I used to have a Carvin MX-1644 mixing console that I bought brand new, it was a great unit never a problem ( it had built in Hammond spring reverb) only sold it cause I needed more than 16 channels....and I picked up 4 used Carvin monitors that had JBL E-120's in them and a pair of Carvin horns that had 1 inch JBL drivers they sounded nice also.
HOWEVER....
Some years ago I picked up a used Carvin doubleneck guitar on top, bass on bottom and it had a crack in the bass neck either from shipping damage or the person who sold it to me BS'd me ( a whole other story).
So I contacted Carvin and asked them if I could send them the neck and have a new matching one made, the person I spoke with was very unhelpful and told me they couldn't/wouldn't do it, I also spoke to someone else on another day to get some information about the Doubleneck, emailed him pictures, gave him the serial # and he was absolutely useless, couldn't tell me what model it was or what year it was made.
So now I am anti-Carvin because of that experience, since then I had a local luthier repair the neck, he did a great job and you almost can't even see where it was damaged, and I saw another one up on Ebay a while back, the seller had ALL the information in his description Carvin was unable to provide me with.
I have 2 real nice Carvin double necks, but unfortunatly doubt I will use anymore of their products, I've gotten better support from Peavey, Ibanez and of course Alembic ;o)
B.