I just stumbled across this.
https://www.soundtoys.com/sxsw2012/&rc=335-3490-787 (https://www.soundtoys.com/sxsw2012/&rc=335-3490-787)
"Little Radiatorâ„¢ gives you the warm sound of the classic Altec 1566A tube mic preamp, and it's totally free (for a limited time)."
I have no affiliation with these guys... Just sharing the love :)
I jumped through many a hoop to get to this.
Turns out you need an iLok usb thingy :roll:
Oops! - Sorry, should have mentioned that. I got an iLok with another plugin a while ago, so just uploaded the licence without thinking. Sorry.