Posted by Wayne Parham [ 65.69.120.160 ] on March 16, 2005 at 18:52:28:
In Reply to: Continental Capacitor type A oil capacitor info wanted? posted by Norris Wilson on March 12, 2005 at 19:56:44:
I agree with that website's recommendation of Michael Percy Audio. He's pretty busy, but he's a nice guy and he has a lot of experience with various components.
But you know how it is. On one hand, capacitors are just two plates separated by an insulator. On the other hand, there's chemistry and electrostatics involved, and that makes them all imperfect in different ways. Depending on the interactions with other things in the circuit, some imperfections are more damning than others. Your best part really depends on the application.
Really, I like foil in oil, paper or plastic for signal caps, and metalized film for the larger values. But none of these are usually an option for power supply caps. The values just get too large. So that's where the dreaded electrolytics become attractive. Black Gate, Nichicon or Cerafine might be more in line with what you want. Keep those nice foil in oil caps for the signal path.
Then again, if you have the room for them and don't need large capacitance, give 'em a try. Let us know how they sound to you.
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