[Jukebox-list] Explosions-was-electrolytic caps
dave.halford at telent.com
dave.halford at telent.com
Mon Feb 4 00:51:51 PST 2008
Had one let go when I was at college a long, long time ago.
We'd built this little radio bug and we were sat in the car with it on the
dash when one of the caps let go - got car full of white smoke and gunk
sprayed everywhere.
regards
Dave H
Ron Rich
<ronnnrich at yahoo.com> To: Jukebox mailing list <jukebox-list at lists.netlojix.com>
Sent by: cc:
jukebox-list-bounces at lists.n Subject: Re: [Jukebox-list] Explosions-was-electrolytic caps
etlojix.com
01/02/2008 21:11
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Speaking of "spectacular explosions", has any one ever seen a "paper", or
"tubular" condenser explode ? I once saw the .1 on the front of a Seeburg
mech blow up, and I have seen a couple of mech covers damaged by that
happening--but never anything else. Ron Rich
Jay Hennigan <jay at west.net> wrote: CASWELL CIVIL & LANDSCAPE wrote:
> Hi, Looking at recapping an amp for the first time and need some help. My
concern is with identifying the pos and neg on the electrolytic caps. Some
have no markings and others have a solid black line at one end.( I assume
this is the neg end but would rather be safe than sorry) The amp is out of
a 148 trashy. Any help would be appreciated.
Older electrolytics usually marked the positive end with a + mark.
Modern electrolytics often mark the negative end with a stripe and a -
symbol.
If both wires come out of the same end of the can, the longer wire will
be positive.
If they come out of opposite ends, the wire spot-welded to the can
itself is negative, the wire protruding through an insulator is positive.
If you get it wrong, after the spectacular explosion, put the next
replacement in the other way around. :-)
--
Jay Hennigan - CCIE #7880 - Network Engineering - jay at impulse.net
Impulse Internet Service - http://www.impulse.net/
Your local telephone and internet company - 805 884-6323 - WB6RDV
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