Speakon connector

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The Neutrik Speakon is a type of cable connector commonly used in pro audio systems for connecting loudspeakers to amplifiers. A similar connector is available for mains power called the PowerCon.

It features a quick-locking system with options for soldered or screw-type solderless for easy repair in the field. Line connectors (designated female by Neutrik) only mate with (male) panel connectors (not with other line connectors) and typically a cable will have identical connectors at both ends. If it is needed to join cables a coupler is used (which basically consists of two panel connectors mounted on the ends of a plastic tube).

The Speakon connector is an alternative to 1/4", two-pole twist lock, and XLR connectors for loudspeakers. Many consider Speakon to be superior to 1/4" because of its ability to lock the plug to the socket preventing the speaker becoming disconnected by movement or other forces. Additionally, it provides a fully-insulated connection to equipment, eliminating electrical shock risks associated with high power audio amplifiers. Many European countries do not allow 1/4" or banana-type output connections on power amplifiers for this reason.

Another advantage is its unambiguous use in speaker cables: with jack and XLR connections, there's the risk of using low-current shielded microphone or instrument cables in a high-current speaker application. The main disadvantages are cost and dependence on a single manufaturer.

Speakon connectors are available in two-, four- and eight-pole configurations. The two-pole line connector will mate with the four-pole panel connector, connecting to +1 and -1; but the reverse combination will not work. The eight-pole connector is physically larger to accommodate the extra poles. The four-pole connector is the most common at least from the availability of ready-made leads, as it allows for things like Bi-amping (two of the four connections for the higher-frequency signal, with the other two for the lower-frequency signal) without two separate cables.

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