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Noob cabinet question

Discussion in 'Amps and Cabs [BG]' started by MikeeR, Mar 17, 2009.


  1. MikeeR

    MikeeR

    Mar 17, 2009
    Hey Everyone,
    I have a Trace Elliot AH200 head and an Ashdown 4x10" (8 ohm). The head has 2 speaker outs so I want to connect my other cabinet, a Carvin 18" (4 ohm) as well. The head is built to run two 8ohm cabinets for a total of 4 ohms...
    So will connecting both damage my amp ?
     
  2. not sure what it will do... but it wont be 4ohms... I wouldnt do it
     
  3. MikeeR

    MikeeR

    Mar 17, 2009
    I understand it will the less than 4 ohms ?
     
  4. You will be running at 2.67 ohms.

    Most likely you will encourage your amp to give up the magic smoke.
     
  5. RedLeg

    RedLeg Supporting Member

    Jan 24, 2009
    Kaiserslautern, Germany
    Nov Shmoz Ka Pop?
    (impedance of cab 1 X impedance of cab 2) / (impedance of cab 1 + impedance of cab 2)

    For instance, if you have a 4-ohm cab and an 8-ohm cab:
    multiply 4 x 8 = 32
    then 4 + 8 = 12
    32 / 12 = 2.667 ohms

    bad juju for Trace Elliot :( , unless Trace Elliot can run 2-ohm
     
  6. MikeeR

    MikeeR

    Mar 17, 2009
    Bummer... Looks like its a no go then :( Thanks for your help guys !
     
  7. MikeeR

    MikeeR

    Mar 17, 2009
    What difference would it make daisy chaining them ?
     
  8. N8116B

    N8116B

    Jan 14, 2008
    Earth
    It will be 2.67 Ohms

    Can your amp handle a less than 4 ohm impedance?
     
  9. that's a good link...
     
  10. MikeeR

    MikeeR

    Mar 17, 2009
    Thanks, that link cleared things up, but what about daisy chaining the two cabs ? Will I still get the same resistance?
     
  11. RedLeg

    RedLeg Supporting Member

    Jan 24, 2009
    Kaiserslautern, Germany
    Nov Shmoz Ka Pop?
    danke
    I believe that a load is a load, so 2.67 ohm parallel or series. could be wrong, but i dont think i am
     
  12. Gintaras

    Gintaras

    Dec 11, 2004
    Kent Island, Md.
    you can't use a 4 ohm cab without damaging the head. You could keep an eye out in the classifieds. I see eminence 8 ohm 15" neo's for sale on a regular basis.
     

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