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Ohmrating vs. sensitivety and loudness...

Discussion in 'Amps and Cabs [BG]' started by jock, May 24, 2002.

  1. jock


    Jun 7, 2000
    Stockholm, Sweden
    If you want to drive two speakercabs with different ohmratings with the same (mono) amp, the cab with lower resistance gets the most wattage, right?
    But how much more? If I use these cabs (see below). Would the sensitivety of the 8ohm cab compensate the greater recistance and be as loud as the 4ohm cab with less power. Or would the 4ohm cab be much louder? (I dont own the 210 yet and its not available in 4ohm version)

    Swr Bigfoot (2x12"), 95 dB SPL @ 1W1M 4ohm
    Ashdown 210, 102dB IW @ 1mtr 8ohm
  2. K Dubbs

    K Dubbs Just graduated from OSU, Go Bucks!

    Mar 16, 2002
    Toledo, Ohio
    the sensitivity should keep things more even. the bigfoot should get about 2/3 of the power from your amp, but keep in mind that double power is only 3 dB more of volume, so your bigfoot will likely operate a bit quieter than the ashdown, even though its soaking up a bit more power
  3. jock


    Jun 7, 2000
    Stockholm, Sweden

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