Well done, Graham (a man after my own heart)! Let’s run this one to ground, so all those tired 8000’s may be given a new lease of life. A couple of minutes worth of research (ie, looking at the capacitor in front of me) leads me to believe that the cap in question is made by Elko Rauh (who may well be into audio components, by the look of things) and is marked 68 mfd 100 v bipolar. A few clicks of the mouse has given the following wonderous clues:-
http://www.klingtgut-lsv.com/shop/zubehoer_intertechnik_kondensatoren_elko_rauhe_folie.htm www.intertechnik.de – try this one and then type in
elko in the Suchen field (yes, it helps if you know German). No more time now, but have fun!
And don’t worry, there are a lot of theoreticians lurking about on this site!
