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total impedance : 4ohmamp + 8 ohm speaker

Discussion in 'Amps and Cabs [BG]' started by pierkos, Nov 16, 2002.


  1. pierkos

    pierkos

    Nov 13, 2002
    hi,
    i've bought an amp of 250wRMS,4ohm load, 120 VAC. The speakers are 2x10" -400W -4ohm.
    I have on old extension cabinet of 200W at 8 ohm,with 1x15" speaker.
    a)Is it save to play with both speakers on this amp?
    b)or what's the total impedance?
    c)
    if it isn't save, is there a solution to change it (the amp, or the speakers?

    thanks
     
  2. ingmar

    ingmar

    Oct 14, 2002
    Normandy, France
    4 & 8 Ohm =2.66Ohm total impedance. If your amp is rated 4Ohm, then I wouldn't try it.