I could some help getting mine right.
HU- Alpine CDA-9813
Amp- Alpine MRVF 357 5ch 40x4- 120x1 sub
Front Speakers Polk DB6750 - 6 3/4 componants
Rear Speakers Polk DB460 - 4x6 coaxial
Sub Polk -MM2104 10in sealed encloser
This is in a 1998 ext-cab Pickup all speakers in factory locations.
These distances are from speaker to center of driver seat where my head is located:o..
Any help would be great, Thanx