Intercom
Videos
An intercom, also called an intercommunication device, intercommunicator, or interphone, is a stand-alone voice communications system for use within a building, small collection of buildings or portab
1980s MirTone intercom system
An intercom control desk
Intercom used for team and driver communication in Formula One
Intercom system in the Pittock Mansion
XLR connector
Videos
The XLR connector is a type of electrical connector primarily used in professional audio, video, and stage lighting equipment. XLR connectors are cylindrical, with three to seven connector pins, and a
Intercom
…digital intercom signals. Portable intercoms are connected primarily using common shielded, twisted pair microphone cabling terminated with 3-pin XLR connectors. Building and vehicle intercoms are connected in a similar manner with shielded cabling often containing more than one twisted pair. Digital intercoms…
XLR3 cable connectors female (left) and male (right)
Male and female XLR connectors with different numbers of pins
XLR-LNE three-pin male and female connectors, originally used for mains power connections. The connecting pins in the male connector are recessed, and the sockets in the female connectors are shrouded for safety. This example is a panel socket, used as a power input from the male plug, though they were also used in the opposite configuration.
Left to right: Cannon XLR3-12C (line), Switchcraft X3F (line), Neutrik NC3MP panel, Neutrik NC3FP panel