View Full Version : Help with building a Slot ported box for 12" around 37hz

03-01-2014, 04:48 PM
Vehicle : Toyota TE71
This exact car.
http://i219.photobucket.com/albums/cc232/BJ_BRIAN/481161_10151392707543611_276013839_n_zpsb0494886.j pg

Location in the vehicle: In the trunk facing toward the back
Space available (Length x Width x Height): Not too much id say 17"x16"x18"
Subwoofer make and model: MDS (MD-12/4000) Bought it second hand so and i cant really seems to find specs for it. old owner had it in a bandpass box and it was LOUD enough "for me" but the box was too huge for my car.
http://i219.photobucket.com/albums/cc232/BJ_BRIAN/1932284_10152071612468611_997505269_n_zps5a5d32a2. jpg
http://i219.photobucket.com/albums/cc232/BJ_BRIAN/1960016_10152071612463611_260484816_n_zpse0c84720. jpg

Subwoofer Size: 12"
Number of Subwoofers: Single
Type of Port: Slot
What type of music do you like?: Hardstyle, Hardbass, Hardcore.
This type of music
Da Tweekaz & In-Phase - Bad Habit (Official Video Clip) - YouTube (http://www.youtube.com/watch?v=-Ccll-KFo-E&index=10&list=FLE03Ft7qy4faPqikzvSD68w)
Psyko Punkz ft. Murda - Trippy Hippie (Official Videoclip) - YouTube (http://www.youtube.com/watch?v=_kacFU6Oog4&index=3&list=FLE03Ft7qy4faPqikzvSD68w)
Angerfist - Burn This MF Down (Music Video) - YouTube (http://www.youtube.com/watch?v=JhGC6annqVQ&index=7&list=FLE03Ft7qy4faPqikzvSD68w)

Is your goal SPL or Everyday Music?: Everyday.
Tuning Freq (Hz): looking for around 36-38hz

I have been researching for couple days already and most of the free design ive found is way too big for my car and ive had a look though the free plan thread but most of them are just too wide to be practical.
Im looking to build something simple like this, i dont do any compettition and i never will its just for my self listening to music in the car while sitting in annoying traffic.

If anyone know of any thread or any free plan around that size slotted box please leave a link so i can finally get started on the box.

Thank you in advance!

03-03-2014, 10:16 AM
So i came up with this... would it work?


03-03-2014, 10:22 AM
with your space restrictions I would run aero ports that way you can get the correct airflow and box volume. RE calculator is not accurate at all

03-03-2014, 01:11 PM
hmm maybe im better off just running sealed box?