I'm thinking of getting the M3 or the V6 too. Seems like the M3 might be warmer sounding looking at the frequency chart on the MXL website. The M3 has a flatter response, whereas the V6 has a gradual rise starting at around 2K and peaks at around 9K and gradually rolls off after that.
I guess it all depends what you're after. I'm mostly going to use the mic for acoustic guitar and maybe some male vocals. The M3 is supposed to be voiced for male vocals from what I've read elsewhere. There's also supposed to be an M3-P for female vocals, but I don't see it on the website.
Layne
The V6 is warmer.....way warmer, but does have a high end spike.
It's good if you want a really toobey sounding mic, even though it doesn't have tubes.
The M3 is
supposedly voiced like a U67....I dunno about that.
The M3 does sound a tad Neumann-ish but lacks the depth of a really good mic.
As far as pink vs blue, they are the same mic.
I still own the M3 but have sold two V69ME and one V6, for whatever that's worth (nothing really).
In all, I think it is a totally overlooked mic and I would definitely recommend it over the V6.
FWIW, IMO, a good combination of affordable LD mics for the home studio are the Oktava MK319 and
the MXL M3. The MK319 (modded) is smoother and clearer, the M3 has a bit more character, which you might typically expect in a LD vocal mic.
Good luck..........