Quote:
Originally Posted by toitle
I'm about to purchase an M235i and was curious if anyone has measured the 4" speaker depth and/or also knows the maximum spacer size.
I've searched and have only found answers recommending speaker sets - unfortunately, none of them publish dimensions.
Even if you've installed a mid from a manufacturer that publishes dimensions that would help a great deal.
Appreciated.
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In the doors, you have roughly 23mm of space below the plane of the mount point -- less than an inch. You can add to that clearance with a spacer; a typical F30 spacer with 10-13mm of rise works well for most 4" drivers. Any more than that and you risk the driver making contact with the door card, which has a ring moulded into it that mirrors the position of the driver.
On the back deck, depth is not an issue.