Tubes & speaker upgrade for DSL40c?

Discussion in 'Marshall Amps' started by BigGuitars, Jan 14, 2020.

  1. BigGuitars

    BigGuitars Member

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    Newb here! Hi everyone! I’m a bloody American looking for some Marshall advice. I just picked up the DSL40c and I can tell I’m gonna love this amp! It just needs some fine tuning and it’ll be solid!

    So the two guitars I’ve got are a Washburn N2, and EVH Wolfgang Special 2019. I’m trying to get a good gainy modded Marshall tone in the vein of these players and others similar to them.

    I find that the bottom end response is mushy and flubby. It needs a bit tighter bottom end, but not something that will make it brittle and ice-picky on the high notes.

    I’m going to change out the power tubes and re-bias. Which tubes should I go for? I know whatever I’ll get will be EL34s, but please recommend specific make/models that you think are best please.

    Also, which speaker should I get for it? Remember the tone I’m going for. Would you recommend something’s like the v-type that comes in the dsl40cr, or like a creamback or something like that?

    Thanks for any help!
     
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  2. Adieu

    Adieu Well-Known Member

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    Vintage:
    G12-65 UK
    G12-80 UK
    G12K-85 UK
    V30 UK

    Current:
    Mesa MC90
    Mesa V30
    Marshall Vintage "V30"


    PS for the Mesa/Celestion UK ones, you can get them on the used market OR order them brand new via Mesa Boogie's online store. Marshall V30s are used market-only.
     
    Last edited: Jan 14, 2020
  3. SkyMonkey

    SkyMonkey Well-Known Member

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  4. Mitchell Pearrow

    Mitchell Pearrow Well-Known Member

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    :welcome: To the forum, Sky Monkey has already pointed you in the correct direction, anything and everything you’re going to want to know is in that thread.
    Cheers Mitch
     
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  5. EC Strat

    EC Strat Member

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    i put in a G12 65 Creamback and retubed with NOS RTFs and Telefunken el34’s

    sounds awesome.
     
  6. tce63

    tce63 Well-Known Member Premium Member

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    As @SkyMonkey said and :welcome: to the forum, a great place
     
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  7. Chrome

    Chrome Well-Known Member

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    I'm a bit confused, I have the DSL 40C and it came with Cream back in it? and has great sound?
     
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  8. MarshallDog

    MarshallDog Well-Known Member Premium Member

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    Not all of them did.
     
  9. MarshallDog

    MarshallDog Well-Known Member Premium Member

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    When I had mine I found that I liked Mullard 12ax7s and EL34s in her the best. I also liked the Creamback G12m-65 the best also. I changed C19 to 110 pF which helped on channel 2. The Tube Store Preferred Series 7025 12ax7s were my second favorite pres in this amp!
     
  10. South Park

    South Park Well-Known Member

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    If you like sound of the amp why change things . It is the guitar you need to change
     
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  11. BanditPanda

    BanditPanda Well-Known Member

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    SP..he said......"I find that the bottom end response is mushy and flubby. It needs a bit tighter bottom end, but not something that will make it brittle and ice-picky on the high notes."
    BP
     
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  12. BanditPanda

    BanditPanda Well-Known Member

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    To be honest I don't recall anybody stating that the DSL40C is able to deliver EVH tones.?
    Perhaps Green & Clean channel with an EVH tone designed pedal?
    BP
     
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  13. pedecamp

    pedecamp Well-Known Member

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    I'd put an SD-1 pedal in front set as a clean boost to tighten it up and leave the tubes and speaker alone. :yesway:
     
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  14. Jon C

    Jon C Well-Known Member

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    The Creamback was a Sweet Water Exclusive IIRC…
     
  15. Listogast

    Listogast Member

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    The Creamback speaker really gives you a nice tight response.
     
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  16. Chrome

    Chrome Well-Known Member

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    I agree, its one of the better sounding amps I have.
     
  17. BigGuitars

    BigGuitars Member

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    Thanks for all the input! I’ve got a better idea of what direction I need to go, but with so many tube options, it’s tough to know what’s the best choice. Lots of people are saying JJs, but reading on the Telefunken, that one sounds good too. Just don’t want to spend tons of extra money when I can get the same or better results cheaper.

    Also, wanted to add that my amp is cutting out when I strum harder or do more heavy tremolo picking. It’s doing this with both of my guitars, both of which are less than 6-months old, and in tip top shape. I’ve tried all different cables too. It’s definitely the amp. Not sure if this is indicative of the speaker or tubes going out?
     
    Last edited: Jan 15, 2020
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  18. Mitchell Pearrow

    Mitchell Pearrow Well-Known Member

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    That last part, going in an out, sounds to me like a preamp tube.
     
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  19. Lukas

    Lukas Well-Known Member

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    I
    If your gonna do power tubes I’d get SVETLANA EL34’s, they are mint in most Marshall’s including the DSL40. Preamp tubes I’d say preferred series 7025’s in at least the first and last positions and maybe a couple Electro harmonics In the middle slots. You don’t need to spend a fortune on tubes. Your gonna get 100 different comments on tubes but I’ve used the Svetlanas for years in Marshall’s including the DSL 40 and they’re awesome for gain and tight mids. I think I know what your referring to on the flubbiness. Pickups make a huge difference for this and anything higher gain EMG’s with a Marshall I think are the best. Another way to tweak the “flub” is to put an MXR 10 band eq in the FX loop. EMG’s, 10 band eq and your flub is gone. I have the 40CR and I love the V type speaker. If I would change it I’d try the creamback or the vintage 30. I don’t know what speakers in your 40C but I’d at least try the tubes and the eq before touching the speaker. What I mentioned I think will have more effect on the flubiness than a speaker change.
     
    Last edited: Jan 15, 2020
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  20. SkyMonkey

    SkyMonkey Well-Known Member

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    Have you had the chance to cycle through the preamp tubes with a good spare to isolate a bad one (if one is)?

    Basically get a decent ECC83 tube and try it in V1 (far right when viewed from the back of the amp).
    Test the amp.
    If V1 is good, replace the original tube and try again with the spare in V2 (next tube moving left).
    Repeat for all preamp tubes.
    This should tell you if one is bad.
    A failing tube may be causing the cut-outs and be responsible for the tonal traits you dislike.

    BTW, are you using ANY pedals when the cut-outs occur?
    We have had problems reported before that were eventually found to be due to pedals the OP hadn't mentioned!
     

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