BillFitzmaurice.info

This one is 15" high and accepts a single driver. Not sure if it'd work, but it'd eliminate the need to stack two.

https://m.aliexpress.com/item/1005002719583332.html

Bryan Cox wrote: ↑Fri Jan 07, 2022 6:52 pm This one is 15" high and accepts a single driver. Not sure if it'd work, but it'd eliminate the need to stack two.

https://m.aliexpress.com/item/1005002719583332.html

At over 7 inches deep, I don't think there's anyway that it would fit with the driver bolted on the back. But, probably worth a look at sketchup to see.