mfishmike: Puncher, That was one of my concerns I had when I converted mine to passive radiators. I knew the cabinet tuning frequency would be raised a few hz, but being used as surrounds and the sub taking over everything from 60 or 80hz and below, it wasn't an issue for me. I will probably leave one of the spare RL 60's I have with them and

mfishmike: Thanks Puncher.....I'll pass on that info to my Speaker Surgeon... I think foam ought to be used on coffee "to go" cups only.... Mike The trick will be, when in the sealed enclosure of the speaker housing, to match the resonant frequency of the original part.

I believe our own Dillen can refurbish failed ABR's with rubber rather than foam that has the same (or at least very similar) compliance to the originals. The rot problem would be no more. The reason I have the ports is that I repaired mine many years before Beoworld was invented and could only source the official parts. By the time I knew it was

For those that haven't seen it before, here is a picture of the rear of the official B&O port conversion for the ABR of RL60's/40's.

h1npw: Hi Dave Did you get my PM (might have sent it as an email) - can't remember..... Cheers Nigel Do you mean me?? - I've recieved nothing, neither PM nor email

Craig????????????

h1npw: They're gone! To someone collecting to start up "a bit of a museum"......... I won't steal their thunder! Cheers Nigel I wonder who it could be ????????

9 LEE: Henry: Received the cap this morning and it looks great! A cheeky wee piccie perhaps Henry? Aye go one..................... prove Moxxey right!

I'm not sure I fully understand the logic of your deduction.

Ahh................ so that explains the "T"....................... it's Andy T**tmarsh (Have I spelled that correctly )