So good good to hear from you Anthony and really appreciate your help. I am a bit of a Whatmough tragic...Colin made some really nice gear..Here’s a photo of mine apart, simple cabinet arrangement, no glue or clips just held in by screws and age.....Persuaded mine to open by firmly pulling on the black cable gland at top. If it doesn’t open please don’t pry open with a tool, mine will just have to stay the way they are. Bit unfortunate but is what it is I guess. Kee has been very helpful however seems any diagrams are lost in time. I’ve replaced the bottom drivers and they sound ok but sus