Have a look for your self and values {
http://www.mundorf.com/english/bauteile/frkondensator.htm}
and {http://www.duelundaudio.com/}
im sorry no amp expirience i just tested them in loudspeakers i like both.
http://www.mundorf.com/english/bauteile/frkondensator.htm}
and {http://www.duelundaudio.com/}
im sorry no amp expirience i just tested them in loudspeakers i like both.