Home › Forums › Help/Technical Questions › Micro POG True Bypass?

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  • July 7, 2009 at 10:35 pm #78546
    flyingv74
    Member

    I plugged in my Micro POG the other day to see about creating some different tones on one of the tunes that my band is working on. Much to my surprise, my basic tone was just not sounding right. And then it hit me, “Unplug the Micro POG!”. Ahh! All better! So it is obvious that the Micro POG is causing this shift in my tone and it is also obvious that it is not a true bypass pedal. After this, I went to the EHX website and discovered that nowhere on the site does it say that the Micro POG is true bypass. This leaves me questioning why if the POG, HOG, and almost every other new EHX pedal is true bypass, then why isn’t the Micro POG? This makes very little sense to me. And as it is, I can’t afford to have two pedals on my already over-crowded pedal board (Micro POG and TB looper) in order to create something different on just one song. So I guess my basic question is is there anyway to modify the insides of this pedal so that it is indeed true bypass?

    July 8, 2009 at 7:46 pm #99034
    The Tone God
    Member

    The uPOG can be true bypassed, I did it with my modded uPOG, but it takes a fair amount of skill. If you don’t have a decent technical background then I would avoid attempting it.

    Just my opinion.

    Andrew

    July 8, 2009 at 10:16 pm #99059
    flyingv74
    Member

    Cool! I’m glad to hear that I am not the only person on the planet that has experienced this. I consider myself fairly technically savy. I am pretty good with a soldering iron. I have built a couple of pedals and an amplifier. And I have repaired some electronic gear hear and there. I also have an electrical engineering degree. So I am pretty good with anything except soldering those tiny SMT components. I would love to know more about any mods that I could make to the uPog to true bypass it or make it sound better. Something that I really find myself wanting is the LPF from the full blown POG. Can an LPF be easily added that only affects the octave tones and not the original guitar tone? I know, I am probably asking for too much. But the worst that someone can tell me is “No.” Right?

    July 8, 2009 at 10:26 pm #99063
    julian
    Moderator

    You could definitely add an LPF like that. All it should take is a pot and a cap. Though you wouldn’t have a Q control.

    July 8, 2009 at 10:47 pm #99065
    The Tone God
    Member

    In that case I can get into a little more detail. I moved my uPOG into a different case saving the case from damage so I can set it back to stock if I wish. I removed the footswitch, the ribbon cable, and LED (since it would be on all the time and get in the way of mounting) then hardwired the board to “engaged” full time. I add another set of jacks and performed a true bypass. You can use a normal footswitch for this. I used a relay since I was using my footswitches for other functions/features as well as bypassing.

    Regarding the LPF mod, I believe it could be done but I have not tried it so this is theory on my part. I think the buffered input feeds buffered output and dry mix control as well as the A/D for the DSP. If the input to the A/D can be found then you can add a LPF to just the A/D input. This will affect the input to the DSP thus the output signal. Otherwise you could try it on the output D/A before it hits the mixer section.

    Your Tone God,

    Andrew

    July 8, 2009 at 11:51 pm #99072
    julian
    Moderator

    putting it in the output D/A before the mixer is what I was thinking.

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