Great way to mic up cheap.
I do mainly recordings of guitar and my vocals so I bought a Tube Mic100 and a TubeMic200. Essentially similar pre-amps with the exception of some fine adjustments that the Mic200 gives you over the Mic100. I love them both. I use the 200 for vocals so far, but I am curious to see how the fine adjustments affect the acoustic guitar tone as well. Crisp clean and an infinitesimally small noise factor give this piece of gear a huge advantage over just plugging in to the mixer without the pre. I wish there was an on/off switch and I may just have to rig one but other than that, for the price of these, they are well worth the money if you want a recording to sound clean and clear. They can help make the difference between a song you want to listen to and one that sounds like you really did do that in your basement. Not so good.