Mapleham Study: Ferrite Cores — RF Chokes for Audio Leads (B-008-002)

Ferrite Cores — RF Chokes for Audio Leads (B-008-002)

Ferrite Core — winding wires around a ferrite core creates an inductor that opposes high-frequency AC while passing audio frequencies
Ferrite Core Applications — coils on ferrite cores for speaker leads, telephone wires, and intercom cables