I'm going to give that a try and a-b it with my DI box setup.
The one question I have is what kind of XLR cable are you using? The xlr end of the inline adapters are usually the female end and the xlr inputs on a mixer or powered speaker are also female. Are you using a male-male xlr cable?
Here are the adapters I have.
http://www.americanmusical.com/ItemI...Large/p171.jpg
Also, I have often wondered why more instruments don't have built-in transformers so that you can run either XLR directly out of your guitar/bass (I play bass mostly) or 1/4" or both. I know some acoustics do this. If the circuitry is small enough to fit in those inline transformers... I may be modifying some axes pretty soon.