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  1. 54082

    54082
  2. Replies
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    1,640

    Not about modeling gear, but "lost in the mix"...

    Not about modeling gear, but "lost in the mix" was a problem for our band even with tube amps mic'ed to mixer/PA and later,
    with analog pedal board direct to mixer/PA.

    We found that "EQ is...
  3. I also don't like those thick plastic-y feeling...

    I also don't like those thick plastic-y feeling poly finishes.

    Some poly finishes are ok, like my older Deluxe Nashville Tele has. (sunburst)
    It's poly but seems thin-ish, and doesn't feel like...
  4. Replies
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    421

    Thanks! :) Yes, the S/B switch is on the main...

    Thanks! :)

    Yes, the S/B switch is on the main power switch.

    It's one of those 3 position things. Off-Standby-On

    I should have labelled the schematic switches S1a and S1b
  5. Replies
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    421

    Yup... I have posted this before... but here it...

    Yup... I have posted this before... but here it is again...

    I fixed mine...

    Stock Blues Junior from the master volume to the output.

    Front end is "more or less" the AB763 minus the tremolo....
  6. Replies
    14
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    421

    :D:D:D about the cat...

    :D:D:D about the cat...
  7. All this tech stuff is waaaay over my pay...

    All this tech stuff is waaaay over my pay grade... but I do know...

    KOC recommends 1K to 2.2K screen resistors in his TUT book series.

    That's all I got...
  8. Replies
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    596

    Sticky: Hoffman is scaling back. As of now, the web...

    Hoffman is scaling back.
    As of now, the web store is still open but he's not carrying some things...
    ...
  9. Replies
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    596

    Sticky: A couple to add... For fellow Canadians, Next...

    A couple to add...

    For fellow Canadians, Next Gen Guitars, free shipping in Canada for orders over $149.00 CAD
    They use Canada Post and require a signature at delivery.
    They will NOT leave the...
  10. Looks great!.... .... but $160.00 CAD... Yikes!

    Looks great!....

    .... but $160.00 CAD... Yikes!
  11. Replies
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    Nice work! Man that was bad! I love seeing...

    Nice work!

    Man that was bad!

    I love seeing projects like this. :)
  12. Sticky: Mine was a Mojo 771

    Mine was a Mojo 771
  13. Sticky: I will also add to the suggestions to swap the ...

    I will also add to the suggestions to swap the leads.

    I recently installed a "drop in replacement" Tx for a champ type circuit and the color of the leads matched the old Tx....

    However... the...
  14. Replies
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    And likely never will unless you draw it...

    And likely never will unless you draw it yourself... :)

    I have tinkered with quite a few of these cheap transistor Japanese made amps (Teisco, Audition, Kingston, etc) from the 60's 70's.

    On...
  15. Replies
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    476

    I dug through my stash of old germs but I don't...

    I dug through my stash of old germs but I don't have that one.

    Likely you could sub something from Small Bear, he has quite a few....

    There must be one there that would work.
  16. Replies
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    476

    That circuit board and speaker looks very similar...

    That circuit board and speaker looks very similar to some Teisco Checkmate amps.

    Maybe the Checkmate 66 or 88, they both had tremolo.

    Edit;

    Here's a CM66 schematic.

    53620
  17. I don't like to solder on socket pins with the...

    I don't like to solder on socket pins with the tube in... but I've done it.

    As already mentioned, get in and out fast.

    Good hot iron helps.
  18. Replies
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    452

    I had an EL84 amp that had a Triode/Pentode...

    I had an EL84 amp that had a Triode/Pentode switch. (modded 1970 Traynor Guitar Mate III)

    It worked ok...

    As I recall, in triode mode it had a substantial drop in volume, as to be expected.
    ...
  19. Replies
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    827

    I don't have it yet... It's on order....so I...

    I don't have it yet... It's on order....so I don't know if I like it or not.

    The price seemed comparable to others I looked at.
  20. Replies
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    827

    The Mojo transformer is so I can use 8 ohm...

    The Mojo transformer is so I can use 8 ohm speakers or plug the amp into an 8 ohm cab.
    More options are available in 8 ohm speakers, compared to 4 ohm.

    With the 3.2 ohm Champ Tx that is in there...
  21. Replies
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    827

    Thanks for checking. :) I have ordered a Mojo...

    Thanks for checking. :)

    I have ordered a Mojo 771 Tx.
  22. Replies
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    827

    Thanks g1. :)

    Thanks g1. :)
  23. Replies
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    827

    Now I'm looking for an 8 ohm output transformer...

    Now I'm looking for an 8 ohm output transformer as the original died, (truthfully, I damaged it) so I installed a Champ replacement TX that is 3.2 ohm.

    The Warehouse speaker is a 4 ohm, but I'd...
  24. Replies
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    827

    After much experimenting I ended up with these...

    After much experimenting I ended up with these circuit mods...

    Grid stoppers R3, R7, R11

    Bypass caps C2, C5

    Compare to original schematic redraw above...

    53543
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    827

    Added 3 wire power cord and clipped the death...

    Added 3 wire power cord and clipped the death cap...

    53541

    Unhooked the original cap can and added 3 new electro caps for the power supply...

    Also added a speaker jack...

    53542
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    827

    Inside is fairly clean... 53540

    Inside is fairly clean...

    53540
  27. Replies
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    827

    I found some schematics on line but they all have...

    I found some schematics on line but they all have the same mistake...

    53538

    Re draw of the schematic...

    53539
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    827

    Original speaker needs a re-cone... 53535 ...

    Original speaker needs a re-cone...

    53535

    53536

    Original baffle is quite rough...

    53537
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