I have this surround sound system at home that is very old and have these strange sound input sockets that I have never seen before. Does anyone know what kind of input socket this is?

enter image description here

enter image description here

  • Possibly helpful – isherwood Jul 27 '18 at 15:47
  • 2
    That reminds me of an old DIN Loudspeaker Connector, except that your one has 2 round pins - one on each side, in addition to the flat one. – brhans Jul 27 '18 at 15:58
  • 1
    I would think that those are not the actual inputs, rather the sound level adjustments using a special square tool to prevent unauthorized tampering. Actua inputs are probably in back of under a removable panel – Limo DRIVER Jul 27 '18 at 16:36
  • But if you look at the sockets they seem to have a copper connector or something similar. – João Matos Jul 27 '18 at 17:16
  • could be a custom connector, i've never seen one like that before, and i've seen a lot of audio connectors... – dandavis Jul 27 '18 at 17:19

They appear to be the 220V inputs (source feeds - Fuente alimentación) for each device; (L and R) as each input looks like it has two connection points. It has a custom connector that I cannot identify. If you can read spanish the manual more information is here: www.kroser-electronica.com/descargas/catalogo2007.pdf

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy

Not the answer you're looking for? Browse other questions tagged or ask your own question.