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running 3 cabs bridged

Discussion in 'Amps and Cabs [BG]' started by amos, Jan 12, 2004.


  1. amos

    amos

    Oct 23, 2003
    SE Portland Oregon
    is this possible or would the ohm load be too high (>4 ohms)
     
  2. amos

    amos

    Oct 23, 2003
    SE Portland Oregon
    okay i know this is a simple question so maybe i didn't make it clear enough

    if you ran your amp bridged and ran three cabs daisy chained would the ohm load be too high (less than 4 ohms) for the power amp?
     
  3. ESP-LTD

    ESP-LTD

    Sep 9, 2001
    Idaho
    That depends on what impedance each cabinet is; you didn't say.

    Whether it's safe also depends on what load your amp can push bridged; I'm guessing that's 4 ohms.

    Assuming 8 ohm cabs, 3 cabs in parallel will be below 4 ohms and could make some solid state amps very sad.
     
  4. Well, that depends on your cabs and your amp..if you daisy chain 3 8-ohm cabs you'll get a resistance of 2.6 ohms. This won't be a problem if your amp is able to handle a 2 ohm load, however I'd be careful if it's only rated down to 4 ohms.
     
  5. coyoteboy

    coyoteboy easy there, Ned Supporting Member

    Mar 29, 2000
    Sactomato, CA
    Three 8 ohm enclosures wired parallel would be a 2.6 ohm load. I don't know of any stereo amp that bridges safely below 4 ohms. When bridging at 4 ohms, you are essentially operating each side at 2 ohms, which is the lower limit of all the conventional power amps I know of.

    anyone else?
     
  6. coyoteboy

    coyoteboy easy there, Ned Supporting Member

    Mar 29, 2000
    Sactomato, CA
    That was a quick succesion of replies!
     
  7. amos

    amos

    Oct 23, 2003
    SE Portland Oregon
    I suppose stereo would get the job done. 300 to the 210 and 500 to the 212s

    the cabs are 8 ohms. 2.6 ohms; cool. thanks for the replies.
     
  8. zoran

    zoran

    May 10, 2002
    croatia
    parallel mode setting:

    channel 1: 2 cabs parallel (must be 8ohm each)
    channel 2: one cab

    Don't know other way:cool: