Capacitors for LCR

the road not taken.
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TonyB
Posts: 30
Joined: Mon Feb 14, 2005 7:11 pm
Location: Toronto, Canada

Capacitors for LCR

Post by TonyB »

I will be getting 7.30k LCR inductors from Dave. My original thought was
to use 4 x 0.1uF Teflon caps and pot them in something like bees wax.
The 0.01uF could be either Mica or Teflon. However, I am not sure
if I want to have both caps of the same type. Lately I am also thinking
about ordering 0.4uF Duelund CAST Cu capacitors through PartsConnexion.

However, Duelund CAST Cu is PIO capacitor which has worse DA. That
is why I am not sure if PIO is the best cap of LCR.

Did anybody try Duelund CAST caps in LCR phono?

What other caps produced good sound in LCR?
Daniel
Posts: 45
Joined: Fri Jan 10, 2014 4:50 pm

Re: Capacitors for LCR

Post by Daniel »

TonyB wrote:I will be getting 7.30k LCR inductors from Dave. My original thought was
to use 4 x 0.1uF Teflon caps and pot them in something like bees wax.
The 0.01uF could be either Mica or Teflon. However, I am not sure
if I want to have both caps of the same type. Lately I am also thinking
about ordering 0.4uF Duelund CAST Cu capacitors through PartsConnexion.

However, Duelund CAST Cu is PIO capacitor which has worse DA. That
is why I am not sure if PIO is the best cap of LCR.

Did anybody try Duelund CAST caps in LCR phono?

What other caps produced good sound in LCR?
Hi Tony!
Personally I didn't like mica at all. My favourites are polystyrene or copper/teflon paralleled with a polystyrene.
TonyB
Posts: 30
Joined: Mon Feb 14, 2005 7:11 pm
Location: Toronto, Canada

Post by TonyB »

Thanks, Daniel.
sfox7076
Posts: 5
Joined: Wed May 06, 2015 1:42 am

Post by sfox7076 »

What caps did you go with? I am considering Jupiter Copper caps. May also choose to go cheaper initially and upgrade later or use bypass caps on the higher value caps.
dave slagle
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Joined: Sat Jan 22, 2005 3:54 am
Location: NYC
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Post by dave slagle »

I can highly recommend the jupiter copper foils for your coupling cap needs but building Naz's circuit is going to run you quite a bill. Like Tony was going to do, I'd start with the russian teflons and a russian KGB paper in oil for the 2Uf output cap (the .22 couplers can be jupiters)

dave
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