The Official Marshall DSL40c Information Thread

Discussion in 'Marshall Amps' started by Micky, Feb 17, 2013.

  1. KraftyBob

    KraftyBob Well-Known Member

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    ^^^10,000th post^^^ Woohoo :fever::applause::dude::rock:
     
  2. Herbert Mitchell Pearrow

    Herbert Mitchell Pearrow Well-Known Member

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    At a baby, rock on brother :cheers:
     
  3. Herbert Mitchell Pearrow

    Herbert Mitchell Pearrow Well-Known Member

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    One hell of a thread right here, and I have gained a shit load of information here :h5:
     
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  4. coyote

    coyote Member

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    Searched but not finding.....

    I would like to add an LED to the front panel to tell at a glance whether the green channel is in Clean or Crunch mode. Has anyone done such a modification?

    It does not matter to me whether the LED is lit in Clean mode or Crunch mode, as long as it’s on in one mode and off in the other mode. Presumably it’s as simple as clipping one side of a particular resistor or something, and inserting the diode at that point.... if anyone is familiar enough with the circuit, please chime in
     
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  5. Herbert Mitchell Pearrow

    Herbert Mitchell Pearrow Well-Known Member

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    :band: This is a 40c and an a origin 50H, both amps are being used as heads, through mg cabs, just wanted to share the tone :cheers:
     
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  6. KraftyBob

    KraftyBob Well-Known Member

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    Searched but not finding.....

    I would like to add an LED to the front panel to tell at a glance whether the green channel is in Clean or Crunch mode. Has anyone done such a modification?

    It does not matter to me whether the LED is lit in Clean mode or Crunch mode, as long as it’s on in one mode and off in the other mode. Presumably it’s as simple as clipping one side of a particular resistor or something, and inserting the diode at that point.... if anyone is familiar enough with the circuit, please chime in[/QUOTE]
    I've not seen anything about this but it would be a great mod - for both Classic and Ultra Gain channels. There's a video on YT where a guy added an LEDs to his foot switch so maybe it would be similar?

     
  7. coyote

    coyote Member

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    [QUOTE="KraftyBob, post: 1752901]

    I've not seen anything about this but it would be a great mod - for both Classic and Ultra Gain channels. There's a video on YT where a guy added an LEDs to his foot switch so maybe it would be similar?

    [/QUOTE]

    I’m already doing that mod, when the parts arrive. That one looks easy once the values are known.

    The clean/crunch indicator will be different. Ideally I could just tap the switch itself, or even better install an led button switch. But I’m not gonna remove a board-mounted switch. Too much potential for problems.
     
  8. Herbert Mitchell Pearrow

    Herbert Mitchell Pearrow Well-Known Member

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    :2c: once again 40c and origin 50H dual mono, thanks in advance for your time to check it out :cheers:
     
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  9. Micky

    Micky Well-Known Member VIP Member

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    Your videos look way more professional now.
    Now they are worth of your Marshall prowess...
     
  10. Herbert Mitchell Pearrow

    Herbert Mitchell Pearrow Well-Known Member

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    Thanks Micky :dude:
     
  11. bobpick68

    bobpick68 New Member

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    I'm sure I am preaching to choir here but here is what I ended up doing to my DSL40C. The bias on the power tubes was crazy high. 49 on one and 47 on another!

    Changed speaker to a Celestion Elite 50
    Put a NOS RCA black plate 12ax7 in V1
    JJ EC83 in V4
    Kept stock power tubes and biased to 34.5

    Favorite pedals so far are EHX Soul Food and a Dyna Comp with gain cranked on green channel clean and red channel lead 1 for solos.

    I didnt find a need to clip c19 because the fizziness was easily rectified with the speaker change, bias, and RCA in v1 and eq's dialed right.

    Tremendous amp. I do wish they'd have at least made the baffle board out of plywood or pine but I got by. Just not changing the speaker again. This ones a winner in there compared to the 70/80.

    Oh and also hit all pots and inputs/outputs and tube sockets with contact cleaner.
     
  12. Clifdawg

    Clifdawg Member

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    The Soul Food is a great pedal. I'm running an OCD into my 40C, which I didn't like that much until a speaker swap. After the swap, the OCD gives me this tweedy, Bassman-like low-end grit that I love for bluesy stuff. As much grief as I might get for this, I skip the green-crunch setting entirely now - I keep the green channel squeaky clean, I use the OCD for moderate crunch, then use the red channel in lead 2 with the gain dialed back to about 2-3 for heavier stuff. It's a perfect rig for me; I have no desire to change anything up right now. :dude:
     
  13. KraftyBob

    KraftyBob Well-Known Member

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    Be careful with using Contact Cleaner in your pots. There’s another thread on here about the difference between contact cleaner and deoxit and the outcome was to use deoxit on pots because it has lubricants (that pots need), where as contact cleaner doesn’t and will dry them out.

    Great mods and good to hear your enjoying the DSL!
     
  14. ken361

    ken361 Well-Known Member

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    I used deoxit 5 on my tube pins to clean it, didn't seem to harm it but I learned about the solvent thing after i bought it
     
  15. coyote

    coyote Member

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    Here’s a few seconds of the DSL40c. Sound is Strat into a PitchFork (you’ll notice where I use it), but aside from that unadulterated. Captured from about four feet away on my iPad, the combo’s Creamback plus a 2x12 all firing.

    Classic gain, Crunch mode.
     
  16. bobpick68

    bobpick68 New Member

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    Outstanding!
     
  17. coyote

    coyote Member

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    Thanks! I use the PitchFork via an expression pedal. On that song, it allows me to emulate the keyboard parts and the octave guitar riffs. Aside from that, it’s pure Marshall.
     
  18. Herbert Mitchell Pearrow

    Herbert Mitchell Pearrow Well-Known Member

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    Cool bro I gotta say you hit the nail on the head!!:jam:
     
  19. ken361

    ken361 Well-Known Member

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    Hey Herbert you like old school Chicago? Its jamming right now:)
     
  20. Herbert Mitchell Pearrow

    Herbert Mitchell Pearrow Well-Known Member

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    As a matter of fact yes I do, what network?
     

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