• @puppy@lemmy.world
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      3418 days ago

      Nah the sleeves between the lines. The lines are just plastic rings meant to isolate sleeves.

    • @eeltech@lemmy.world
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      18 days ago

      Its the metal connectors between the bands/lines.

      2 connectors = 1 signal (mono) + 1 ground

      3 connectors = 2 signals (stereo) + 1 ground