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Using a Toneport UX1 with a condenser mic


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Hello Line 6 Community.


Been using Line 6 products for more than 10 years now, but always for live sound. I just started my home studio and decided to go simple first, so I already had a Line 6 TonePort UX1 and I decided to use it as my soundcard/table.


I play guitar and always used my toneport with programs like gearbox, guitar rig and amplitube. It always worked well, but I've never tried XLR input of my toneport since I never wanted to record voice.


Then I bought a mic. Without knowing what "phantom power" and "condenser" mics really meant, I fell for a Behringer B-1 mic. For in case you guys don't know, it's a XLR condenser mic (which needs 48v power to work). So I turned it on my toneport and the expected happened: "No sound". Then I searched in the internet for the cause and it led me to "Phantom Power boxes". I bought one of these little boxes that apparently have a XLR input, a XLR output and a Phantom Power switch.


I rigged everything to my toneport. When the phantom power switch of the box is off, the green light saying 12v appears. In that case, the microphone works but with a very low audio gain. Ridiculously low, srsly. When I turn the Phantom Power on, the red led says 48v and then... for my surprise... it doesn't work at all. The toneport doesn't get any sound.


Then I thought that it makes sense, "How does the toneport will receive a 48v signal by being only connected in a USB input?". I guess the guy who said to buy a phantom power box thought that the toneport ux1 was connected to another source of energy, not only USB.


My question is:

Do I have to upgrade to Toneport UX2 or other newer version which doesn't rely only in usb as a power source so I can use my 48V mic? Or it should have worked 48v in my toneport? I'm lost now, since the internet says one thing and I've tried and didn't get results...


Thanks in advance and have a nice day, guys.

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You definitely need the 48v phantom power box to get a condensor mic to work with the UX1.  What box did you get.  Does it call for an external power supply or batteries?


It's one of these, I believe it's made in brazil.


It looks like the Samson's. It does have an external supply that connects on the wall socket.


Analyzing the situation, it looks like that toneport ux1 xlr input doesn't support 48v at all. Not even with an external power source like those boxes.


Thanks for replying me.

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The external box should be supplying the phantom power.  After that the UX1 should work fine.  UX1 does support condenser mics if you are using external phantom power as you are trying to do.


Should it work?


I mean, the rig is like this:


Mic on phantom power INPUT -> Phantom power output on Line 6's toneport XLR Input.


So now the situation changes, the problem is on the phantom power box or on the mic itself. Condenser mics (even those mid-priceds like the behringer b1) should be sensible and have a huge gain, right? So I'll have to test my mic+box on another device.

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Not all mics have huge gain.  Make sure that your gain settings are high enough on the UX1 (dial on top), and in POD Farm, if you are using it.


Testing the mic & box on another device is an excellent idea.  Make sure that the "Pad" is not engaged on the mic.  That will also reduce the volume.

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  • 2 months later... carlos from portugal..and i have a line6 ux1..i also bought a condenser mic, and a phantom power box, since the ux1 doesnt have phantom...i connected all, and for my surprise..i have a low gain on my mic!!..i have tested the mic in other way(its fine), i tested ma phantom box(its also fine)..and i tested my ux1 with a dinamic mic..and also you think that is because my usb ports may be bad?i installed the ux1 in other computer, more recent, and i have the same problem..a very low signal from the condenser mic..



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