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Thread: fender bassman 135 what circuit?

  1. #1
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    fender bassman 135 what circuit?

    Hi
    i have a 1978 fender bassman 135, silverface.
    Does anyone know what circuit this is, i have seen mentioned on the internet about the blackface 5F6A, any idea what mine is.

  2. #2
    Forum Member Kap'n's Avatar
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    Re: fender bassman 135 what circuit?

    Hi!


    This amplifier does not resemble the 5F6A Bassman in any way. The 5F6A is a tweed amp, by the way, not a blackface. Blackface Bassmans had the AB864 (rare), AA165, or AB165 circuits. They also had nothing in common with the 5F6A.



    I'm not sure of the exact circuit designation of the Bassman 135, but essentially it is the preamp of the AB165 Bassman coupled to the output circuit of the ultra-linear twin reverb.
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