i am just taking an amp back to dealers that one or two are finding works well with an -j . however sadly it costs a lot more than your budget !!
however i do get very good results using arcam a75 or a85 with horns . arcam make very good vfm amps within your budget . the new denon amps such as pma800ne are well worth a listen too
ou might slip, you might slide, you might
Stumble and fall by the road side
But don't you ever let nobody drag your spirit down
Remember you're walking up to heaven
Don't let nobody turn you around
… Walk with the rich, walk with the poor
Learn from everyone, that's what life is for
And don't you let nobody drag your spirit down
Eric Bibb