PHD FB 5.1 kit
PHD Audiophile Systems Dealer
I can't decide for you if you want to modify the door to fit a larger mid, but you will get better midbass performance from the larger driver. You need to isolate the rear wave from the speaker from the front wave in order to get the best midbass response, which is not related to the choice of speaker.
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Home to CDT Audio's Systems Design Specialist
Perfect Fit Speaker Kits
Our CDT Audio dealer store, Clarion,_JBL,_Pioneer,_DB Drive,_Metra,_T-Spec,_NAV-TV,_Crùx
My system: Clarion_VX404, JBL MS-8, Clarion_XC6610, JBL GTO-751EZ, CDT 6.7"/4"/1.1" 3-way, 4"/1.1" center channel, Audiomobile Elite 2212 ported, Clarion SRG-1622R