Alpine SWR-823D / 843D 8" Subwoofers - Page 9 - Car Audio | DiyMobileAudio.com | Car Stereo Forum

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Old 05-21-2011   #201
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Default Re: Alpine SWR-823D / 843D 8" Subwoofers

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Originally Posted by thelbz View Post
I cant wait to start on a new box for my swr-823. I think im going to go with a box that extends my center console into the rear passenger area. The basket hits on the inside of the under seat box I have now.
What direction would you face the port? UP into the headliner area, to the left or right towards the rear doors, or back to the rear wall of the cab?
This is in a Double Cab tundra BTW
Search out Clineselects dodge ram install/build log!!!!!!! It is absolutely amazing and he has done COUNTLESS designs for the center console and the ideas/concepts should easily pass for most trucks. I asked him the EXACT same question before I built my ported box in my truck (ram) and he said he had best results with it facing the dash. I did the same thing and have had excellent results...BUT I wish I had tried rear and bottom facing ports as well. I may Build a scrap test box to try other options out myself...I suggest you do the same, but front facing is pretty damn good
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Old 05-21-2011   #202
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Default Re: Alpine SWR-823D / 843D 8" Subwoofers

Ahh hell, I'll just do it for ya....EVERYONE NEEDS TO SEE THIS!

http://www.diymobileaudio.com/forum/...ll-thread.html

Its a lot of pages but in my opinion this is in the top 5 most important, informative, and eye pleasing threads in the whole diyma website! If you own a truck you HAVE to see this. It will completely change what you thought was possible in a truck!! IMO of course
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Old 05-21-2011   #203
 
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Default Re: Alpine SWR-823D / 843D 8" Subwoofers

I already sacrifice leg room but from the back. The box keeps the seat from going back all the way. You surely cant lean it back.

I guess i just need to wait for the day that my rear window stops working and i use that wall to mount 2 type x 10" ib into my trunk which ill seal off.
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Old 05-21-2011   #204
 
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Default Re: Alpine SWR-823D / 843D 8" Subwoofers

I already sacrifice leg room but from the back. The box keeps the seat from going back all the way. You surely cant lean it back.

I guess i just need to wait for the day that my rear window stops working and i use that wall to mount 2 type x 10" ib into my trunk which ill seal off.
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Old 05-21-2011   #205
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Default Re: Alpine SWR-823D / 843D 8" Subwoofers

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I ordered my type r today from cruthfield, should be here Tuesday! I can't wait, I'm going into overdrive to get the box done.
Why did you do that? Al and Ed's has them for $108 shipped and a authorized dealer
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Old 05-23-2011   #206
 
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Default Re: Alpine SWR-823D / 843D 8" Subwoofers

I didn't know that? I have no local dealers, ad I've had luck with Crutchfield. I know their overpriced, but I have their Sony financial card that's 6 Montserrat same as cash; which helps me out alot right now being fresh out of college.

I got a thick gel coat on my box to get it close to being smooth. I'm going to sand it down today and get a layer of filler on it. I've decided on doing it in vinyl.



My type R and my HAT image 6.5s should be here tomorrow! Can't wait!!!

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Old 05-23-2011   #207
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Default Re: Alpine SWR-823D / 843D 8" Subwoofers

Sounds good..... good luck with your build
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Old 05-24-2011   #208
 
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Default Re: Alpine SWR-823D / 843D 8" Subwoofers

Thanks!

I got the sub today;


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Old 05-24-2011   #209
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Default Re: Alpine SWR-823D / 843D 8" Subwoofers

I'm hoping I can get mine in this weekend!
Let us know how yours works out
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Old 05-25-2011   #210
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Default Re: Alpine SWR-823D / 843D 8" Subwoofers

Going to see if I can get mine in tomorrow. Been on bedrest for a few days now because of a neck/back spinal injury and going stir crazy! Starting to feel a little more mobile and really want to get these puppies in! Going to cut the new baffles in the am. and hope that I can just paste the new baffle over the 10" one thats already there and the bolts that hold the center console in place are long enough? I really dont want to Build another box
Have to see how I feel?
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Old 05-25-2011   #211
 
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Default Re: Alpine SWR-823D / 843D 8" Subwoofers

I hope you heal up quick so you can give us a good review on it!

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Old 05-26-2011   #212
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Default Re: Alpine SWR-823D / 843D 8" Subwoofers

Ok, I am in a TON of pain right now BUT!!!!!!!!!!! Review will be posted later today

Jim.....I would give you a hug if I were near you! The 8" game is OVER! Alpine just won it To summerize.....I have never touched, heard, seen, and 8" sub like this in my life and I have tried MANY! There are louder 8s (but they are very loud) there may be a sub or two that would test better in the sq arena (doubt it though) BUT I have not had one that does it all..... Its an idmax, w7, GTI, or more appropriate....Type X..........8" sub!!!! I am in love with my two already!!
THANK YOU JIM AND ALPINE!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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Old 05-26-2011   #213
 
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Default

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Ok, I am in a TON of pain right now BUT!!!!!!!!!!! Review will be posted later today

Jim.....I would give you a hug if I were near you! The 8" game is OVER! Alpine just won it To summerize.....I have never touched, heard, seen, and 8" sub like this in my life and I have tried MANY! There are louder 8s (but they are very loud) there may be a sub or two that would test better in the sq arena (doubt it though) BUT I have not had one that does it all..... Its an idmax, w7, GTI, or more appropriate....Type X..........8" sub!!!! I am in love with my two already!!
THANK YOU JIM AND ALPINE!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
You just put a big smile on my face Rex!! I'm going to share this around with some of our guys that helped with this project, who knows you may even be poster board material here at Alpine USA HQ. Let me know when you get some pics of it all installed and email them to me first letter of my name and full last name combined at alpine dash USA dot com.

if you do this. it'll help you. some sunny day ...
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Old 05-26-2011   #214
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Default Re: Alpine SWR-823D / 843D 8" Subwoofers

Rex you need to call me asap! Lol

Melodic Acoustic Intimid8r and Faital Pro 3FE22,dayton amtpod-4, 1 SS TN1.1200D, will be looking for 1 SS Synthesis dsp, JBL W12GTIMKII
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Old 05-26-2011   #215
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Default Re: Alpine SWR-823D / 843D 8" Subwoofers

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Rex you need to call me asap! Lol
Give me a time to call tomorrow.
Today is not good
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Old 05-26-2011   #216
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Default Re: Alpine SWR-823D / 843D 8" Subwoofers

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Originally Posted by rexroadj View Post
Give me a time to call tomorrow.
Today is not good
Any time you feel up to it call.

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Old 05-26-2011   #217
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Default Re: Alpine SWR-823D / 843D 8" Subwoofers

I will do my initial write up in a little while and post the link to it here for anyone that wants to read my usual long winded nonsense?

I will warn you now...I didnt, and cant do the frequency range you asked for because of the limitation of xovers in my truck at this moment, add to that the low freq ported box...I wont get into it all here but I will have to Build a new box to fit the center console brackets....The two 8s next to each other the way I have them right now wont fit properly....Its ok because I want to change the tuning frequency.....
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Old 05-26-2011   #218
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Default Re: Alpine SWR-823D / 843D 8" Subwoofers

God knows I'm down for long winded reviews...

Melodic Acoustic Intimid8r and Faital Pro 3FE22,dayton amtpod-4, 1 SS TN1.1200D, will be looking for 1 SS Synthesis dsp, JBL W12GTIMKII
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Old 05-26-2011   #219
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Default Re: Alpine SWR-823D / 843D 8" Subwoofers

Alpine SWR-823D GAME OVER!!!

You asked for it
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Old 05-27-2011   #220
 
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Default Re: Alpine SWR-823D / 843D 8" Subwoofers

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Originally Posted by rexroadj View Post
Jim.....I would give you a hug if I were near you! The 8" game is OVER! Alpine just won it To summerize.....I have never touched, heard, seen, and 8" sub like this in my life and I have tried MANY!
Have you tried the Peerless SLS8 or CSS Trio8?

It sounds like you're just comparing them to car-fi marketed drivers. Few car-fi marketed drivers are very good. These particular drivers do seem to have some solid engineering behind them, though.

A similar motor on a lighter cone would make a very interesting midbass, I think. Hint, hint, Alpine.
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Old 05-27-2011   #221
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Default Re: Alpine SWR-823D / 843D 8" Subwoofers

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Originally Posted by DS-21 View Post
Have you tried the Peerless SLS8 or CSS Trio8?

It sounds like you're just comparing them to car-fi marketed drivers. Few car-fi marketed drivers are very good. These particular drivers do seem to have some solid engineering behind them, though.

A similar motor on a lighter cone would make a very interesting midbass, I think. Hint, hint, Alpine.
You are correct! I did base my conclusions off of other car-fi marketed drivers for a few reasons.... First being that they are in that market so I found it fair. Second was because of the other drivers I have used in the past (of the 8s you mentioned I have used the peerless but as midbass drivers, but have used trio in other sizes in the past)
I have found a great deal of the diy drivers (I know I am going to catch hell for this but its just been my experience...and as a disclosure I like to REALLY use my stuff) are just delicate for my tastes. I couldnt see using the Peerless as dedicated subwoofers in my system without a larger sized ported box with several drivers....which is fine but not practical in my center console. I could be dead wrong though because I only used them as dedcated midbass and they were great, but I have prefered several over them.
I am probably way off here and you or Mr. Walter can get into it further but werent the original F#1 mids (blue cone with the pointy dustcap "vifa looking") similar?
Not gonna lie....just going cosmetics from the back side Insert stupid here!
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Old 05-28-2011   #222
 
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Default Re: Alpine SWR-823D / 843D 8" Subwoofers

I hope in this long weekend I will have the time to finish my console style enclosure, but I may not have the time. It sucks having to Build my enclosure, Build one for the old lady's sub, build rock slider/step bars for the old lady. But this sub seems to sound better and better even though its not in a enclosure built for it.
I added some 6.5" Massive VK mids in the rear doors running on 100W. They seem to blend so well with the swr that it seems all most nonexistent. I am going to use a round port in the new enclosure so I can easily try different tuning, like to see how it performs with low 30hz tuning.
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Old 05-28-2011   #223
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Default Re: Alpine SWR-823D / 843D 8" Subwoofers

I am thinking of buying the SWR-1043D

It required .5 cubic feet for a sealed box.

My question is: does it hit hard?

Ideal placement will be the passenger side cargo area, custom form fitting box over the wheel hump and behind it.

I have outgrown the SPL phase and now want SQ.

I've said this in another post: recent trade where I acquired a 15" sub and 4.1 ported box really made my mind up about sub woofers and the cubic footage they require.

http://www.bestbuy.com/site/Alpine+-...pine&cp=3&lp=3

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Last edited by 96jimmyslt; 05-28-2011 at 01:25 PM..
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Old 05-28-2011   #224
 
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Default Re: Alpine SWR-823D / 843D 8" Subwoofers

Sorry wrong thread
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Old 05-28-2011   #225
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Default Re: Alpine SWR-823D / 843D 8" Subwoofers

I ran the specs for the 4+4 version of the driver though HornResp. It might do quite well in a 30 litre (net) transmission line. For a starting point, S1=200 cm, S2=80 cm, length=213 cm, stuff about the first 1/4 or so (to deal with the response abberations above 100 Hz)...

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