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Tweeter ohm question

Discussion in 'Amps and Cabs [BG]' started by senorblues, Apr 1, 2009.


  1. I just replaced the 4 ohm 15 in my Bassman 250. Looking inside the cabinet, I see some crossover/filter/Idontknowwhat circuitry and notice that the tweeter is 8 ohms.
    How does this work since it is a 4 ohm cabinet?
     
  2. lug

    lug

    Feb 11, 2005
    League City, Tx
    Think of impedance as resistance @ a certain frequency. The woofer and tweeter impedance don't effect each other much because they don't react in the same frequency range. The result will be more power through the tweeter if you've gone from 8 to 4 ohms.
     
  3. billfitzmaurice

    billfitzmaurice Commercial User

    Sep 15, 2004
    New Hampshire
    Owner, Bill Fitzmaurice Loudspeaker Design
    The cabinet impedance is defined by the woofers, not the tweeter.
    Power distribution is defined by the crossover. Crossovers explained, among many other sources, here:
    http://www.lalena.com/Audio/FAQ/XOver/
     

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