Audio Technica AT 666 is loosing air

My Audio Technica AT 666 is loosing air and want to see if any else has had this problem. if so how did you get yours fixed?
Thanks,

rugyboogie12-05-2008 2:55pm

dmkbox Details Discussions Posts This discussion Message User 2 posts 05-11-2012 at 08:19pm Copy Comment URL Report Comment Edit Delete Hi. Same issue with loosing air. Did you solve it?
dmkbox Details Discussions Posts This discussion Message User 2 posts 09-23-2012 at 05:26pm Copy Comment URL Report Comment Edit Delete Yes, guilty part is little rubber valve-in. I found no solution to replace it. There are special form rubber T insert. It's looks good, but not hold vacuum. Only solution to close valve with rubber cup. Or DIY valve. My skill not so high.