I'm willing to bet one reason for the discontinuation was difficult load.Many Euro hobbyists like low powered tube stuff(great,btw)and that is a NO-NO with the Extremas!Did I say that these speakers are Gorgeous,and Unique looking???
There was a nice,used,pair available about two months ago.In mint condition.I was hoping my friend would pick them up,as he has a wonderful amp,for matching.The Rowland 8T.He passed.His loss!!
Best!