Seeking Marshall 4140 speaker, verb tank & foot pedal!

Discussion in 'Building the Classics' started by MustRemaneNameless, Aug 12, 2019.

  1. MustRemaneNameless

    MustRemaneNameless New Member

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    Hello All,

    I am looking for a few parts to finish up my Marshall 4140.

    I need to find an original McKenzie speaker (red framed that was produced for Jim Marshall ltd...)

    Also need an original verb tank for the Marshall 4140

    And an original foot pedal for this unit!

    Any other parts like plastic handles on the side or top I would consider as well.
     
  2. ampmadscientist

    ampmadscientist Well-Known Member

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    Welcome to the forum Nameless.:cheers:
    Those parts are going to be hard to find, and I wish you luck. Good Luck.
     
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  3. MustRemaneNameless

    MustRemaneNameless New Member

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    I know they are harder to find but I'm still hopeful :)
     
  4. MustRemaneNameless

    MustRemaneNameless New Member

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    Alright I have officially sourced 2 of the McKenzie 12 inch speakers!!! Hot damn!!! This will actually leave me a spare!

    Now just need the original verb tank and footswitch!!!
     
  5. MustRemaneNameless

    MustRemaneNameless New Member

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    Speakers arrived in L.A. from Denmark in fantastic condition!

    One step closer!
     

    Attached Files:

  6. Sonikhood

    Sonikhood New Member

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    Hi I’m in the same situation, need a foot pedal and a 4 spring hammond reverb tank for a 4140
     
  7. DonP

    DonP Active Member

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    I have a 4140 not in use. I'm going to use the Transformers for a 1959 head project and make the 4140 a 6V6 stereo combo.

    What is so special about the reverb tank?

    I went to the basement to take a look. Mine says Accutronics, made in USA.

    It is 4 springs.
     
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  8. ampmadscientist

    ampmadscientist Well-Known Member

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    'need a foot pedal and a 4 spring Hammond reverb tank for a 4140'

    good luck and may God speed with the both of you.
     
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  9. MustRemaneNameless

    MustRemaneNameless New Member

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    I'm just trying to restore mine to be as original as the factory made it. I know its possible!
     
  10. DonP

    DonP Active Member

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    Ok. More power to you guys who love the 4140.



    FWIW, the 4140 was my third amp on a (horrible) quest for a heavy metal tone in the late 80s.

    My first amp was a Gorilla (guitar was a strat with really clean pickups). Fail #1.

    My next amp was a Peavey Classic VTX. Checked the back - TUBES! Then I found out the front end was SS. Not bad, but Fail #2.

    My third amp was the 4140 found at a pawn shop in Santa Ana, CA. It's a MARSHALL so it must be good for metal, right? Found out it was the "Town and Country". Fail #3.

    My 4140 came with 6L6's in it, and they were sweating! I ended up gutting it, making it into a TSL back in 1990 (no internet, just Groove Tube books). Fender clean, Marshall Crunch and Mesa Lead. It sounded very good, and very loud (re-tubed with 6550's for 120w clean). I decided I could rebuild it better (I used a lot of relays, thought I could do better switching), but it never happened.

    I've bought a new JMP chassis for the transformers, and plan on using the chassis and cab for a 15 watt per channel stereo combo using 6V6 tubes.
     
  11. MustRemaneNameless

    MustRemaneNameless New Member

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    Yeah the 4140 is most definitely not the heavy metal sound. :)
     
  12. MustRemaneNameless

    MustRemaneNameless New Member

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    Foot pedal found!!! Just missing the original verb tank and speaker jack / wiring! :)
     
  13. South Park

    South Park Active Member

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    Try a fender revered tank it might be easer to find
     
  14. MustRemaneNameless

    MustRemaneNameless New Member

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    The end goal is to get this rig back to all original shape.

    I'll be using a new replacement unit from Accutronics for the time being.

    So far I've been extremely lucky when searching!!!
     
  15. StingRay85

    StingRay85 Member

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    What type of Accutronics tank do you need? I have a spare (large) one in a donor chassis of a 1980 Acoustic model 165 (100W 6L6 tube combo).
     
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  16. MustRemaneNameless

    MustRemaneNameless New Member

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    I believe the correct model to be 4FB2A1C
     
  17. StingRay85

    StingRay85 Member

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    Ok, this already appears to be the same model as I have in my two Acoustic 270 heads (obviously I can't sacrifice those). I will check tonight if the one in my donor chassis is the same.
     
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  18. StingRay85

    StingRay85 Member

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    It's a different model I'm afraid, has three springs
     
  19. Gutch220

    Gutch220 Well-Known Member

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    I have an old accutronics 3-spring reverb tank you can have for free if you're interested in using it. It's probably not the exact model tank.
    I'll look up the part number when I get home.
     
  20. Gutch220

    Gutch220 Well-Known Member

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