A little sub video from today - Ranger-Forums - The Ultimate Ford Ranger Resource


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Old 01-24-2011
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A little sub video from today

Download a ton of bass songs yesterday so I thought I'd test em out today. I made two videos and used YouTube's video editor to put them together. Turned out pretty good.

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Old 01-24-2011
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Looking good man. What kinda bed cover is that?
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Old 01-24-2011
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Too much for me.

I like how you tried to circumvent the system by your signature picture tags.
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Old 01-24-2011
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Quote:
Originally Posted by rinconmanof90 View Post
Looking good man. What kinda bed cover is that?
It's an Extang. Not sure of the exact model or anything.

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Too much for me.

I like how you tried to circumvent the system by your signature picture tags.
Haha what? Sig pic tags? Are you talking about the attempted sig pic in my signature? That's there because my Level III subscription magically disappeared.
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Old 01-24-2011
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Ok cuz im looking for a bed cover myself. Ill check them out.
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Old 01-24-2011
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Haha what? Sig pic tags? Are you talking about the attempted sig pic in my signature? That's there because my Level III subscription magically disappeared.
Oh, I see. It expired 12/27/2010.
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Old 01-24-2011
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Search Craigslist. You might find a good deal on a used one.
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Old 01-26-2011
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have any sounddeadner on that back cabin panel yet? if your panels are flexing then your losing some of your acoustic output in the cab.
a few sqft of quality dampener will help with the rattle quite a bit and should increase in-cabin sound level 1-2 dbs.
You can cut some small slivers of plastic and wedge them in the sliding window track to stop the window from banging around.
I know you like it loud so I thought id mention that.

How do you like the new box, sound better?

Looks loud
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Old 01-26-2011
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The new box is a little quieter actually. It gets lower though which is what I was going for. Oh and no, I don't have any deadener on the back wall. I only have it on my front doors.
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Old 01-26-2011
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Quote:
The new box is a little quieter actually. It gets lower though which is what I was going for.
yeah there's always a trade off.
You can play with your settings on your amp to gain some more output.
your amp has enough filters to allow some drastic changes. which can help a lot.
an important one here is the subsonic filter, if its not set high enough you might be wasting some power. try the filter set at 30-35hz and see if it helps regain some output..
phase,boost,gain,lowpass will also have drastic effects too. let me know if you want some help.
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Old 01-27-2011
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Yea I set the subsonic to about 5hz below the box tuning. It's at about 25-27hz. Gain got turned up. Bass boost is all the way down(it just causes clipping) and LPF is at like 100hz. When it comes to phase, I have no clue what I'm doing.
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Old 01-28-2011
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Settings sound good.

Phase can correct acoustic cancellation or "dead spots". this will happen two ways, one is caused by other speakers in the cab, the other is caused by reflected sound from the source speaker.
There are a few ways to set the phase correctly.

The quick and dirty way is to turn the volume up to a normal listening level, then slowly adjust the control back and fourth listing for the point at which it sounds the loudest in the drivers seat. the loudest point will be the most in-phase point, this is the optimum setting. this will get you 80-90 percent perfect.
Another more accurate way is to wire the sub with the polarity reversed, then listen to your music at normal level adjust the **** back in fourth like before. this time you are listening to the point at which you hear the sub the least. once you find the lowest point then wire your sub back to its proper polarity electrically. this method allows for a more accurate setting. because it is easier to hear the differences when your listening for a lack of bass.

You can also do this with a RTA but I wont get into that..

Gain, if you find you need to turn it up real high on the sub, two things could be wrong. One is your head units output level, if you are only using half of the potential volume on it then your not getting its full RCA voltage, you need to be using 3/4 or a bit more of the **** for the strongest cleanest signal. this will allow you to drop the gain back on your amps. and give you best sound.
the other could be that your front speakers are overly sensitive and/or the gain on their amp is set to high. backing down their gain then turning up source volume will feed more power to the sub amp.

Bassboost can be used slightly* (no more then 3-6db if needed) but it will require you to back the gain down a little to prevent clipping. There are cancellations in some vehicles that will cause a severe dip in the 40-70 hz range. so bassboost can be a good thing if you don't have an equalizer. (I should measure this for our trucks)

Id like to mention something else since your using component speakers, since the mids are in the door firing at each other and causing cancellations. I found that flipping the polarity on the drivers side mid (only the woofer, not the x-over or tweet) will increase midbass output, and also center the sound stage for the driver, which really improves the sound up front.

Last thing, since the markings on the controls are not accurate, due to a few reasons. You should not rely on what you think might be correct. You have to let your ears determine the best setting. the markings will only get you in the ball park.
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Old 01-28-2011
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I'll have to try that trick with the mids. I've got new ones on the way so I'll try it out on my old ones first to see if there's any difference.
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