[sdiy] Lifespan of Electrolytics?

[Joe Kramer]

Dear Paul,
    I know by experience that the Panasonic HFQ series (now FS, I believe) have fairly good audio
performance.  Do the Philips solids sound good to your ear?  If so, the extra dollars would be well
worth it.

Joe Kramer


Paul Schreiber wrote:

> About 18-20yrs TOPS for these caps. I *immediately* replace all these caps in my vintage synths.
> A great selection is found at www.digikey.com  as many older gears has axial caps. Philpis makes
> these "solid electrolyte" axials that are somewhat expensive (say $3ea) but last like 30 years.
>
> Paul S.
>
> ----- Original Message -----
> From: "Joe Kramer" <musetrap at earthlink.net>
> To: <synth-diy at dropmix.xs4all.nl>
> Sent: Monday, May 20, 2002 1:08 PM
> Subject: [sdiy] Lifespan of Electrolytics?
>
> > Hi Folks,
> >     I recently got ahold of a Tapco 4400 reverb for cheap because one channel
> > was dead.  After chasing down a handful of 4136s and systematically replacing
> > each one, I came to find that the actual problem was a bad electrolytic in the
> > signal path.  The circuit board is dated 2/17/77.  I'm guessing that several
> > more of the caps in this board are marginal.  What is the expected lifespan of
> > electrolytics, and what are the effects of old and aging ones?  Is it worth the
> > trouble going through any old gear including synths that are past, say, about
> > twenty years and giving them a electrolytic overhaul?  Anyone have firsthand
> > (or secondhand) testimonials?  Thanks.
> >
> > Regards,
> > Joe Kramer
> >
> >
> >
> >
> >
> >