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I am hoping someone can explain bandpass and how the port tuning works.
I recently had a friend give me a bandpass box with a kicker cvr 12d2 in it...
the box measures 15"h 20"w 8. 5"d both sealed and ported side having these measurements. 2 tube ports 3.875" What i don't understand is way it sounds for the ports it has???
According to every port calculator iv used its tuned at 95hz! Am i measuring port frequency wrong or does bandpass create a different port frequency that is measured differently.
Also can someone explain bandpass and how you tune one.
I AM ASKING, CAUSE THIS BOX SOUNDS AMAZING DESPITE THIS QUESTIONABLE PORT FREQUENCY!
Im building a subwoofer enclosure for 2 12' type r subs (2kRMS) and wanted to know what size enclosure i should use. I have depth of 17 height of 15 and width of 35 max.
I was thinking around 5.5 cubes
I want to tune the box to around 32 hertz and want very low bass.
What diffrence does a larger enclosure make over a smaller one?
Also how big should i have my port i will be using a slot port but wanted to know if a port which its height is less and width is more is better than a port with a larger hight and smaller width. I was thinking a 4' wide and around 9 heigh is thw width fine?
All help appreciated
So As i'm sure you all are, I myself are constantly upgrading my system and when i do, I retune it using my DD1 I have come to notice that when i re adjust the gains the system always seems louder from when i was listening to it prior to tuning it, even if i'm not changing out any equipment. Is it possible that because my amp is mounted to my box that the vibrations overtime slightly lowers the gain? or am I high.
I may sound stupid for asking but im fairly new to car audio and have a little system consisting of
2 Alpine type R's 12d2 subs
4 Alpine type R component speakers
Lanzar OPTIDRIVE 2600 mono amp at 0.5 ohm which puts out 2600 at .5
4 cubic foot ported enclosure tuned at 36 hz
i have my subs wired to .5 and the subs are rated at 1k each whilst im using a 2600 amp
I am wanting to know what the gain is for im aware that its to match the output of the headunit with the amp but wanted to know if the gain determines how much power the amp recieves, at half gain will my amp get 1300 rms ?
or will my amp still put out 2600 but just need the deck volume to be turned up more than if the gain was at 3/4
Hope some one cant help
Ok so i have seen many different answers on this and I am wondering on what is the correct answer. so my head unit is a pioneer FHX-520ui
now on the head unit there is a bass Level, not bass boost but bass level it goes from -24 to + 6 its default setting is 0 when i am DD-1 tuning my set up should i set this at 0 or+ 6 or somewhere in between, i'm assuming this is Gain from the rca outputs, and if it does not matter what are the beniffits of tuning at 0 or +6 i just want to tune it for the best possible output, what i am currently running is in my signature as well, I also plan on upgrading to an AVH deck with 4v pream outputs because i feel like i can get better bass response out of these subs.
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