Yes got your mail. Me and Michael Berger (US Support) wrote back several times, but did hear nothing back. Didn't get those emails? Spamfilter?
There are two types of rubbers used in the amp. Don't want to send the wrong around the globe. Could you send me a cell phone photo of where the missing part is supposed to be?
Sorry for the long disappearance. My mother passed away a while ago, and I forgot all about this. My amp is still under warranty. Sending pics tomorrow. Thank you, Clay.