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stacking reflex

Printed From: Speakerplans.com
Category: Plans
Forum Name: Ported Enclosures
Forum Description: Post all your reflex and bandpass and 'other' boxes with holes in stuff here...
URL: https://forum.speakerplans.com/forum_posts.asp?TID=89998
Printed Date: 27 March 2026 at 8:18am
Software Version: Web Wiz Forums 12.08 - https://www.webwizforums.com


Topic: stacking reflex
Posted By: app
Subject: stacking reflex
Date Posted: 24 December 2014 at 8:22pm
Greetings!

Is there any difference in how to stack reflex bass boxes?

For example 2 boxes can be stacked in many ways,which way is the best?Does it really matter?

Thanks!


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"what!?"



Replies:
Posted By: app
Date Posted: 24 December 2014 at 8:40pm
Whats the difference of different ways?

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"what!?"


Posted By: Elliot Thompson
Date Posted: 24 December 2014 at 9:16pm
Reflex cabinets are not finicky as horns so they can be stacked to your liking. The main concern should be having the proper height to perch your full-range cabinets on top. I only use doubles and keep them standing up for this precise reason.

Best Regards,



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Elliot Thompson


Posted By: ceharden
Date Posted: 24 December 2014 at 9:20pm
Personally I normally stack with the ports together, whether the cabs are side by side or one on top of the other.


Posted By: nickyburnell
Date Posted: 24 December 2014 at 9:36pm
Look at the RC1 system. All makes perfect sense to me.


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It's everything, not everythink!


Posted By: app
Date Posted: 24 December 2014 at 9:39pm
Thanks guys! I thought that it dont really matter that much how you stack reflex.

What about in terms of spl,wouldnt 2 boxes both on the floor be better or does the same thing occur when stacked on top of each other?


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"what!?"


Posted By: app
Date Posted: 24 December 2014 at 9:45pm
Originally posted by nickyburnell nickyburnell wrote:

Look at the RC1 system. All makes perfect sense to me.


Seems to have ports bottom and others in the "middle".Can you open it a bit more,what do you mean?



I bet it sounds nice but thats one ugly ass sound systemLOL


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"what!?"


Posted By: Elliot Thompson
Date Posted: 24 December 2014 at 10:30pm

Originally posted by app app wrote:

Thanks guys! I thought that it dont really matter that much how you stack reflex.

What about in terms of spl,wouldnt 2 boxes both on the floor be better or does the same thing occur when stacked on top of each other?


That would only make a difference if you are using limited quantity. Whenever you are using limited quantity, you are trying to extract every bit of SPL possible.

If you are only using two single boxes, you can always toss them in a corner and achieve the boundary effect while having your tops sitting at the proper height.

Best Regards,

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Elliot Thompson


Posted By: ceharden
Date Posted: 24 December 2014 at 11:52pm
It's probably more important to stack them whichever way gets your mid-tops to the optimum height.

Like many things it's going to depend on the particular cabs you're using them and in what environment.  Try the different options and go with what works.  If you can't tell the difference then that gives you an answer too.


Posted By: corell
Date Posted: 25 December 2014 at 12:18am
number 3 should have a little lower tuning than number 4, so try those two options and if you hear no difference, any stacking will sound the same.


Posted By: Shaun
Date Posted: 25 December 2014 at 2:26am
Originally posted by app app wrote:

Whats the difference of different ways?
2 and 3 are the odd ones out as the pattern does not repeatBig smile

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No, it is not a line array it is some well stacked boxes...............


Posted By: nickyburnell
Date Posted: 25 December 2014 at 11:02am
Originally posted by app app wrote:

Originally posted by nickyburnell nickyburnell wrote:

Look at the RC1 system. All makes perfect sense to me.


Seems to have ports bottom and others in the "middle".Can you open it a bit more,what do you mean?



I bet it sounds nice but thats one ugly ass sound systemLOL


Getting a port coupled to floor is what is firstly does, then, as much of the energy is through the ports, it gets the next two in the upper body/face area.
It's supposed to be ugly, it's an industrial overkill type of thing. It also uses 15's I think, which gives a nice fast kick, three way system. Off subject.... Merry Christmas.


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It's everything, not everythink!


Posted By: app
Date Posted: 17 February 2015 at 11:09pm
I stacked the subs in a way showed at number 4. I think I should have gone with number 1 for some reason.

What benefits are there having port down to ground?

Next time Im playin Ill thin more about the spot where I put the system...




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"what!?"


Posted By: Spartan Audio
Date Posted: 19 February 2015 at 9:35am
There is no correct answer that applies to all situations.

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http://www.spartanaudio.co.uk


Posted By: vectrasoundz
Date Posted: 11 March 2015 at 10:35am
Originally posted by app app wrote:

Whats the difference of different ways?
I've used 1, 3, 4 and 6. 4 and 6 have more sub bass in my application, 4 and 1 more height so used more regular. 3 had a louder over all bass (might be cause of the size of the room)


Posted By: vectrasoundz
Date Posted: 11 March 2015 at 10:38am
Originally posted by Spartan Audio Spartan Audio wrote:

There is no correct answer that applies to all situations.
this


Posted By: Heathrow_B_line
Date Posted: 11 March 2015 at 11:17am
if i had 2 boxes id do it as shown in fig 3

if i had 4 or 6 id stack it like fig 6

if i needed more than 6 boxes id bring scoops!

lol


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Produce a killer sound. Take no prisoners.


Posted By: jammin75
Date Posted: 11 March 2015 at 8:07pm
Originally posted by Heathrow_B_line Heathrow_B_line wrote:

if i had 2 boxes id do it as shown in fig 3

if i had 4 or 6 id stack it like fig 6

if i needed more than 6 boxes id bring scoops!

lol



just bring the scoops anyway LOL


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feel the vibes !!!   "Who Feels it Knows it"            Strong like Lion              


Posted By: nickyburnell
Date Posted: 11 March 2015 at 8:13pm
Dont forget the kicks 'cos the scoops honk like mad above 90hz and are too slow for electronic dance, there you go, just as many cabs after all. Ying Yang


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It's everything, not everythink!


Posted By: jammin75
Date Posted: 11 March 2015 at 9:20pm
yes scoops no good for dance music LOL  u need more reflex a LOT more Big smile


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feel the vibes !!!   "Who Feels it Knows it"            Strong like Lion              


Posted By: nickyburnell
Date Posted: 11 March 2015 at 9:53pm
Yet even though they will be no good to me, I am sitting here looking at the many Scoop plans I have trying to decide which ones for the summer project, sort of infectious damn things.Confused


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It's everything, not everythink!


Posted By: app
Date Posted: 13 November 2015 at 12:37am
Ive been using number 1 a lot. Kinda just got stuck to doing it like that every timeLOL

Id like to test number 3 but dont want midtops on sticks.

I need to test number 4 too again since I only tried it once and had other problems with the sound since it was my first session with the system.


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"what!?"


Posted By: app
Date Posted: 13 November 2015 at 12:40am
Originally posted by corell corell wrote:

number 3 should have a little lower tuning than number 4, so try those two options and if you hear no difference, any stacking will sound the same.


Does reflex also go lower when "mouths" are together like in horns? I thought it was only on horns.




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"what!?"


Posted By: Elliot Thompson
Date Posted: 13 November 2015 at 1:16pm
Originally posted by app app wrote:


Does reflex also go lower when "mouths" are together like in horns? I thought it was only on horns.





The reflex concept is to offer the desired frequencies you are aiming for in a singular cabinet. The lowest desired frequency is based on your design objective. Using multiple reflex cabinets (4, 8, 16, 32 cabinets) will increase the overall frequency response from a dB perspective.

 

  As the reflex has the capability to offer the flattest frequency response than any other design on the market, you will receive a dB response like what is listed below once you start adding more boxes in the equation. 

 

 

 

Notice how consistent the dB level is within the 100 Hz – 26 Hz range.  

 

Horns can extend their frequency response when having their mouths coupled together however will reach their cut-off limit as the length of the horn dictates the lowest frequency point. As the majority of the horns on the market today offer a short length, it is precisely this reason why 98% of the homemade bass horns on the market take a nose dive below 50 Hz no matter how many boxes they add to the equation.

 

 

 

Best Regards,




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Elliot Thompson


Posted By: vectrasoundz
Date Posted: 13 November 2015 at 1:24pm
Dude, where do you store your knowledge? I want a copy lol


Posted By: app
Date Posted: 13 November 2015 at 1:39pm
Originally posted by Elliot Thompson Elliot Thompson wrote:

Originally posted by app app wrote:


Does reflex also go lower when "mouths" are together like in horns? I thought it was only on horns.





The reflex concept is to offer the desired frequencies you are aiming for in a singular cabinet. The lowest desired frequency is based on your design objective. Using multiple reflex cabinets (4, 8, 16, 32 cabinets) will increase the overall frequency response from a dB perspective.

 

  As the reflex has the capability to offer the flattest frequency response than any other design on the market, you will receive a dB response like what is listed below once you start adding more boxes in the equation. 

 

 

 

Notice how consistent the dB level is within the 100 Hz – 26 Hz range.  

 

Horns can extend their frequency response when having their mouths coupled together however will reach their cut-off limit as the length of the horn dictates the lowest frequency point. As the majority of the horns on the market today offer a short length, it is precisely this reason why 98% of the homemade bass horns on the market take a nose dive below 50 Hz no matter how many boxes they add to the equation.

 

 

 

Best Regards,




Thanks man! Heres a link to the picture in Elliots post.
http://postimg.org/image/apu5uwnu1/" rel="nofollow - http://postimg.org/image/apu5uwnu1/



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"what!?"


Posted By: fatfreddiescat
Date Posted: 13 November 2015 at 5:40pm
2, 5 or 6, may help the drivers run a little cooler.


Posted By: app
Date Posted: 15 November 2015 at 11:18pm
Originally posted by fatfreddiescat fatfreddiescat wrote:

2, 5 or 6, may help the drivers run a little cooler.


Why is that?


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"what!?"


Posted By: fatfreddiescat
Date Posted: 16 November 2015 at 10:26am
Originally posted by app app wrote:

Originally posted by fatfreddiescat fatfreddiescat wrote:

2, 5 or 6, may help the drivers run a little cooler.


Why is that?


Convection due to coil assembly heating the air in the chamber, hot air will rise and exit at the top, cool air will be drawn in below, it works, tested on a regular basis in my living room using the wood burner.



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