Speaker hole sizes

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Jul 18, 2013 | 02:43 AM

stercorarius

Thread Starter

Senior User

Joined: Jun 2013

Posts: 130

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From: Eastern Washington

Speaker hole sizes

Does anyone know what size and depth the speaker holes in the doors and center of the dash are? It's a 1975 f150 custom if the model had anything to do with it. If there is another hole that I am unaware of, that information would also be greatly appreciated. If you have any tips, tricks, or recommendations that you have picked up regarding installing speakers I'd be glad to hear 'em.

Jul 18, 2013 | 04:52 AM

NumberDummy

Ford Parts Specialist

Joined: Nov 2006

Posts: 88,826

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From: Simi Valley, CA

Quote:

Originally Posted by stercorarius

Original door speakers (18808) 5 1/4" diameter.

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Jul 18, 2013 | 08:32 AM

fmc400

MSEE

Joined: Apr 2004

Posts: 10,386

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From: Austin, TX

6.5" speakers fit my doors perfectly; I just had to re-drill the mounting holes. Note that the diameter of the cutout itself is not the same as the industry-standard size you need to use; the industry-standard measurement includes the mounting flange.

Conduit ran in the door jambs:

Jul 19, 2013 | 11:53 PM

Jayman1976

Junior User

Joined: Jul 2012

Posts: 96

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From: Monticello, Arkansas

Like fmc400 I also mounted two 6.5" round speakers in the doors. Don't cut the doors below the door panel! The hole in the dash I believe takes a 6"x4" speaker or 7"x5". Whenever I removed mine I measured it and it was a funky size that isn't made much anymore. But I have seen people shove 6x9's up there if I remember correctly. Personally, I put two tweeters up there in the dash. I've got four 6x9's, and two 10" subs behind the seat. I put the amps underneath the seat. Not much room for much of anything behind the seat now... It's a little overkill, but man does it have some serious power and thump to it since its all in a regular cab '76.

Sep 13, 2013 | 12:49 PM

highoctane74

More Turbo

Joined: Apr 2009

Posts: 633

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From: Edmonton, Ab

I mounted the 6.5" focal's in my doors. I ended up having to trim the hole a little bigger, and hammer and dollied it flat. These speakers are huge compared to my old ones.