Need advice on cheap preamp with tone control

[smoothdave]

I'm looking for advice on a cheap preamp and tone control.

At the moment, I'm running into the board via XLR and into a power amp driving a 15inch main speaker, so I would like something that can give me the XLR out to the board and 1/4 out to the power amp.

I would kind of like to try a tube sound, so I was thinking about the Behringer MIC200, but that doesn't look like it gives me much tone control, and the tone control is more important than the tube.

I was also looking at the Behringer BDI21, which looks like it will handle the tone control, but I don't want the modeling. I guess if I can bypass the modeling on this unit, it might be good.

Do you have any other suggestions? Here are my priorities in order of importance.

Under $50
Enough power to feed the power amp
Tone controls-treble, mid and bass
A tube that I can bypass
Two outputs, XLR and 1/4

Thank you.

[RickenBoogie]

A very tall order, indeed. Maybe someone else has something better, but all I've got is to shop used. Good luck.