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I built an IB sub...wanna see it? (1 Viewer)

Geoff L

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Dec 9, 2000
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Geoff
Tempest Monsters INC. OMG
Your poor thermostat and smoke dector, will they survive the possible nightly earthquakes!
Very impessive wall of Bass Mike, and as you said almost to easy..
Possible idea::::
Maybe a cover out of white grill cloth to match the wall and remove it for the Major Jaw Drop!
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How long before some in-room data?
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Again looks fantastic, and surely sounds even better!
Thanks for taking the time to document the project. Shows how easy this type in room IB can be! Certainy will motivate others to consider such a monster with the Incrediable Bass Preformence benifits it brings to the table.
Thanks for shareing your project, definitly gotsa me thinking. Im looking at my closet as I write.
Oh honey I have an idea, see I was thinking...... :)
Regards
Geoff
Edit: Ah, looks like no IB in the near future. Got that look, wouldn't even talk about it. Things where so much easier when I was single, and that was just months ago. :frowning:
 

Mike Knapp

Supporting Actor
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Aug 4, 1997
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Mike
I will be documenting the performance issues soon. I will say this....WOW! :)
Mike
 

Mike Knapp

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Aug 4, 1997
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Mike
I cut the ceiling out of the closet and sealed up the door with MDF. I painted the MDF the same color as the wall and you really cant tell (not much anyway) that there was ever a closet there.

Mike
 

Cam S

Screenwriter
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Jan 11, 2002
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haha, I like your "Shit-eating grin" Mike, show's off those pearly whites, hahaha :D
Dam, that is one hell of a IB sub!! I'd do the white grill cloth too, that way you get that super stealth look, and when poeple wonder where the hell all this bass is coming from, pull the grill away and prepare for their own rendition of "shit-eating grins" :D
BTW, what was the final impedance of the subs, and what amp did you use to drive them??
 

Scott Simonian

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Jun 20, 2001
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Mike, that looks incredible!
Great work. Make sure that it destroys something. Anything. Just to make sure it is an "Ultimate" sub. :D
 

Martice

Screenwriter
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Jan 20, 2001
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1,077
You are one sick BASTARD!!! Just sick!! Your poor house is going to just get up and walk away when it see's you coming home.
Excellent work. :emoji_thumbsup:
 

Chas Gorton

Auditioning
Joined
Feb 24, 2002
Messages
5
Okay Im really scared now....I was going to build a new sub system, when I move out, using 2 18....but damn looks I'm going to have to do much crazier to win the award of Bass Freak.
 

Chris Tsutsui

Screenwriter
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Feb 1, 2002
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Very nice ideas, I'm going to use caulk and zip ties when I make my single tempest. Sigh, suddenly my single tempest project sounds wimpy.
 

Scott Simonian

Screenwriter
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Jun 20, 2001
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1,281
Yeah really.
Chris, just do what I do. I use this "great opportunity" to make a second. :D
Heh, I already ordered a second plate amp. ;)
 

Mike Knapp

Supporting Actor
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Aug 4, 1997
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Mike
This really is an easy project and can be done with nothing showing in the room but a small vent. This truly is a device that can have high SAF and still function without compromise.

I recommend anyone looking for great bass to look closely at this option.

Cam,

They have an 8 ohm load and I am using my Fidek amp to drive them.

Mike
 

kevin_u

Agent
Joined
Nov 24, 2001
Messages
33
I 2nd what Mike said,

It's a easy box to build, easy to hide, and as a fellow 4-Tempest IB guy, I have to say the quality of bass is amazing.

So come on guys start cutting holes in your walls, floors, or ceilings!

Kevin
 

Patrick Sun

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Joined
Jun 30, 1999
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39,408
Can't wait for those who live in college dorms to try out an IB sub. There goes their security deposit... :)
 

Dave Moritz

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Jul 7, 2001
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Dave Moritz
Well I guess my plans for dual JBL 18" subwoofers are out the door. Time to turn to plan Terminator which intales a sub woofer with dual 24" JBL's. Muahahaha, LOL.

Hey Mike Knapp have fun with your new subwoofer let us know what you come up with on your in room data.
 

Gil D

Supporting Actor
Joined
Mar 15, 1999
Messages
577
Mike,

Looks awesome! I like the idea about the grill to hide those babies and the utter shock when they first hear it and then see what's behind curtain #1.

I assume you had to seal tight the closet. Did you have to box it in with MDF over the plaster/sheetrock? How about the attic - attics up north here are vented.

How big does the enclosure really have to be for say two Tempests?

Gil
 

Rich Kraus

Stunt Coordinator
Joined
May 3, 2000
Messages
209
gil, i dont have the link handy since im on my office 'puter, but follow through my sig link to my IB page. there is a link their for the "cult" FAQ. lots of good answers to IB questions.

the "enclosure" has to be 10x the total Vas of the drivers used.
 

Mike Knapp

Supporting Actor
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Aug 4, 1997
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644
Real Name
Mike
I just left the drywall alone and didnt put any additional stiffening in the closet. So far....no problems. It would be easy enough to open the closet up if a concern arises but for now it sounds great as is.

Mike
 

Jed M

Senior HTF Member
Joined
Oct 2, 2001
Messages
2,029
Mike, Happy Birthday! That is the coolest DIY project I have seen. Looks great. My only option to do that would be to seal off my roommates room. Hmm... :D
 

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