unbalanced -> balanced

Discussion in 'Pro Audio Gear' started by theassfathasescaped, Apr 29, 2004.

  1. Hopefully this doesn't irrevocabley damage my reputation but please help:

    Can't I use a balnced cable(trs) to carry an unbalanced signal?

    And why can't I use a unbalanced cable on a balanced (trs jack) output.

    I have a phono patchbay and I'm curious how routing signals will be affected.

    Thanks so much!
  2. musicalhair

    musicalhair Guest

    I believe in most cases you can. I've used TRS as instrument cable by mistake on occassion and didn't notice a problem-- or did I?, I don't really remember-- and I've run my monitors with balanced inputs using a rigged up cable going RCA --> xlr which I understand can be done for very short runs.

    Oh, and theassfathasescaped: look behind you :lol: , that is usually were I find mine . :oops:
  3. poundbloke

    poundbloke Guest

    musicalhair, the reason a TRS cable worked fine is on an unbalanced source, pin 3(neg) and pin 1(ground) were effecivley jumped together, an unbalanced source combines the negative and ground together.
  4. poundbloke

    poundbloke Guest

    Hopefully this doesn't irrevocabley damage my reputation but please help:
    The only way you can really damage your reputation is by pretending you know something you dont, only way to learn is to ask.

    Can't I use a balnced cable(trs) to carry an unbalanced signal?
    yes you can

    And why can't I use a unbalanced cable on a balanced (trs jack) output.
    You can do that, but, your unbalancing the connection.

    I have a phono patchbay and I'm curious how routing signals will be affected.
    is it a TS patchbay? or a TRS?, just because its phono, doesnt mean it isnt balanced.

    Thanks so much!
    no problem
  5. thanks musical and pound for the replies!

    I'm curious why people still buy unbalanced patch cables, since your can use trs ones on both balanced and unbalanced sources. If you have TRS cables that just means more flexibility (can carry either signal)?
  6. Kurt Foster

    Kurt Foster

    Joined:
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    Unbalanced cables cost less ...
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