this is used to prevent line noise or "humming" that occurs over telephone lines or stereo electronics Microprocessor-Based Digital Control Digital routing is maintained through a network of integrated circuitry and discrete values used for internal system processing
and the adapter
Brand HAMLIN Part Number 59025-040 Quantity Each Technical Data Sheet EN
3 specifications for optimum signal transfer Ergonomic gold-plated brass thumbscrews for easy adjustment and enhanced corrosion resistance Exclusive dual-sided printing circuit board with evenly spaced traces to help prevent short circuits Silver-content solder for improved conductivity
VISHAY MAL215956121E3 Electrolytic Capacitor, 120 µF, 400 V, 159 PUL-SI Series, 5000 hours @ 105°C, ± 20% Matthews 249564 this is used to preventThis is a Electrolytic Capacitor, 120 F, 400 V, 159 PUL SI Series, 5000 hours @ 105C, 20% product from VISHAY with the model number MAL215956121E3Product details Capacitance 120F Voltage Rating 400V Product Range 159 PUL SI Series Lifetime @ Temperature 5000 hours @ 105C Capacitance Tolerance 20% Capacitor Terminals Quick Connect, Snap In Diameter 25mm Lead Spacing 10mm Operating Temperature Min 25C Operating Temperature Max 105C Height 30mm ESR 0.