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  1. Thread: Franken-Champ

    by mattm
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    28
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    1,472

    "You & the missus should start learning sign...

    "You & the missus should start learning sign language, or prepare to communicate by sending notes back 'n forth. The second solution is common these days, people text each other even if they're...
  2. Thread: Franken-Champ

    by mattm
    Replies
    28
    Views
    1,472

    Upon a bit further inspection the two big...

    Upon a bit further inspection the two big transformers are both fender parts, from '67 and '68 and both come from a Fender Bassman amp. Speaker output one is 50w.

    Would bass amp transformers...
  3. Thread: Franken-Champ

    by mattm
    Replies
    28
    Views
    1,472

    Thanks guys. I'm up in Canada in Ottawa. ...

    Thanks guys.

    I'm up in Canada in Ottawa. Bloody snow just won't leave so cabin fever is sinking in. This is a perfect project to get to summer. I won't do any of the work but drawing it out I...
  4. Thread: Franken-Champ

    by mattm
    Replies
    28
    Views
    1,472

    "All this modification yet no grounded plug ??" ...

    "All this modification yet no grounded plug ??"

    I thought about that as well when I was trying to figure out when the modification happened. Maybe it indicates that the modification was done...
  5. Thread: Franken-Champ

    by mattm
    Replies
    28
    Views
    1,472

    Just noticed the 4x more power comment. Maybe I...

    Just noticed the 4x more power comment. Maybe I will try to draw it out myself. It's been a long time since I switched from electrical engineering to programming but hey, I just hit my 40's, why...
  6. Thread: Franken-Champ

    by mattm
    Replies
    28
    Views
    1,472

    Yeah that's what I was thinking, when it was done...

    Yeah that's what I was thinking, when it was done it was when they were just cheap amps. The only thing that makes this one special is that it's one of the first of the silverface models.

    As for...
  7. Thread: Franken-Champ

    by mattm
    Replies
    28
    Views
    1,472

    Thanks guys. I think this is beyond going back. ...

    Thanks guys. I think this is beyond going back. The chassis has been drilled and cut, for one thing.

    Along those lines: Technically there should be two jacks on the bottom of the amp, one for...
  8. Thread: Franken-Champ

    by mattm
    Replies
    28
    Views
    1,472

    Here are some pictures of the circuit: The...

    Here are some pictures of the circuit:

    The rest are pictures of the circuit. Loads of extra in there...
    http://drive.google.com/uc?export=view&id=1V-lYDakOTsXU020cuzMs472U0hn4wsub...
  9. Thread: Franken-Champ

    by mattm
    Replies
    28
    Views
    1,472

    Franken-Champ

    Hey guys,

    The other day I got an amp from a buddy. Fender Vibro Champ that looks to be from 1968. A bit closer inspection shows that this thing has been heavily modified and I'm really curious...
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