which capacitors to use in leach???

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I still haven't found a substitute for the mica capacitors.

I can obtain the following types of caps:

Multilayer Ceramic - Through-hole Capacitors

Polycarbonate Capacitors

Polyester Capacitors

Polyphenylene Sulphide Capacitors

Polypropylene Capacitors

Polystyrene Capacitors

Precision Polypropylene Capacitors

Silvered Mica Capacitors

Solid Tantalum Capacitors

Which of them would be best suited in leach amplifier in place of mica (10pF, 47pF, 390pF)
 
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