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Randy
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Joined: Thu Apr 22, 2010 12:29 pm
Delivery Date: 04 Jan 2011
Leaf Number: 0191
Location: San Diego, CA

Re: Door Speakers & Subwoofers in my Leaf

Mon Jun 13, 2011 6:19 am

I bought a similiar product from Crutchfield for another vehicle. It works, but it is definitely a compromise. The bass is not what you would call "deep" in frequency, but is more "mid-range". I looked at those Boss boxes from Amazon, but the negative reviews and failures scared me off, and that's why I went with the Sound Ordinance B-8PT model from Crutchfield.

http://www.crutchfield.com/p_777B8PT/So ... d+Ordnance

After installing the Bazookas in the Leaf and the Sound Ordinance in our other car, I'm glad I chose the Bazookas for the Leaf. The sound is much better...

It does make for a tight fit under the seat in the other car, so I'm not sure if the Boss unit would fit under the seat on the Leaf....

Randy

kgee
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Leaf Number: 3598

Re: Door Speakers & Subwoofers in my Leaf

Fri Jun 17, 2011 10:43 pm

defiancecp wrote:
awiegel wrote:
defiancecp wrote:Quick note - alternative for speakers I just stumbled across:
Polk MM651

They're 2.7 ohm (so slightly higher impedence), but they have a major advantage in that they use neodymium magnets like the stock speakers, leading to much lighter speakers. Amazon has them for about $100.

Oh, neat, I was just looking at the documentation on them, they have a pretty nice external passive crossover (most coaxials just have a cheap capacitor on the tweeter).




How is the fit in the door?


I'll let you know in a few weeks :)



I'm also interested in upgrading my Leaf speakers. Please let me know if these Polk MM651 work. They've gotten good reviews and the price is right, but it's not clear if this is for a pair of speakers or just one? http://www.amazon.com/Polk-Audio-AA2651 ... 957&sr=8-1

Also, the little compatibility app on Amazon claims these won't work with the Leaf???

Any other models can you recommend?

mxp
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Location: Fremont, CA

Re: Door Speakers & Subwoofers in my Leaf

Fri Jul 08, 2011 11:18 am

Does it make any sense to apply Dynamat or an equivalent whilst performing this mod? I assume that the Dynamat will greatly enhance the acoustics.

I know that our Leafs are already quiet but once you crank up the music in your Leaf, it certainly will be heard more prominently from outside the car.

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awiegel
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Joined: Mon Jan 10, 2011 7:46 pm
Delivery Date: 08 May 2011
Leaf Number: 0747

Re: Door Speakers & Subwoofers in my Leaf

Sat Jul 09, 2011 9:47 pm

Page AV-13 and AV -14 of the service manual describe the signal being sent to the front door speakers as low and mid range only, while the rear door is said to get low, mid and high and the tweeters (obviously) get high range signal. This appears to indicate a built in crossover in the head unit and the fact that coax speakers may not be appropriate for the front doors. No?

It doesn't look that hard to get those covers off the windshield pillars to replace the tweeters.....

defiancecp
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Delivery Date: 25 Aug 2011
Location: Little Rock

Re: Door Speakers & Subwoofers in my Leaf

Tue Jul 12, 2011 1:01 pm

The wiring harness at the head unit is a standard '07+ nissan harness - meaning it only has front left and front right outputs (as well as the same rear set) - no connections available for crossed over outputs. However, there could be a passive crossover somewhere in the wiring that would be a problem - but only if it can't be found.

I've got my polks in now, they're nice and light. There's no reason they shouldn't fit in the front or rear doors physically, but I'll confirm as soon as my work in the garage is finished (probably another week or so). I'll see if I can track down crossovers as well. Having said that, a common factory configuration is a simple capacitor on the tweeter and open connection to a midrange that is simply not very responsive to high frequencies, so it may still be fine as long as the tweet is disconnected.

I'll be putting them in the rear, though; the front doors will only be getting the midbass from my PC3.65c component set (mids and highs will go in custom fiberglass pods I'm building and installing in the tiny front window areas).



As an additional note on the wiring harness - I plan to use an Alpine imprint factory integration unit, so I need speaker-level inputs - but I don't want to cut any wires. So, I got two wiring harnesses - one factory replacement style, the other the standard type for connecting an aftermarket head unit, then chained them together to make a short plug that connects between the harness and head unit. Now I can cut *those* wires all I want without any impact to the factory original wires. The only problem I had was that the aftermarket unit style didn't have 4 of the wires (related to steering wheel controls and other things that wouldn't relate to an aftermarket unit normally), so I got two of the aftermarket harnesses, then used a small pin to pop the harnness pins out of the second one. I then used those wires I pulled from the secondary to fill in the missing pins in the real harness.

The part numbers are metra 70-7552 (connects to factory harness, need two of these to get the extra pins) and 71-7552 (to connect to the radio).

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GeekEV
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Leaf Number: 0308
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Re: Door Speakers & Subwoofers in my Leaf

Tue Jul 12, 2011 1:58 pm

awiegel wrote:Page AV-13 and AV -14 of the service manual describe the signal being sent to the front door speakers as low and mid range only, while the rear door is said to get low, mid and high and the tweeters (obviously) get high range signal. This appears to indicate a built in crossover in the head unit and the fact that coax speakers may not be appropriate for the front doors. No?

It doesn't look that hard to get those covers off the windshield pillars to replace the tweeters.....

I'm pretty sure that's not accurate. Or, if it is, it was being filtered at the speaker itself. I've disabled the pillar tweeters and am using the coaxial speakers in both front and rear doors. I do not notice ANY lack of high frequencies with this arrangement.

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awiegel
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Re: Door Speakers & Subwoofers in my Leaf

Fri Jul 15, 2011 8:15 pm

That is good news, since I already bought my speakers!

Out of curiousity, why disconnect the ones in the pillars?

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awiegel
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Re: Door Speakers & Subwoofers in my Leaf

Fri Jul 15, 2011 8:22 pm

[quote="defiancecp"] the front doors will only be getting the midbass from my PC3.65c component set (mids and highs will go in custom fiberglass pods I'm building and installing in the tiny front window areas).


I commute through San Francisco and go through those intersections you saw in "Bullet." If it wasn't for that tiny window on the passenger side you would have a blind spot big enough to completely hide a car approaching from the right as you enter the intersection going uphill. I'd urge you to be really careful about blocking that window.

defiancecp
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Re: Door Speakers & Subwoofers in my Leaf

Sat Jul 16, 2011 8:04 pm

Really? From my seating position, I can't see anything of value whatsoever from them - they look out at the ground about 6-8ft from the car.... I guess it depends on where you position your seat?

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awiegel
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Re: Door Speakers & Subwoofers in my Leaf

Sat Jul 16, 2011 8:30 pm

defiancecp wrote:Really? From my seating position, I can't see anything of value whatsoever from them - they look out at the ground about 6-8ft from the car.... I guess it depends on where you position your seat?



Well, yes. I am sure that is the case. I am over 6' tall and my seat is shoved back. If you are closer to the windshield you wouldn't have blind spots from the pillars.

Andrew

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