[C320-list] Replacement of Poly-Planar MA4055 Cockpit Speakers

[Karl Mielenhausen]

I replaced mine with a pair of Dual DMS652's
They required a 143mm cutout diameter. I don't think I had to remove much
fiberglass if any at all

Karl


On Tue, Nov 28, 2023 at 10:43 AM Cliff Lee via C320-list <
c320-list at lists.catalina320.com> wrote:

> Our MA4055 cockpit speaker cover grills have deteriorated/broken.  It
> appears Poly-Planar no longer makes the MA4055 and I cannot find an
> equivalent.  Any advice?  Thanks,
>
> Cliff Lee
> Comfort Zone
> 1995 Hull 268
>