[Bushman]

Originally Posted by Stratopastor

(tried to reply without noticing what others had said)

the ribbon's too boxy. the Groove Tube is OK, the SM57 wins by sounding more in-yer-face than the GT.

Yeah, what Stratopastor said....
The other two were too muddy sounding, might be just okay for a solo instrument, which is rarely the case, but the 57 sounded more punchy and articulate.

I would've liked to hear an e609 thrown in the mix.

[pwfirst]

My favorite was the Groove tube, had the highs and lows and was full with out being muddy like your last mic selection. I must admit I record with the sure 57 with a tube pre amp and it is my favorite sound but I do have a Rodie NTA which is my overall favorite mic. The pros use 2 mics one in front and one in back and put on with reversed phase . I can't here a difference when I try it.

[Maestro_dmc]

Seems to be the consensus that the ribbon mic doesn't sound so great. At least in this context, of solo guitar amp. I'll still try it in a tracking context and see if it may be the thing to tame a really brittle/bright guitar amp.

I may have mentioned that I recorded all the tracks at once, so I did not tweak the amp or eq based on what I was hearing. In a tracking session I would adjust both until I got a usable sound. (Assuming the Ribbon seemed like the right choice to begin with)

Also, FWIW, I'm not a "pro" (at recording anyway) but I don't know of anyone using the two mic trick you mentioned on anything except a snare drum.

I've used two mics out front though, one for the speaker, and one for the room. . .