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  • Ohm's / Inputs

    Just for the record I did try searching first

    I just picked up a 4 x 12 cab with no markings for the inputs, there's 2 in the back. It's a Sonic cab which they don't make anymore so support from them is out and nowhere on the cab does it state impedance or anything, just that it has Celestions. Do I need to take the back off and check it out or can I measure with and ohm meter at the jack to find out what it is and what the other jack is for, Mono / Stereo ? Extension ?

    Thanks
    Fender Stratocaster Custom Shop Custom Classic
    Fender Stratocaster Eric Clapton sig
    Fender Telecaster Standard MM
    Jackson Dinky DKMGT
    Jackson Stealth EX
    Charvel 375
    Ibanez Daytripper
    OLP Musicman
    Carvin C250

    Mesa 5:50 Express
    Sonic 4 x 12

  • #2
    Plug a guitar cord in there and check the ohms on the free connector.
    _________________________________________________
    "Artists should be free to spend their days mastering their craft so that working people can toil away in a more beautiful world."
    - Ken M

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    • #3
      Originally posted by Axewielder View Post
      Plug a guitar cord in there and check the ohms on the free connector.
      I'm getting 12 ohms ? If I measure the speaker on my Mesa I get 8, which is what it is. So 12 dosen't seem right, blown speaker? I never heard of a 12 ohm cab, just 4 / 8 and 16's. SO, I went ahead and opened it up - What's inside is:

      4 Celestion G12S-50 speakers marked 15 ohm and what appears to be wired in series/parallel combination so I'm taking this to be a 16 ohm cab?
      The 2nd output jack just ran off the other one. The speaker magnets also say:

      Foxhall Road
      IPSwitch Suffolk
      England

      Can I assume they are not chinese?
      Last edited by Skully; 08-09-2008, 09:00 PM.
      Fender Stratocaster Custom Shop Custom Classic
      Fender Stratocaster Eric Clapton sig
      Fender Telecaster Standard MM
      Jackson Dinky DKMGT
      Jackson Stealth EX
      Charvel 375
      Ibanez Daytripper
      OLP Musicman
      Carvin C250

      Mesa 5:50 Express
      Sonic 4 x 12

      Comment

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