AV connections disasters: Speakon mistakes

You can plug 6.3 mm (1/4″) plug to some (but not all) Neutrik Speakon connectors. I mean incorrectly like this:


Or like this


When you can make the plug to fit in, the plug shorts 1+ to 2+ connections with some potentially bad consequences. Also the 14″ plug can get short circuited.

Fun fact is that there are speakon-jack combo sockets on some speakers, even as original Neutrik product. So depending on Speakon jack, plugging in 1/4″ plug either does not fit, works well or short circuits.

Another interesting feature is that you can plug an US mains connector to a Speacon jack, and even get the mains connector contacts to make connections (to 1- and 2- pins).



  1. Tomi Engdahl says:

    There are:
    - speakons you can’t plug in 1/4″ plugs
    - speakons where you can plug in 1/4″ plug to short few pins
    - there are combo speacons designed to work correctly with both speakon and 1/4″ plugs

    All those types are available from Neutrik and quite possibly also from Chinese copy-cats

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