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Speaker OHM for AMP BH420

Discussion in 'Amps and Cabs [BG]' started by Buzz Fluhart, Sep 22, 2008.

  1. Buzz Fluhart

    Buzz Fluhart

    Jan 10, 2008
    I just lucked out and found a AMP (Amplified Music Products) Model BH420 bass head at a garage sale, but I don't know what OHM the speaker jacks are rated. Can someone please tell me what the OHM rating is for each separate jack? I've read "some" reviews, stating not to go below 4 ohms total, so I am assuming each jack is 8 ohms?? Any info. will be appreciated. Thank you very much.
  2. JimmyM

    JimmyM Supporting Member

    Apr 11, 2005
    Apopka, FL
    Endorsing: Ampeg Amps, EMG Pickups
    It's not that each jack is 4 ohms. You have two speaker jacks and you can use any speakers as long as you don't go below 4 ohms (if the reviews are correct). So if you have a 4 ohm cab or two 8 ohm cabs daisy chained, just use one jack, and if you have two 8 ohm cabs not daisy chained, then use both jacks. The amp knows automatically.
  3. Buzz Fluhart

    Buzz Fluhart

    Jan 10, 2008
    That's exactly what I needed to know, Jim. Thanks a million !!

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