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8 ohm amp and a 4 ohm cabinet

Discussion in 'Amps and Cabs [BG]' started by patientboy99, Dec 4, 2004.


  1. patientboy99

    patientboy99

    Dec 4, 2004
    I have purchased a 1971 Ampeg SVT, but I'm having problems using it with my current amp, which is a Peavey firebass 700. Any way to make the two compatible??? My old Sunn amp works well so I assume it is a ohm issue...
     
  2. xb100

    xb100

    Mar 24, 2004
    NH, In
    Ya that wont work since your amp only goes to 8 ohms and your cab is 4 ohms you would destroy your amp.

    Because you would be putting to much of a load on it.

    2 4ohm cabs=2 ohms
    2 8 ohm cabs=4 ohms
    2 16 ohm cabs= 8 ohms

    You might want to refer to the OHMS FAQ thread.
     
  3. BillyB_from_LZ

    BillyB_from_LZ Supporting Member

    Sep 7, 2000
    Chicago
    I presume that your "1971 Ampeg SVT" is an 8x10 cabinet not an amplifier...true?

    Looking at the online manual, the Peavey Firebass 700 can go down to 2 ohms. Peaveys are known for driving low impedance loads well... Where did you get the 8 ohm limitation from (looking at the manual, the marking on the back of the amp even says 2 ohms)?