Inverse mounting drivers with raised lip

Looking for some advice here on inverse mounting a pair of Oz Me12's. The drivers come with a thick rubber cover that goes around the lip. The lip itself has a raised outer edge that is ~1/8" wide and tall.

I'm going to ditch the rubber cover and mount straight to the wood. What would be the best way to cut that 1/8" notch so that there is a perfect fit, and is that the best option?

i would sugest just leave the rubber cover to me it seals preaty good and if your concern is the woofer not sealing properly i would sugest making a gasket out of gasket material ( you can buy it at your local parts store) and just moynt them with that gasket. well thats my opinion maybe has a better opinion.

You always come up with good questions.  I think I would use two layers of speaker sealing tape around the recessed area of the lip.  When the driver is mounted, it will compress the gasket tape and you can torque it down until the raised edge sets flush against the surface.

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Build the box so that it performs well in the worst case scenario and, in return, it will reward you at all times.

stevdart wrote:

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You always come up with good questions. I think I would use two layers of speaker sealing tape around the recessed area of the lip. When the driver is mounted, it will compress the tape and the raised edge will set flush against the surface.

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Thanks! I'm just trying to learn as much as I can from all the great minds on here.

I actually considered the gasket tape since I have a 50ft roll laying around, but I wasn't sure if that would be the "proper" way to go about this. Sounds like a winner though, and I won't have to mess with cutting that notch.