Question about recapping vintage synths and Low ESR caps

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Question about recapping vintage synths and Low ESR caps

Postby Yekuku » Mon Apr 21, 2014 9:16 pm

I am going to buy a large variety of electrolytic caps and I need some clarification, please.
When recapping vintage synths is it good to use low ESR capacitors in the power rails , or just in the power supply?
Voltage ripple should decrease when using low ESR in filter caps but what about the other electrolytics?
I have read that low esr caps should be avoided in vintage equipment, can anybody please explain why ?
thanks
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Re: Question about recapping vintage synths and Low ESR caps

Postby dstrength » Wed Apr 23, 2014 8:47 pm

Hey man, you might try heading over to the vintage synth repair group on facebook.

I asked some general power supply design questions and got a lot of good info...some on Low ESR caps. Awesome group of guys as well.
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Re: Question about recapping vintage synths and Low ESR caps

Postby Yekuku » Wed Apr 23, 2014 11:59 pm

many thanks for the heads up ;)
Very interesting group , I wish I could preview the topics there but it is not possible since I dont have a FB account.
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Re: Question about recapping vintage synths and Low ESR caps

Postby rschnier » Thu Apr 24, 2014 3:16 am

Thanks for the FB link, looks interesting
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Re: Question about recapping vintage synths and Low ESR caps

Postby dstrength » Thu Apr 24, 2014 12:15 pm

Yekuku wrote:many thanks for the heads up ;)
Very interesting group , I wish I could preview the topics there but it is not possible since I dont have a FB account.


It's worth getting an account. It's a great cross-functional group of people: synth enthusiasts, prof keyboard techs, seasoned veterans, and just very helpful, very technical group.
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