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Amp/Cab question

Discussion in 'Amps and Cabs [BG]' started by Primate, Jan 22, 2006.


  1. Primate

    Primate

    May 16, 2005
    'm currently running a 450w @4 ohm head thru a 4x10 cabinet with 450w @ 4 ohm impedance. Due to the current situation im in, i need to get another cab. My question is, does the 2nd cab have to have a 450w @ 4 ohm impedence, or only half that? Thanks.
     
  2. ESP-LTD

    ESP-LTD

    Sep 9, 2001
    Idaho
    If your head is only designed to push 450w into a 4 ohm load, and you are providing it a 4 ohm load, you cannot add another cab.

    Adding another cab (in parallel) would mean a load less than 4 ohms and possible damage to the amp (assuming a solid state amp). Adding another cab in series would change the load to 8 ohms, and you would probably not gain any volume as the amp would probably only make 300w or so into an 8 ohm load.
     
  3. Primate

    Primate

    May 16, 2005
    i forgot to mention 450w @ 4ohm and 250w@ 8 ohm