Scan-Speak D2904/710001 - information in PDF format (134 Kb)
High-purity copper coil wound around a iron core (with discs).
Metallized polypropylene film capacitor.
Two-way digital plate amplifier.
High-purity copper coil wound around a iron core.
Coil wound around a toroidal sandwich core.
Air-core OFC foil coil.