Special Features:

Mtg method: screw; maj comp: capacitor, chassis assembly, choke, coil, connector, contact, inductor, insulator, network, plug, resistor, retainer, transistor

Properties:

Two or more different types of items having a common mounting or mounted on each other which together form a portion of an amplifier but which in itself is not a complete functioning item and cannot be assigned a more definite item name.