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Audiophile Grade Capacitors - Analog Engineering Associates
http://aeaaudio.com/audiophile-quality-capacitors-going-beyond-the-simple-re-cap/
The best capacitor types for audio circuits are polystyrene and polypropylene. Polystyrene is the first choice, but are only available in values up to .001 uF. Above that value, polypropylene is the type of choice, with nearly the same qualities of dissipation factor (DF) and dielectric absorption (DA) as polystyrene (these are the two capacitor “qualities” that most …
How to Pick Audio Capacitors – Charrette & Beget
https://www.maxpierson.me/2009/03/17/how-to-pick-audio-capacitors/
A typical ESR for a capacitor might be .1Ohm, whereas a low ESR model might be .01ohm.Low ESR seems to be a much touted feature for audio capacitors, especially Black Gates. Since resistance is not dependent on frequency, however, I don’t understand how ESR would have any effect on distortion in the audio signal, and I doubt you’re going to ...
Sequa Corporation
Sequa Corporation comprises two discrete businesses around the aerospace and metal coating industry segments. Sequa focuses on operations with a strong technological component and holds positions of leadership in key markets served.
Capacitors in loudspeakers explained -- The Teufel Audio …
https://blog.teufelaudio.com/capacitor-in-loudspeakers-explained/
A capacitor that serves to block DC voltage from AC voltage is known as a coupling capacitor. Microphones also use coupling capacitors to block DC signals from the signal that is being recorded. While the DC signal is needed to power the microphone, only the AC signal is required in the finished audio recording. Segue to the crossover
Ceramic capacitors in audio signal paths | diyAudio
https://www.diyaudio.com/community/threads/ceramic-capacitors-in-audio-signal-paths.317685/
The subject of ceramic caps in audio must have been discussed more than once before, but I'd like to have your inputs on a specific aspect. I'm aware of the shortcomings of ceramic capacitors of high dielectric constant like the X7R types and I wouldn't consider using them in signal paths in production designs.
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