Need help finding a sub box to replace jack and fit in rear door pocket - Ranger-Forums - The Ultimate Ford Ranger Resource


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Old 03-29-2015
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Icon7 Need help finding a sub box to replace jack and one that fits in rear door

Ok so I wanna get more bass in my ranger but I don't see any subwoofer boxes out there that don't take away the jump seats. I've seen people with boxes under their jump seats but I like to be able to fold my seats up and throw stuff back there without worrying about crushing a box lol. I want something hidden and completely out of the way. Could someone please give me a link or something to someone who sells a box that goes in place of the jack but also leaves enough floor space? And a link to someone who sells a box to go in the bottom part of the rear doors. I saw threads on here where some guy made a box to go there but I prefer to not make one and risk screwing it up haha but if I have to I'll do what I have to do....and any tips or recommendations about what kind/brand/size subs to use in the doors with the space provided would be greatly appreciated!

Last edited by josh6584; 03-29-2015 at 04:55 PM.
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Old 03-29-2015
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Some laws can be bent, and some laws can be broken, and some laws can not.
Laws of Physics are some that can not be broken or even bent.

Sound consists of wave lengths, shorts waves are the higher frequencies, longer waves the low frequencies, the longer the wave the lower the frequency, the shorter the wave the higher the frequency, frequency actually means time between waves, how frequent are the waves per second, 1 hertz(Hz) is 1 cycle per second.
Pretty straight forward.
Human ear can generally detect sound vibrations from 20 Hz to 20,000 Hz(20kHz)

If you have a small stick and put it in a pond, how long a wave could you make?
How about a boat paddle?
So that's speaker size and the issue you face
To do high frequencies you need a speaker that is smaller and can move fast, to generate very short waves, 3/4" to 1.5" 'tweeter' is usually used.
4"-6" speaker is used for mid-range sound, it can generate short to long waves but not very short or very long.

10" speaker is about the smallest you "should use", but there are some 8" "subs" available.
The bigger the speaker the lower the frequency you can get, these are the frequencies you feel not just hear.

These are under the seat 'subs': compact car subwoofer at Crutchfield.com


Now about watts, you do NOT need high watts.
Watts work this way
20 watts is NOT twice as loud as 10watts, it is 1/10 as loud, 100watts is twice as loud as 10watts.
So if you have a 30watt sound system and wanted it twice as loud you would need to go to a 300watt system.

In a vehicle 100watts is too much but with pricing these days it is fine, 20-40watts is more than enough to make your ears bleed if that's the effect you want, lol.
So save your money and buy quality not watts.

Subwoofers do need to generate those longer waves, so I would go no lower than 150watt peak rating, and make sure it is a Power subwoofer, it will have the correct amp and a built-in crossover

Last edited by RonD; 03-29-2015 at 10:19 PM.
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Old 03-29-2015
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8s are great need small encloser and can get loud.
I have run 8s and 10s before down in the high 20hz range no problem they can get low lol.
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Old 03-29-2015
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Thanks so much! that's so cool! I didn't even know they made subs that go UNDERAGED the seat!!! That's awesome! Have you ever heard them before and are they loud and give good, heavy bass? Also I noticed they have amps built in....could I have two of them (one under each seat) and they would work together just fine? Also say I decide to still put another sub in the back where the jack is....could I some how link it to one of the amps in the under the seat subs? Or do I need ANOTHER amp for that? And if so is it even possible to have three amps working together? Sorry I'm such a noob :b this is my first vehicle and I just got my first job today and I'm already planning on how to spend my money and make my truck stand out from the other kids' at school lol
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Old 03-29-2015
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Quote:
Originally Posted by RonD View Post
Some laws can be bent, and some laws can be broken, and some laws can not.
Laws of Physics are some that can not be broken or even bent.

Sound consists of wave lengths, shorts waves are the higher frequencies, longer waves the low frequencies, the longer the wave the lower the frequency, the shorter the wave the higher the frequency, frequency actually means time between waves, how frequent are the waves per second, 1 hertz(Hz) is 1 cycle per second.
Pretty straight forward.
Human ear can generally detect sound vibrations from 20 Hz to 20,000 Hz(20kHz)

If you have a small stick and put it in a pond, how long a wave could you make?
How about a boat paddle?
So that's speaker size and the issue you face
To do high frequencies you need a speaker that is smaller and can move fast, to generate very short waves, 3/4" to 1.5" 'tweeter' is usually used.
4"-6" speaker is used for mid-range sound, it can generate short to long waves but not very short or very long.

10" speaker is about the smallest you "should use", but there are some 8" "subs" available.
The bigger the speaker the lower the frequency you can get, these are the frequencies you feel not just hear.

These are under the seat 'subs': compact car subwoofer at Crutchfield.com


Now about watts, you do NOT need high watts.
Watts work this way
20 watts is NOT twice as loud as 10watts, it is 1/10 as loud, 100watts is twice as loud as 10watts.
So if you have a 30watt sound system and wanted it twice as loud you would need to go to a 300watt system.

In a vehicle 100watts is too much but with pricing these days it is fine, 20-40watts is more than enough to make your ears bleed if that's the effect you want, lol.
So save your money and buy quality not watts.

Subwoofers do need to generate those longer waves, so I would go no lower than 150watt peak rating, and make sure it is a Power subwoofer, it will have the correct amp and a built-in crossover
I don't even know how to reply to your comment so you get notified....I'm new here :p
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Old 03-30-2015
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You only need 1 sub in a car/truck.

The lower frequencies "travel well", they are in fact hard to "kill".
When you hear music from a distance you don't hear the singer, the cymbals(lol) or any higher frequency sounds, you hear the bass, the low frequencies.
So 1 sub is more than enough.

I may be biased though, I am old and I do like music, but what I don't like is when someone "over basses" their car system.
They can be 5 cars ahead of me or 5 cars behind me at a stop light, and all I hear is the "thump, thump" from their sub, can't enjoy the music because I can't hear that part, just the "thump, thump".
And it is just wasted energy, it doesn't add better bass in the car.
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Old 03-30-2015
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Josh are you set on not taking up a jump seat? If you can live with losing one but still being able to recline your seat most of the way I have a good recommendation. I am 6'2" so I wouldn't ever want someone behind me anyways.

No one (to my knowledge) makes a direct box to be put in the jump seat's place. I have a system in my truck and researched boxes for a long time. Lots of guys have done it, but you will have to do a custom one, but fiberglassing isn't incredibly difficult to learn, so I have heard. An audio shop can make you one, but again you are looking at $$$ there.
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Old 08-24-2015
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