Coax Cable

Discussion in 'AV Receivers' started by Stelios, Dec 31, 2003.

  1. Stelios

    Stelios Stunt Coordinator

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    Hi
    Is there a way to test a cable if it is coax or RCA? I bought this one pair see-thru cable after the salesman told me that it is a coax cable, but I have my doubts. How can you test it?

    Stelios
     
  2. JohnMW

    JohnMW Second Unit

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    Cut it in half and take a look.
     
  3. Stelios

    Stelios Stunt Coordinator

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    Ok but does it look different than the RCA one?


    Stelios
     
  4. Bob McElfresh

    Bob McElfresh Producer

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    Almost all "RCA" cables are made with coax.

    Look at the wire. Is it round and about as thick or thicker than your CATV coax? If so, it is likely coaxial-construction.

    If the wire has 2 thin wires like Walkman Headphone wires, these are not likely coaxial. You can find cheap "Patch Cords" at the hardware store with RCA plugs that are like this.

    You said it was "see through" - that is very unusual for a RCA cable. Can you see a thick 'pipe' made of mesh under the transparent case? If so - the cable is likely coaxial.

    Note: a coaxial cable is really 2 wires: one is the center conductor, the other wire is a 'pipe' usually made of mesh or foil (or both) that encases the center wire. This is called the "shield". There is a white-foam that surrounds the center wire and keeps the shield at a fixed distance from the center wire.
     
  5. Stelios

    Stelios Stunt Coordinator

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    Thanks Bob for the info.
    I did check and it is in fact an RCA cable.This confirms the fact that you must not always trust a "salesman".

    Happy New Year
    Stelios
     

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