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Topic Review (Newest First)
08-07-2013 06:50 AM
Ironhead Jed
Quote:
Originally Posted by ChasUGC View Post
All I am saying per the OP's original question of 5.25 or 6.5, is that you are going to get the best balanced surround sound, if you use the same size speakers all around. This way you won't hear one set of speakers standing out over the other pair. And the sound will be full and balanced. Assuming of course that your speakers are in phase.
Its more important to match sensitivity than size. If all 4 are the same model, its easy, but if they aren't, they could have vastly different sensitivity levels and be no where close to balanced
08-06-2013 10:24 PM
ChasUGC All I am saying per the OP's original question of 5.25 or 6.5, is that you are going to get the best balanced surround sound, if you use the same size speakers all around. This way you won't hear one set of speakers standing out over the other pair. And the sound will be full and balanced. Assuming of course that your speakers are in phase.
08-06-2013 03:08 PM
Ironhead Jed
Quote:
Originally Posted by Tiburon View Post
I thought I was the only one with MOMO components in the pods. Nice!
and also a transplant from my last rig

truly amazing speakers
08-06-2013 02:55 PM
Tiburon
Quote:
Originally Posted by Ironhead Jed View Post

size of the speaker means very little if both speakers are of decent quality, have close sensitivity, and similar frequency response

that is of course if the system before the speakers is adequate.

I'll take the pepsi challenge against anyone with my 6.5" momo's in the pods and 5.25" momo's in the dash being pushed at 125w per channel. basically have the bass turned off as the sub handles that

just about anything in car audio can be reverted back to home audio, where audio quality takes the next step. why is it that matched sets of high end home audio uses different speaker sizes for towers, bookshelves, and center channel? because its the quality of the speaker thats being matched, not the size
I thought I was the only one with MOMO components in the pods. Nice!
08-06-2013 02:53 PM
Tiburon This whole speaker size balance argument is moot. Even with a hard top a jeep is not an ideal venue for audio. My 2 cents is to tell the OP to get what fits (ideally with the speaker bracket 5.25 as you still need a bracket for the 4x6) Polks are great speakers I run them in my Jeep too. I would shy away from the components in the pods and stick with the 2-ways. The tweeter location would be so close to the speaker you wouldn't get the benefit from all the work to put them in and extra money it costs. I only put in components because they were a transplant from my old Jetta. I would recommend pulling out a factory speaker if there is a question on size and bring it to the stereo shop and line up the holes and check the basket size in order to make sure you get what works. -Good luck.
08-06-2013 02:50 PM
Ironhead Jed
Quote:
Originally Posted by ChasUGC View Post
Did you not hear the previous poster say that he could tell the difference in quality between his 5.25 and 6.5? This would not be true if he had four 6.5 or even four 5.25. Clearly, his system is unbalanced.

If I brought really cheap quality 6.25 and the best quality 6.25, you don't think there would be a noticeable sound difference from even the exact same size speakers? Wouldn't it also, therefore make since to get the exact same manufacturer and the same size?

RMS has nothing to do with the quality of the speaker. It has to do with handling capacity. A high capacity handling speaker will not sound good on a system that can't push it. Example, A subwoofer does not sound good at low volumes. But, pump a little wattage into it and it sounds great. Just like a low capacity handling speaker is not going to sound good way above its intended RMS. There are great low capacity speakers just like there are great high capacity speakers. Polk might be great low capacity speakers(45RMS). But, if you put 100 watts through them, they are going to blow out and sound like crap.

For the sake of argument though, get 4 great 6.5 speakers, or 4 great 5.25 speakers, put them into your system, and then come back and tell me if it isn't the best balanced, best sounding system that you have ever had in your life. It is for me.
size of the speaker means very little if both speakers are of decent quality, have close sensitivity, and similar frequency response

that is of course if the system before the speakers is adequate.

I'll take the pepsi challenge against anyone with my 6.5" momo's in the pods and 5.25" momo's in the dash being pushed at 125w per channel. have the bass turned down a bit as the sub handles that

just about anything in car audio can be reverted back to home audio, where audio quality takes the next step. why is it that matched sets of high end home audio uses different speaker sizes for towers, bookshelves, and center channel? because its the quality of the speaker thats being matched, not the size
08-06-2013 02:29 PM
ChasUGC
Quote:
Originally Posted by Neil F. View Post
Errrrrrrrrrrrrrrr

- Size is not a measure of power the speaker can handle. The RMS is. (I can find you smaller speaker with RMS ratings higher that larger ones)

- The stock location setup is not going to provide anywhere near a balanced environment. Downward facing right above your head and dash speakers pointed at the floor. And we are NOT talking a bout a huge physical size difference between a 5.25 and a 6.5
Did you not hear the previous poster say that he could tell the difference in quality between his 5.25 and 6.5? This would not be true if he had four 6.5 or even four 5.25. Clearly, his system is unbalanced.

If I brought really cheap quality 6.25 and the best quality 6.25, you don't think there would be a noticeable sound difference from even the exact same size speakers? Wouldn't it also, therefore make since to get the exact same manufacturer and the same size?

RMS has nothing to do with the quality of the speaker. It has to do with handling capacity. A high capacity handling speaker will not sound good on a system that can't push it. Example, A subwoofer does not sound good at low volumes. But, pump a little wattage into it and it sounds great. Just like a low capacity handling speaker is not going to sound good way above its intended RMS. There are great low capacity speakers just like there are great high capacity speakers. Polk might be great low capacity speakers(45RMS). But, if you put 100 watts through them, they are going to blow out and sound like crap.

For the sake of argument though, get 4 great 6.5 speakers, or 4 great 5.25 speakers, put them into your system, and then come back and tell me if it isn't the best balanced, best sounding system that you have ever had in your life. It is for me.
08-06-2013 01:42 PM
Neil F. Errrrrrrrrrrrrrrr

- Size is not a measure of power the speaker can handle. The RMS is. (I can find you smaller speaker with RMS ratings higher that larger ones)

- The stock location setup is not going to provide anywhere near a balanced environment. Downward facing right above your head and dash speakers pointed at the floor. And we are NOT talking a bout a huge physical size difference between a 5.25 and a 6.5
08-06-2013 01:19 PM
ChasUGC
Quote:
Originally Posted by Neil F. View Post
Mixing sizes is not going to affect sound quality.
If you have a 4.1 sound system that is unbalanced with different speakers in the front and back, you think the sound isn't effected? If you have horrible speakers in front, and great speakers in back, you think sound isn't effected?

If you have great 4" speakers in front and great 6.5" speakers in the back, which speakers get more power? One set will get more volume. Hence, you have unbalanced sound. Sound Quality is therefore effected. Same thing with 5.25 and 6.5. The best sounding system would be 6.5 all around or 5.25 all around. An unbalanced system effects quality. I used 4 great 5.25 speakers by the same manufacturer in my 4.1 system, and it feels like I'm sitting in a surround sound studio. I previously had 4x6 Infinity Kappa's in front, and 5.25 Infinity Kappa's in back, and the 4x6's were being pushed to the brink that they finally blew out. Allegedly, great speakers, but it was an unbalanced, crappy sounding system. You need to adjust the fader for speaker over compensation if the speakers aren't all the same. And even then, its not perfectly balanced because you are driving one set of speakers over another.

Bose knows this. This is why the satellites, in their theatre systems, are all the same. And, nobody does it better than Bose. On the best sounding home theatre 4.1 or quadrophonic systems, the front and back speakers are the same. This is how you get perfect balanced surround sound. It is like ducking your head in a jacuzzi with the water flowing all around you at the same height and the same warmth.
08-06-2013 09:54 AM
BruteOutdoors
Quote:
Originally Posted by BigHurt844 View Post
I keep seeing people talking about having 6.5s and the pods lining up perfect for new holes, for me the speakers dont even recess into the area where the stock holes are. I guess you could drill them info the face of the pod but then they sit outside of it a bit and if you use the speaker grille, that hangs down even further.
I'm not sure if it matters but I have a 2002 model and ordered the slim Polk speakers rather than the regular speakers.
08-06-2013 09:20 AM
BigHurt844 I keep seeing people talking about having 6.5s and the pods lining up perfect for new holes, for me the speakers dont even recess into the area where the stock holes are. I guess you could drill them info the face of the pod but then they sit outside of it a bit and if you use the speaker grille, that hangs down even further.
08-06-2013 06:39 AM
UFOtestpilot
Quote:
Originally Posted by Neil F. View Post

Mixing sizes is not going to affect sound quality.
Not as much with mid frequency drivers as with larger combinations. However there is a very valid reason for not using combinations of driver sizes, it is called standing wave frequency. In a jeep with a bunch of noise it would be harder to notice and most people don't have audiophile hearing so they likely won't notice anyhow.
08-06-2013 05:26 AM
Neil F.
Quote:
Originally Posted by ChasUGC View Post
I wouldn't combine 5.25 and 6.5 for the best sound. I would use 5.25 all around by the same manufacturer. Also, Polks are 45wattsRMS, Infinity 55watts RMS. If you run an amp through any of those speakers, they will blow. I blew my Infinity's and they are rated higher than the Polks.
Mixing sizes is not going to affect sound quality.
08-05-2013 09:36 PM
BruteOutdoors I bought the slim Polk 6.5" speakers and have been extremely impressed with them. Didn't even have to drill new speaker holes. They screwed right in with no issues whatsoever. They sound significantly better than the 5.25 components I have up front so I'd highly recommend them. It took about 5 minutes and sounds great.
08-05-2013 08:33 PM
ChasUGC I wouldn't combine 5.25 and 6.5 for the best sound. I would use 5.25 all around by the same manufacturer. Also, Polks are 45wattsRMS, Infinity 55watts RMS. If you run an amp through any of those speakers, they will blow. I blew my Infinity's and they are rated higher than the Polks.
07-29-2013 03:31 PM
Crawlalong The best thing I ever did for my tj stereo was build a custom bar for massive audio rk 6 components and 2 massive audio m8b and put a alpine mrx-65 on it but now 2 10" subs won't keep up with the mids and highs so I'm working in a custom sub box would give picture but can't figure out how
06-18-2013 03:16 PM
Neil F.
Quote:
Originally Posted by Rendell View Post
Not sure why no one in this thread answered your question directly. If you have pods on the roll bar like I do (2006) then 6.5" don't mount right up. I think they did in older sound bars.

.

03, pods, with 6.5
06-18-2013 02:52 PM
blkrubi88
Quote:
Originally Posted by Rendell View Post
Not sure why no one in this thread answered your question directly. If you have pods on the roll bar like I do (2006) then 6.5" don't mount right up. I think they did in older sound bars.
I have the pods also and my 6.5's mounted in with no problems, just made new mounting holes.
06-18-2013 02:25 PM
Rendell Not sure why no one in this thread answered your question directly. If you have pods on the roll bar like I do (2006) then 6.5" don't mount right up. I think they did in older sound bars.

I have alpine 5.25"s in my pods, and I ran the factory grills until they started to come apart. So then I got the Alpine grills, and had to dremel them down on the outside a bit to make them fit in the recessed lip.

That said, I have the fade turned almost all the way to the front where I have the same set of Alpine's in an adapter bracket.
06-17-2013 09:17 PM
JRoweMDN +1 for the Nalin mounts. The stuff is well made and makes install a breeze.
06-13-2013 05:52 PM
NalinMFG +1 for Polk.
06-13-2013 05:44 PM
Gixxer86g Like many have already said, the Polks are great.

But you can really get a sweet system for a fairly low amount of cash.

I went with the Polk dbs. 5.25 in the dash, 6.5 in the soundbar. The dash speakers have baffles. The soundbar is stuffed with poly.

I use a Sony amp that provides 50w RMS to all four speakers. I run a Sound Ordnance B-8pt under the rear seat.

None of this stuff was expensive, and I'm quite satisfied with the sound.
06-13-2013 05:26 PM
eboven
Quote:
Originally Posted by n00g7 View Post
Sorry Jerry, I didn't catch that you were talking about the DB651 -- OP posted up the DB6501 and DB5201, which are near $200.

I bought the polks (DB521/DB651) initially but switched to the 529i/629i infinities for the +/- 3dB setting, but it's really a wash.
I installed car audio professionally for over 7 years, and installed countless Infinity and Polk speaker setups; there is virtually no difference between the two brands. Polk advertises that their speakers are marine rated, while Infinity seems to push their lower nominal impedance and high sensitivity. Really, after installing them for so long, it seemed to me that they were made in the same factory and then just slapped the brand name on there; same baskets, motor, cone design... slightly different sound, but to the average listener it was hard to pick that difference out.

The bottom line is what the OP really wants - if you only want to swap speakers and do nothing else, go with the Polk's or Infinity's... it really does't matter which you choose. They both will sound the louder than many other speakers out there when running them on the limited power a headunit will provide. You will be able to hear your music more clearly and it will probably sound a bit louder, but as someone already said, if your top is off and you're cruising at 60MPH, it probably won't be keeping up.

If you decide to go with an external amp, there are tons of better choices for speakers than Polk or Infinity. If you are actually providing the speaker the power it wants (RMS watts) you will really see a difference in sound. I run a 5-channel amp mounted under my dash so it doesn't take up any precious space. It provides close to 50 watts RMS to each dash and soundbar speaker (over double what any headunit alone would provide) and allows my speakers to stay clear at louder volumes. I have no issue hearing my radio at any speed, even when topless/doorless.
06-13-2013 04:30 PM
BurlySoldier Swapping in 6.5's is a piece of cake and well worth it. Epsecially a nice brand like Polk. Do that and the 5.25's in the dash- Good to go!
06-13-2013 03:22 PM
n00g7
Quote:
Originally Posted by Jerry Bransford View Post
The Polk DB651 6.5" speakers I recommended can easily be found for $65/pair in many retail outlets. So I sure don't know where you came up with your $400 for the recommended Polk speakers. And let's not lose sight of the fact the OP doesn't want anything but simple replacement speakers and simply asked if Polk speakers would be a good choice.

Sorry Jerry, I didn't catch that you were talking about the DB651 -- OP posted up the DB6501 and DB5201, which are near $200.

I bought the polks (DB521/DB651) initially but switched to the 529i/629i infinities for the +/- 3dB setting, but it's really a wash.
06-13-2013 03:01 PM
JRoweMDN I will say that a stock "22w" head unit does not push enough power through the polks to hear at highway speeds with no top. Maybe I like my music louder than some but It needs the amp to be clear at higher volumes too. They are good for town but they really need a small amp. The Fosgate PBR 300x4 can be had for around $150. With all the fuses and wiring needed to install it and 4 new Polks should still be less than $350 and will be worlds better and for the $175 it is money well spent. I also highly recommend putting some polyfill in the soundbars and buying some $6 Boom Mats for the fronts, the sound difference was definitely worth the effort and small cost.

If anyone has some photos of the installation of the 6.5's in a 05 sound bar and how you lined them up I would like to see them. I just did not feel like there was enough bite to put the screws in the lip around the stock openings.
06-13-2013 01:44 PM
Jerry Bransford
Quote:
Originally Posted by n00g7 View Post
Sure, but I was referring to the fact that putting any bass whatsoever to the pods sounds like crap. I have the HPF set pretty high for mids and highs only.



However, $400 worth of Tier 1 speakers is unnecessary to run without an amplifier, let alone an OEM head unit. The speakers I noted are very good mid-range speakers, which have a 94dB sensitivity rating, from a highly reputable brand. The difference between $400 of polk and $160 of those infinity's on a stock HU and no amplification, none. Even with amplification, the crappiness of what we've been provided for acoustics in the jeep negates any appreciable advantage of the polks.



I know you know a lot, but it doesn't mean the rest of are dunces, or my recommendation that OP save $240 in scratch on speakers that make just as much sense in a jeep isn't an equally good route. And as an electrical engineer, I've derived plenty of transfer functions in my day for those and other circuits such as power converters.
The Polk DB651 6.5" speakers I recommended can easily be found for $65/pair in many retail outlets. So I sure don't know where you came up with your $400 for the recommended Polk speakers. And let's not lose sight of the fact the OP doesn't want anything but simple replacement speakers and simply asked if Polk speakers would be a good choice.
06-13-2013 12:57 PM
n00g7
Quote:
Originally Posted by Malebolgia View Post
I used Pioneer 6.5's in my overhead bar and didn't have to change a thing. The factory bolt holes lined up perfectly.
We have pods.
06-13-2013 12:56 PM
n00g7
Quote:
Originally Posted by Jerry Bransford View Post
I completely disagree, especially since the size of the speaker has little to no bearing on how much power it requires to be properly driven so it sounds good. Some 5.25" speakers require more power to be driven properly than some 6.5" speakers do.
Sure, but I was referring to the fact that putting any bass whatsoever to the pods sounds like crap. I have the HPF set pretty high for mids and highs only.

Quote:
Originally Posted by Jerry Bransford View Post
With even the stock head unit, going with a better speaker like Polk's DB6521 will produce noticeably better sound. VERY noticeably better. I did that for my previous TJ & was very pleased with the results. Looking at the speaker's Sensitivity rating as I described above will help to select a speaker that will work well for the stock head unit's relatively low power output.
However, $400 worth of Tier 1 speakers is unnecessary to run without an amplifier, let alone an OEM head unit. The speakers I noted are very good mid-range speakers, which have a 94dB sensitivity rating, from a highly reputable brand. The difference between $400 of polk and $160 of those infinity's on a stock HU and no amplification, none. Even with amplification, the crappiness of what we've been provided for acoustics in the jeep negates any appreciable advantage of the polks.

Quote:
Originally Posted by Jerry Bransford View Post
And I have more than a few years involved in building and selecting audio gear. I built my first high-quality stereo amplifier from scratch in the 60's and also built my own high-end acoustic suspension speakers and wired my own crossover circuits starting back then too.
I know you know a lot, but it doesn't mean the rest of are dunces, or my recommendation that OP save $240 in scratch on speakers that make just as much sense in a jeep isn't an equally good route. And as an electrical engineer, I've derived plenty of transfer functions in my day for those and other circuits such as power converters.
06-13-2013 12:30 PM
Malebolgia I used Pioneer 6.5's in my overhead bar and didn't have to change a thing. The factory bolt holes lined up perfectly.
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