bipolars are wonderful for a number of reasons. they fit forwards and backwards for those
who are time-challenged. they tend to be higher on the sound-quality ladder - like the
Nichicon MUSE ES. they are green to show off how golden your ears (maybe wallet)
are. and lastly, buying them removes the possibility of buying cheap/bad polarized caps.
cost, gotta look at the big picture. 47uf/35v Nichicons. Fine Gold (FG) is 47cents, ES is 66 cents
that's 19 cents or if you buy more than 10 - then the difference is 14 cents. peanuts
said Charlie Brown.
now take 30 of them (on average - we'll get to some other facts), and the difference is now
only $4.20 to $6.00 on an order of about $15. won't disturb weekend beer money.
I'd spend the extra money if for no other reason than its the biggest return for bragging rights,
and more $$ for flippers who market over the flippers who just wipe it clean (maybe)
however, bipolars are limiting in size (fatter and taller), and most importantly don't go up
in value for PS usage (the Muse ES is limited to about 470uf from what I recall).
and does a really good job until you move into the films and the VCap/Russian Teflons.
recap and enjoy the music