions/57186/what-is-the-impedance-of-the-line-headphone-jack-on-macbook-pro-retina
Jack type: 3.5 mm stereo Maximum output voltage: 2 VRMS (+8.24 dBu) Output impedance: < 24 Ω Frequency response: 20 Hz to 20 kHz, +0.5 dB/-3 dB Signal-to-noise ratio (SNR): > 90 dB Total harmonic distortion + noise (THD+N): < -80 dB (0.01%) Channel separation: > 75 dB
How to connect your computer audio output to your …
https://www.ramelectronics.net/howto-pc-audio.aspx
The easiest way to connect the audio output of your computer is to use the "line" output of your sound card. We recommend a stereo 3.5mm mini phone plug to dual RCA cable or mini plug to dual RCA jack adapter with a RCA jack stereo cable to go to the audio input of your sound system, such as the "aux" input.
I managed to figure out the output impedance of my MSI ...
https://www.reddit.com/r/headphones/comments/8ggokt/i_managed_to_figure_out_the_output_impedance_of/
On my x79 ud5, by default, the output impedance is 180 ohms @ 100hz. Sometimes you can lower it by configuring the drivers for headphone output. I didn't check that, but I think most people won't be doing that anyway.
[SOLVED] Impedance of earphone jack on standard PC?
https://www.linuxquestions.org/questions/linux-hardware-18/impedance-of-earphone-jack-on-standard-pc-4175536720/
There is a standard and reliable way of determine output impedance. a. Put a signal on that output b. Measure the signal level while nothing is connected to the output. c. Connect a variable resistor or a resistor bank to the output d. Decrease the resistor value until the output voltage is 50 of the original. e. The output impedance is equal to the external resistor …
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