Beolab 2 restoration

I picked up an old Beolab 2 that's been sitting in storage for some time. The radiator panels have become a bit melted and sticky, in fact I can scrape some goo off of them.
Is there any way to restore them without having to replace them (also a challenge to find the parts)?
Would solutions like Goo Gone work without damaging it?
If I keep taking the film off on the surface, will I actually reach a point where it is no longer sticky and looks good?
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Pics for reference, thank you!
 

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This person apparently has done it, but provides no details about the method.

https://www.facebook.com/3810925060...the-soft-touch-paint-coating/519647935574337/

70% or higher isopropyl alcohol is often used to remove soft touch coatings on plastics. You might want to try that on a small area and see how it goes.

The higher the alcohol concentration, the faster it'll evaporate, which should help prevent damage if you get a little on unintended areas of the speaker. I'd still try to keep it off other parts though. Higher concentrations can attack latex paints and other weaker finishes more than rubbing alcohol, so don't drip it on painted/varnished surfaces around the house. Plastics, rubbers, metals, car paints, etc. are typically fine though.
 
This person apparently has done it, but provides no details about the method.

https://www.facebook.com/3810925060...the-soft-touch-paint-coating/519647935574337/

70% or higher isopropyl alcohol is often used to remove soft touch coatings on plastics. You might want to try that on a small area and see how it goes.

The higher the alcohol concentration, the faster it'll evaporate, which should help prevent damage if you get a little on unintended areas of the speaker. I'd still try to keep it off other parts though. Higher concentrations can attack latex paints and other weaker finishes more than rubbing alcohol, so don't drip it on painted/varnished surfaces around the house. Plastics, rubbers, metals, car paints, etc. are typically fine though.
Thanks, I actually came across and dropped them a message but they never replied 🙁
Anyway, i'll give what you suggested a try, thinking could also use a plastic polish (ie. Meguair Plastic X) to polish it up, hopefully it'll work. will report back after, thanks!