Re: can someone check my measurements please
That sketch is legit... lol
An L-Port box is one way to get more port area while keeping a relatively small box. Standard round/square port boxes have to take into account the tube itself + the limited area you can devote to a tube/hole in your box.
L-port box calc: RE AUDIO - Box Calculator
'65 VW Bus
(2) PG Ti 12's, (2) Aura Sound 8's, (2) SoundStream 6.5 coax, (2) Alpine Type-S 6x9's [rear fill], MBQ DSC1500.1D, RF 501X
'02 BMW 330xi (AWD coupe)
Harman/Kardon 12-speaker System Option - sounds good =)