V-Cap Teflon capacitors are best as audio signal coupling capacitors and loudspeaker tweeter bypass capacitors (try bypassing tweeter oil capacitors). V-Cap Teflon capacitors are also effective when used as power supply bypass capacitors. The V-Cap OIMP oil capacitor series are most effective as audio power supply bypass capacitors, crossover capacitors, and signal output coupling capacitors.
Teflon is a registered trademark of DuPont corporation.