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  1. #101

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    Quote Originally Posted by grahambop View Post
    Rob recently announced he is staying off the forum for a while.
    That is a shame, not only am I interested in the gizmo itself, I enjoy Rob´s input and take on life in general.

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    The Jazz Guitar Chord Dictionary
     
  3. #102

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    Quote Originally Posted by Ukena View Post
    Does the tube glow when it's warmed up? Or is the voltage so low that it isn't very noticeable?

    I ask because I can't see any evidence of a glow in mine, but changing the voicings definitely changes the characteristics of the sound. I can see a kind of reflection from the VU meter, but I can't see that the tube is actually glowing...
    I have the V3. It's my understanding the Art has a 'starved plate' design. Low voltage going to the tube. High voltage is the reason tube preamps designed to be driven if needed are so expensive.
    The Kingsley Maiden and Page are very good at it. The Page can go from clean to mild drive. 'Low gain'.
    A big deal is made of Dumble amp drive. The saturation is very smooth. Some of the Kingsley pedals and some others can do that well.

    There's a lot of hype about 12AX7 tubes but the Art does what it's supposed to do. Add gain and quiet tube mojo. I like it as vocal preamp. I might put it in the FX loop of my amp modeler for guitar.

  4. #103

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    So I took the Studio V3 apart (slightly separated the top from the bottom) so that I could have a clearer look at the tube. Plugged in the power adapter, and could see that the tube has a very slight glow at the top. I didn't notice it at first, until I unplugged it; then I could see that a very slight glow dimmed much more slowly than the VU meter, which shut off immediately.

  5. #104

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    BTW, careful with taking these apart! In the ones I've seen (Art Tube MP and the older Studio model), the gain pots are surface-mounted to a daughter board which is held to the cover only by said pots, and connected to the main circuit with very stiff ribbon cables. I'm pretty certain I broke on of the connections of the output gain pot when I struggled to open the 2nd unit I got (which "fortunately" arrived with a horribly low SNR so was refunded).

  6. #105

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    Yes, I'm used to taking things apart gently (done lots of laptop and tower computer excavations in my prior life as a computer tech). Those ribbon cables are extremely stiff, and too much effort in the separation could make the device unusable. But as I said, I only slightly separated the top from the bottom, just enough to see the tube...

  7. #106

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    This discussion inspired me to look for a new guitar tube preamp for recording. However, I was looking not for the starved plate but for a high voltage tube circuit.

    There are some old rack units, mostly aimed at overdrive and rock guitar, with some clean patches. These are Marshall JMP-1 and ADA mp1/ mp2.
    There are also some new rack and pedal units, but even more focused on rock.

    Finally I found a pedal tube preamp dedicated to a clean guitar sound. This is Two Notes Le Clean preamp.
    It has 12ax7 tube, as the Art preamp discussed earlier, but uses 200V internal voltage for the tube. It has unbalanced line level and balanced 600ohm DI outputs, and headphone output. It comes with a license for 20 cabinet/speaker models for using within the Torpedo Wall of Sounds VST from Two Notes. There are some nice demos on YouTube to look at.

    My unit is on its way. Have you ever used or heard this preamp?
    Last edited by msankowski; 12-11-2021 at 07:39 PM.

  8. #107

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  9. #108

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    The above demo uses Le Lead, another pedal from the same family. From what I have read about them, all three have same clean channel, while difference exists in the "overdriven" channel.

  10. #109

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    I guess the Art Tube MP is intended primarily for recording use, but I have used mine recently for a gig or two and it's worked well. I could do with a touch of reverb in some rooms - is there any similar preamp that includes a controllable reverb, would be nice if that was all available in one box?

  11. #110

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    Quote Originally Posted by bleakanddivine View Post
    I guess the Art Tube MP is intended primarily for recording use, but I have used mine recently for a gig or two and it's worked well. I could do with a touch of reverb in some rooms - is there any similar preamp that includes a controllable reverb, would be nice if that was all available in one box?
    If you are looking for a top there is of course the Quilter, both the UK and the US, if you can find one. The Toneblock 202 which seems also to be scarce is very nice, plenty of power and has reverb but perhaps not quite the step you were looking for.

  12. #111

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    Quote Originally Posted by bleakanddivine View Post
    I guess the Art Tube MP is intended primarily for recording use, but I have used mine recently for a gig or two and it's worked well. I could do with a touch of reverb in some rooms - is there any similar preamp that includes a controllable reverb, would be nice if that was all available in one box?
    Have a look at Milkman.