Weber Speakers with "Pre-Rola Dope"?

[Killcrop]

So I was looking at some of the Weber speakers. They offer a selection of No Dope, light, heavy and "Pre-Rola" dope. Anyhow, looks like they are aging their cones. Anyone try one out?

Pre-Rola Treatment For this doping, the cone is artificially aged and chemically treated. Vibration dampner compound is also applied to the cone body and surround.

[sannella]

I have their equivalent of a G12M with the pre-rola treatment. It's less bright than the reissue G12M (and also slightly, but noticeably less efficient), with a really cool texture when it breaks up--it gets very woody and reedy sounding. With a cranked Tele, I find it to be a thing of real beauty.

[lefty kwan]

Interesting topic here. I just applied some acetone to the surround of my old Celestion V10-60. It's an old well broken in speaker but I stopped using it because I found it to be to dark/w lower mids. Before I applied the acetone, if I gently pushed down on the speaker cone you could see and feel how tight the doping on the suround was. After applying the acetone the doping loosened up signficantly, which you could see and feel was different than before.
Running in my Pro Jr the speaker may have lost a little efficiency but the top end sounds much sweeter, the lower mids seem to be less pronounced and the bass is still nice and fat. Overall the speaker seems to have a clarity and balance that didn't have before, plus it seems to breakup nicer.
I since checked the doping on my older english reissue Grennbacks and the doping was nowhere near as tight/thick as on my V10-60.