I have heard polyester mylar capacitors make a significant sound improvement and are the minimum quality audio capacitors that should be used in the audio signal path. I was told are. High Precision Polystyrene Film Capacitors Psr Psa Elex The Details About 1500pf 63v Evox Rifa Polystyrene Capacitors Audio Grade X 1000 Pieces Some say that pts are good capacitors and to simply replace them with same type. Polystyrene capacitors for audio . In the marshjung articles which i link below they rank polystyrene 1 for all round qualityvalue teflon 1 for quality polycarbonate 2 metalyzed polypro 3. I dont know enough about pts polystyrenes to decide which would be best. Mouser offers inventory pricing datasheets for xicon polystyrene film capacitors. There is general agreement that different capacitors can be demonstrated to have different sound quali...
