Vintage Synth Repair

To: vintagesynthrepair@yahoogroups.com
From: nik_a777@...
Date: Tue, 15 Apr 2008 10:26:32 +0000
Subject: [vintagesynthrepair] Re: Recommended caps for recapping a vintage synth

Do these caps wear out if the synth is not used? I have a synth that
hasn't been played for 20+ years, just wondering if that would
benefit from replacements. (It has a new power supply).--- In
vintagesynthrepair@yahoogroups.com, "gil_we" wrote:
>
> Thanks,
>
> I'm referring to electrolytics only.
>
>
> --- In vintagesynthrepair@yahoogroups.com, "Antoine Deschênes"
> wrote:
> >
> > In power supplies, I'd recommend Nichicon HE/UHE caps, their MTBF
is
> > much longer than most capacitors. In the signal path, people
recommend
> > poly#### film capacitors to replace electrolytics, since they're
> > non-polarized and have always good characteristics for audio. You
> > simply eliminate the need to look through tons of different types
of
>; > capactiors, there are no bad sounding film caps. There are two
common
> > types, polypropylene and polyester. Polypropylenes are said to
sound
> > better, but they start failing after 20-25 years. Polyesters don't
> > have this problem.
> >
> > 2008/4/13, gil_we :
> > > I've been so far done recapping of mainly power supply, in
analog
> >; > synthesizers. I'm no willing to start doing a full recap for a
few
> > > synths, and need to pick up the best make of caps for that
purpose.
> > >
> > > Most important is, of course, sound ! I had a bad experience
> recapping
> > > an old stereo amplifier with modern makes of caps, and noticed
some
> > > change in sound, in a bad way (it sounded thinner once I
recapped).
> > >
> > > Any suggestions ?
> > >
> > >
> > > ------------------------------------
> > >
> > > Yahoo! Groups Links
> > >
> > >
> > >
> > >
> >
> >
> > --
> > Antoine Deschênes
> >
>