speaker size

[Jason]

Can anyone tell me what the original size of the front speakers on a 73 mach 1 were? Thanks!

 

[Totalled]

Door? 4x8.

 

[TommyK]

This doesn't really answer your question but here are the original speaker installation instructions. Perhaps they will be helpful.

 

[jeff8877]

Here you go...4 x 6...see pic.

http://www.cjponyparts.com/ken-harrison-door-speaker-pair-1969-1973/p/SPK10/

 

[Totalled]

http://www.nationalpartsdepot.com/store/products/mustang_speaker_assys_radio_4_x_8-184732-301.html

 

[Mister 4x4]

Here you go...4 x 6...see pic.

http://www.cjponyparts.com/ken-harrison-door-speaker-pair-1969-1973/p/SPK10/

Those are 4x6s in 4x8 adapter plates.