Trying to tighten up the sound/bass
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Road Warrior
Joined: May 2008
Posts: 1,847
Likes: 6
From: FT Bragg NC
Trying to tighten up the sound/bass
Now before yoiu audiophiles start beating me up, yes I know the sound won't be perfect, I'm just trying to tighten it up a little. For those of you who have tried the J&M Fairing/Speaker Acoustic Pad Kit, did it work for you? How noticable of a difference did it make? Thanks....
https://www.denniskirk.com/jandm-cor...prd/408574.sku
https://www.denniskirk.com/jandm-cor...prd/408574.sku
Extreme HDF Member
Joined: Sep 2010
Posts: 14,744
Likes: 402
From: Phoenix '53, '88, '09 Big Twins
something on the backside of the speakers will help dampen some of the hard midrange frequencies.
the kit looks pricey- how about some foam and contact cement.
Mike
the kit looks pricey- how about some foam and contact cement.
Mike
Stellar HDF Member
Joined: Oct 2010
Posts: 2,589
Likes: 98
From: Port Orange, Fl
You're never going to get "bass" out of the options we all go to for the front fairing. Biggest best 6.5's with an amp will still not deliver. They might "hit" better and be louder but that "bass" we are all after doesn't exist from the fairing.
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Road Warrior
Joined: May 2008
Posts: 1,847
Likes: 6
From: FT Bragg NC
I understand I won't get as much "BASS" out of a fairing. As I said I was wondering if the kit would tighten up what bass I do have.
Tourer
Joined: Jun 2006
Posts: 372
Likes: 0
From: Austin Tx
There's really nothing you can do about this.
The problem has to do with the fact that your moving in an open air environment at 65+ MPH. Once you do that, all chances for ANY form of bass go right out the window.
The problem has to do with the fact that your moving in an open air environment at 65+ MPH. Once you do that, all chances for ANY form of bass go right out the window.
Road Warrior
Joined: Aug 2007
Posts: 1,599
Likes: 7
From: Hoffman Estates, IL
I have the J&M 7.25's and it's no secret that I'm pretty happy with them.
THAT SAID -- I'm an audio engineer by trade and I'm well aware of the fact that acoustic foam is pretty worthless. Including the foam that comes with the J&M's. That stuff is probably effective at 4kHz and up -- Not 400Hz and down.
In the fairing, the best you can hope for is to tackle some of the resonance of the cavity. I ended up using a sheet of Ballistic -- http://www.ballistic-online.com -- you can get it at most car stereo shops. Added enough mass to the fairing to attenuate the boxy resonance pretty well. It certainly won't "increase" the low end (which really doesn't even develop until you're a few feet behind the bike), but it stops you from hearing the fairing resonating to the music. Installs in no time, trims with scissors.
Lemme see if I have a photo...
THAT SAID -- I'm an audio engineer by trade and I'm well aware of the fact that acoustic foam is pretty worthless. Including the foam that comes with the J&M's. That stuff is probably effective at 4kHz and up -- Not 400Hz and down.
In the fairing, the best you can hope for is to tackle some of the resonance of the cavity. I ended up using a sheet of Ballistic -- http://www.ballistic-online.com -- you can get it at most car stereo shops. Added enough mass to the fairing to attenuate the boxy resonance pretty well. It certainly won't "increase" the low end (which really doesn't even develop until you're a few feet behind the bike), but it stops you from hearing the fairing resonating to the music. Installs in no time, trims with scissors.
Lemme see if I have a photo...
Road Master
Joined: Jun 2009
Posts: 866
Likes: 2
From: Pocahontas, IL
Midrange and highs are a directed sound. Easy to get even on a lawnmower (jk). You can forget about bass. Nothing for the sound to bounce off of. That is why a truck stereo can sound so darn good. The other posters are right. Don't spend your dollars trying to get bass. Headphones will give you that sound your looking for...lol
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Outstanding HDF Member
Joined: Jan 2010
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From: earth
I used a high density foam kitchen mat, and it made a pretty noticeable difference. I don't know baby **** from apple butter when it comes to sound engineering, but there was a sound guy that said the foam I used was very well suited. https://www.hdforums.com/forum/touri...r-fairing.html If nothing else its a good excuse to hang out in the garage and drink beer
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Tourer
Joined: Feb 2010
Posts: 250
Likes: 1
From: round here
I
In the fairing, the best you can hope for is to tackle some of the resonance of the cavity. I ended up using a sheet of Ballistic -- http://www.ballistic-online.com -- you can get it at most car stereo shops. Added enough mass to the fairing to attenuate the boxy resonance pretty well. It certainly won't "increase" the low end (which really doesn't even develop until you're a few feet behind the bike), but it stops you from hearing the fairing resonating to the music. Installs in no time, trims with scissors.
In the fairing, the best you can hope for is to tackle some of the resonance of the cavity. I ended up using a sheet of Ballistic -- http://www.ballistic-online.com -- you can get it at most car stereo shops. Added enough mass to the fairing to attenuate the boxy resonance pretty well. It certainly won't "increase" the low end (which really doesn't even develop until you're a few feet behind the bike), but it stops you from hearing the fairing resonating to the music. Installs in no time, trims with scissors.
It does make a little difference in the thin bass response, but dont expect to suddenly rattle windows with it.
Your absolute best bang is going to be adding larger speakers, at least 6.5's.
Regardless, as mentioned above, any bass is totally gone above about 25-30 mph anyway.
