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Old 5 Days Ago   #26
 
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Default Re: 2 8s are hitting harder than my 13w7...

I'll get a new enclosure built for the w7. This time with sub back, ports back and a different amp to see if there's any difference. I'll keep you guys posted!

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Old 5 Days Ago   #27
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Default Re: 2 8s are hitting harder than my 13w7...

Quote:
Originally Posted by EmptyKim View Post
Sub positioning imo. Cabin gain from dayton subs and port facing back is my guess.
That would be easy enough to verify. Pull both boxes out of the FJ and play them ground plane. Measuring equipment would be best but that would give a more equivalent test. Ideally, a sound meter would be used to ensure both boxes were playing at the same decibel level.
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Old 5 Days Ago   #28
 
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Default Re: 2 8s are hitting harder than my 13w7...

Quote:
Originally Posted by dgage View Post
That would be easy enough to verify. Pull both boxes out of the FJ and play them ground plane. Measuring equipment would be best but that would give a more equivalent test. Ideally, a sound meter would be used to ensure both boxes were playing at the same decibel level.
I wish I can but I fried my Gladen.😭😡
Oh well, it gives me an excuse to try something different. I hate this hobby...

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Old 5 Days Ago   #29
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Default Re: 2 8s are hitting harder than my 13w7...

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I wish I can but I fried my Gladen.😭😡
Oh well, it gives me an excuse to try something different. I hate this hobby...

The difference between a stereo and a hobby is about a ton of money. Enjoy your 8s and run away! LOL!
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Old 5 Days Ago   #30
 
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Default Re: 2 8s are hitting harder than my 13w7...

A the 8s are very peaky and peak at the resonance frequency or b the JL is getting alot less power.

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Old 5 Days Ago   #31
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Default Re: 2 8s are hitting harder than my 13w7...

Or c-each sub setup needs a different tune to be "dialed in". OP have you tried flipping the phase on the 13w7 to see what happens?

What? I actually agree with bassfreak85! Yes a peak at the vehicle resonant frequency can make a HUGE difference. Pretty sure mine peaks somewhere around 40. Low 40's maybe. eq'd with tones by ear. Response stayed about the same when the rearfired 10 got replaced by the upfiring 15. Rearfire does work better though it seems.

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Old 5 Days Ago   #32
 
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Default Re: 2 8s are hitting harder than my 13w7...

Quote:
Originally Posted by Hillbilly SQ View Post
Or c-each sub setup needs a different tune to be "dialed in". OP have you tried flipping the phase on the 13w7 to see what happens?

What? I actually agree with bassfreak85! Yes a peak at the vehicle resonant frequency can make a HUGE difference. Pretty sure mine peaks somewhere around 40. Low 40's maybe. eq'd with tones by ear. Response stayed about the same when the rearfired 10 got replaced by the upfiring 15. Rearfire does work better though it seems.
At the moment, I can't because I fried the Gladen. The speaker leads touched each other (some time during the trip) when I removed the JL to go camping/fishing last weekend.

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Default Re: 2 8s are hitting harder than my 13w7...

have you used a known good W7 to rule out yours being malfunctioning ?
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Old 5 Days Ago   #34
 
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Default Re: 2 8s are hitting harder than my 13w7...

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have you used a known good W7 to rule out yours being malfunctioning ?
No, but it should be fine. Dmm measurements​ are at 3 ohms.

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Default Re: 2 8s are hitting harder than my 13w7...

you've thoroughly inspected the rest of the woofer i presume?
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Old 5 Days Ago   #36
 
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Default Re: 2 8s are hitting harder than my 13w7...

Yes sir.

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Default Re: 2 8s are hitting harder than my 13w7...

I'm telling you guys, Dayton 8s for president!

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Default Re: 2 8s are hitting harder than my 13w7...

I'll​ report back once I get a new/different amp for the w7.

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Default Re: 2 8s are hitting harder than my 13w7...

Quote:
Originally Posted by street.terror View Post
I'm telling you guys, Dayton 8s for president!

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The HO or the ones that are like $25 each?

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Default Re: 2 8s are hitting harder than my 13w7...

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The HO or the ones that are like $25 each?
All of them!

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Old 5 Days Ago   #41
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Default Re: 2 8s are hitting harder than my 13w7...

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I'm telling you guys, Dayton 8s for president!

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I'd vote for them right about now. Lol!
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Default Re: 2 8s are hitting harder than my 13w7...

Hmmm...... let's see, you swapped subs & amp and now you have an improvement that you can't necessarily explain. Do you consider it an overall improvement? If so, don't worry about it, just enjoy it. Getting hung up on why seems senseless to me especially on the premise of some underdog brand or setup is not supposed to be able to outdo the other. It ain't that serious.... More than likely, it's just a better fit to the acoustics of the vehicle and your tastes. Nothing new

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Old 5 Days Ago   #43
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Default Re: 2 8s are hitting harder than my 13w7...

Quote:
Originally Posted by Hillbilly SQ View Post
Maybe the FJ plays nicer with subs back port back than it does with sub up and port back? While I've only run sealed so far in my Grand Cherokee I can tell that the cabin reacts better to sub firing towards the rear than it does up to the roof. And yes I know sub up port back is a very common spl configuration.
This is all true. Generally upfiring in SUV's and other non hatchbacks with cargo areas, upfiring creates a null somewhere in the upper bass region. It's modal and it's usually worst when upfiring. Doesn't effect where most vehicles of this shape and size peak in the 40's and 50's as it's usually a 60-70hz issue.

Another thing that often effects things a lot is distance away from the rear of the vehicle. If the old sub was say upfiring toward the rear seat or in the center of the cargo area, it's likely to be lacking in SPL compared to having it near the rear of the cargo area.
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Default Re: 2 8s are hitting harder than my 13w7...

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The difference between a stereo and a hobby is about a ton of money. Enjoy your 8s and run away! LOL!
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