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Electrolytic Reliability | Vintage Stereo Restorations
https://www.qrxrestore.com/electrolytic-reliability/#:~:text=Most%20electrolytics%20that%20we%20encounter%20in%20audio%20gear,caps%20have%20a%20useful%20life%20of%202000%20hours.
Rap on Replacing Electrolytic Capacitors
https://www.nmr.mgh.harvard.edu/~reese/electrolytics/
Electrolytic power supply caps likely constitute the single worst liability in old audio, radio and test equipment. By combining small size and very low cost per unit capacitance, electrolytic capacitors (hereafter called electrolytics) are the only …
High End Audio - Electrolytic capacitors
http://tech.juaneda.com/en/articles/electrolyticcapacitors.html
There is as difference between Sprage and Black Gate than Black Gate and Elna. It is certainly the best choice on electrolytic capacitors for top end devices. Good sound for classical, baroc, jazz and modern music. Standard capacitors (like …
Electrolytic Reliability | Vintage Stereo Restorations
https://www.qrxrestore.com/electrolytic-reliability/
Since electrolytics are used throughout solid state audio circuitry for coupling between stages, when that coupling capacitance is reduced, low frequency response is rolled off. A recap brings back that full and rounded low end and is …
Are audio grade Electrolytics recommended - The Organ Forum
https://organforum.com/forums/forum/electronic-organs-midi/hammond-organs/791413-are-audio-grade-electrolytics-recommended
So I want to replace the power supply Electrolytics in both my Colonnade and my Aurora because of crackling sounds and some hum. I am wondering if I should have audio grade electrolytic capacitors for this. Unfortunately at Mouser, the audio grade electrolytics are out of stock and are not expected to arrive till at least May.
Importance of leakage current for electrolytics in audio ...
https://www.diyaudio.com/community/threads/importance-of-leakage-current-for-electrolytics-in-audio.306848/
Most well made electrolytics will have leakage far below what the datasheet says. In decoupling applications you can ignore leakage, unless the cap is faulty. Dissipation factor is important if you are going to put the cap in a high frequency SMPS. "Audio cap" is largely a marketing issue, not an engineering issue.
How to avoid a electrolytic capacitor on a (audio) signal ...
https://electronics.stackexchange.com/questions/391775/how-to-avoid-a-electrolytic-capacitor-on-a-audio-signal-path
Also, a trick--if you DID want to use polarized caps like electrolytics or tantalum, you could use two 100uF caps in series (or four 47uF caps, two parallel pairs in series), but orient the series devices in opposite directions, so their + terminals are touching each other.
Bypass electrolytic caps in audio chain? | diyAudio
https://www.diyaudio.com/community/threads/bypass-electrolytic-caps-in-audio-chain.276484/
Coupling capacitors are often small electrolytics which are OK over the whole audio range and some way above it. No need for bypassing. Decoupling capacitors may be larger electrolytics and here there could be a problem of impedance rise at higher audio frequencies (although not always).
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