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Ampeg SB-12 1969 Modification Question

Discussion in 'Amps and Cabs [BG]' started by John Ferguson, Apr 21, 2018.


  1. John Ferguson

    John Ferguson Supporting Member

    Nov 19, 2017
    Oakland County
    An Ampeg SB-12 came my way with no cabinet, so I got one from the folks at flip tops. Turns out the amp is modified and I think it's overpowering the standard speaker. from the photos here, can anyone hazard a guess about the modifications? Two extra caps and a very large transformer on top - so tall the cage needs risers to fit over it. I'm hoping maybe this is/was a common mod you might know about. Would like to know how much power it's putting out so I can put in a more capable speaker. Thanks! IMG_6879.JPG IMG_8510.JPG
     

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