Robert, check out the LR Baggs para-acoustic DI. I've read a lot of good things about them and a buddy said that's the one to get. Good luck Fri.
It's the most overlooked component of the signal chain! I had a wow experience with the Radial J48, it was really like pulling out the earplugs. It's pricey and you'll want to keep an eye on it in public. It requires 48v phantom power (though, it can be modified for a battery...) and acts as a preamp with limited tone controls. Radial also makes the Pro48 which is a lower priced version, but I haven't tried it. There seems to be lots of enthusiasm for Radial products and Countryman. Anything under about $100 is going to be 'just a direct box'...
yep, same thing. the mixing board sends voltage down the cable to your mic or di. the LR Baggs also operates on phantom power or battery in a convenient way
I use the LR Baggs para-acoustic DI and recommend it.
one of the less expensive di's that seems fairly highly regarded is the imp2. I think they're about $40-50. when you look at less expensive models they simply convert your signal from high impedance to low but they do it in a way that can color your tone. Good quality units use higher quality components that have less effect on your signal.
The Baggs is a good choice especially if your guitar doesn't have a preamp built in. It is really a preamp with a balanced xlr output, so you have tone shaping and some feedback controls. It's a good product, but it's more than a di. If your guitar has a preamp and all you want is to convert your signal to get to the mixing board you can save some money going with a quality di box.
If you have some good shops in your area, go try some out. If the clerk says they're just di's your talking with the wrong person...
As I have said to a few others asking about DI Boxes, I have tried numerous ones, and actually the cheapest one I have found does the best job that I have seen. It's the Behringer ADI21 Acoustic Modeler/DI.It stays on my board and I use it even on my electric guitars on clean setting to boost the signal, and conture sound on single coils. Works outstanding.