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Amp Output Question

Discussion in 'Amp Input - Normal or Bright' started by Cold Shot, Sep 25, 2020.

  1. Cold Shot

    Cold Shot Strat-O-Master

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    I just snatched up an Origin 50C (same one from my NAD thread), and got it home today. The amp is putting out incredible tones, but it's not outputting like a 50 watt tube amp should. All the tubes are glowing and the output volume 3-position switch is working, and it gets pretty loud, but my DSL40C smokes it in terms of volume. So I have a couple of questions that may clarify some things.



    1.) I replaced the 70/80 in the DSL40C with a Vintage 30. The speaker in the Origin 50C is the stock Midnight 60 speaker. The magnet on the Vintage 30 is huge compared to the Midnight 60, so with that being said, would a speaker swap help with the output as well as it does tone?

    2.) This is a 50 watt all tube amp compared to a 40 watt all tube amp. There shouldn't be any real difference between a 40 and a 50 like there would to, say, a 40 and a 100 watt head, but if there was, wouldn't the 50 be a pinch louder, or am I going nuts? I surely wouldn't think a 40 watt combo would be louder than a 50 watt, much less by such a large margin.

    3.) Could the DSL's two channels be a factor? I'm playing on the Clean channel using Crunch for comparison to the Gain on the 50C, but is that actually comparable?


    I'm not new to tube amps, but I'm fairly new to old school Marshalls. I've heard that even though the JTM45 is only 30 watts, it's supposed to be able to blow not just your windows out, but the neighbors' windows, too. I don't expect the Origin to do that, but I think it's supposed to be getting louder than it currently is, but, again, I'm not an expert. I wouldn't be asking y'all if I was. :p
     
    Last edited: Sep 25, 2020
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  2. Jesse414

    Jesse414 Senior Stratmaster

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    That seems weird to me it should be almost insanely loud on the full power setting. How high did you have the gain and volume set?
     
  3. The Strat Dude

    The Strat Dude Posy rules!

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    Speaker efficiency can make a huge difference in volume.
     
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  4. Cold Shot

    Cold Shot Strat-O-Master

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    Full on both with boost engaged. Tried pushing it through the Swamp Thang in my Ultra 112 and it had more punch and low end, but volume was just slightly higher. Slightly.
     
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  5. Cold Shot

    Cold Shot Strat-O-Master

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    Meaning what for a combo? Running a 50 watt amp through a 60 watt speaker?
     
  6. The Strat Dude

    The Strat Dude Posy rules!

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    It should be very very loud through a swamp thing, about as efficient a speaker as you can get
     
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  7. Stratoholic

    Stratoholic Senior Stratmaster

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    JTM 45's are 30 watts.
     
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  8. Cold Shot

    Cold Shot Strat-O-Master

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    I would've thought so, too. But I had it cranked and, just for giggles and comparison, had my DSL40C with onboard Vintage 30 running in stereo and it wasn't even close. The DSL was running away with it.
     
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  9. Cold Shot

    Cold Shot Strat-O-Master

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    My apologies. Corrected.
     
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  10. The Strat Dude

    The Strat Dude Posy rules!

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    Somethings not right
     
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  11. Cold Shot

    Cold Shot Strat-O-Master

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    It's gonna go back to Guitar Center on Monday, I'm thinking...
     
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  12. Jesse414

    Jesse414 Senior Stratmaster

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    Possible tube problem I recently lost almost all sound output on my ac4 so I pulled the cheap chinese tubes and my volume is back. I would maybe return it and make them send you a fresh one. I think tubes can be bad or dying but still glow. Or maybe yours has some issue with the power scaling circuit.
     
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  13. Cold Shot

    Cold Shot Strat-O-Master

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    I bought it used. All I'll get is a return. I'm pretty sure the tube order in the DSL40 is the same as the Origin 50c, so I'll try swapping the tubes.
     
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  14. Cold Shot

    Cold Shot Strat-O-Master

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    I was wondering about the Power Scaling Switch...
     
  15. Stratoholic

    Stratoholic Senior Stratmaster

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    The reason the DSL 40 is louder is that Vintage 30. It's rated for 100db @1 watt, while the Midnight 60 is rated for 96db @ 1 watt. 4db makes a huge difference.

    Also, the speaker(s) should be rated for at least twice the power of what they're actually getting.
     
  16. The Strat Dude

    The Strat Dude Posy rules!

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    Possible, could also be a tube issue, either way bummer. good luck.
     
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  17. Cold Shot

    Cold Shot Strat-O-Master

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    I'm not an expert in decibels. Is that a significant difference? And if that bit about the speaker is true, then why would they ship out a 60W speaker in a 50W amp?
     
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  18. The Strat Dude

    The Strat Dude Posy rules!

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    The swamp thing he tried also is like 103, it should at least close to the same volume.
     
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  19. Cold Shot

    Cold Shot Strat-O-Master

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    Y'all have been a big help. I'll try playing with some tubes tomorrow and see what that does. If it doesn't change anything, then it's probably something in the power dampening switch. Too involved with me, so back it goes.
     
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  20. Jesse414

    Jesse414 Senior Stratmaster

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    Oh for sure I didn't know you got it used swap tubes and report back :)
     
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