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Thread: Fender Bassman 100 identify

  1. #1
    Forum Member
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    May 2022
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    Fender Bassman 100 identify

    Hello everyone,

    I got an old Fender Bassman 100. It works, but it is very broken. I can't find any serial number and apart from the tubes and the choke, nothing has a type designation.

    Since I like to tinker with tubes and I'm bored, I would like to clone it

    How do I find out exactly what type this is, what transformers do I need here?
    Pictures :
    https://ibb.co/7jx5sgJ
    https://ibb.co/CngMBtJ
    https://ibb.co/FwHG3fc

  2. #2
    Forum Member Michael Smith's Avatar
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    Dec 2021
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    Southeast Texas
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    Re: Fender Bassman 100 identify

    The Fender Bassman 100 Silverface with master volume was made between 1972 and 1976. Go to EL34world to find a schematic for that amp. Your amp appears to be the export model, based on the voltage selection switch in one of your pictures. The schematic I found shows the transformer numbers for the export model and also the CBS part numbers for the USA models. You should be able to cross reference the CBS transformer part numbers.
    "When You're Riding Down the Highway at Night, And You're Feeling that Wild Turkey's Bite" ZZ Top

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