Air Supply's DUAL THT/Small Room Build - AVS Forum
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post #1 of 393 Old 12-16-2009, 08:37 PM - Thread Starter
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After my 2 week buying spree, I think I've collected all my parts.

I hope to get everything cut out this sunday, but won't be able to start assembly until the following weekend (Possibly Christmas Eve).

I know, my basement room is small but I'm getting ready for our new home (Hopefully this summer).

Holycow my camera sucks..








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post #2 of 393 Old 12-16-2009, 08:48 PM
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Where do you plan on putting them? One in each corner of the TV wall? Or stacking them in one corner?
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post #3 of 393 Old 12-16-2009, 08:53 PM - Thread Starter
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Quote:
Originally Posted by dykz34 View Post

Where do you plan on putting them? One in each corner of the TV wall? Or stacking them in one corner?

I'm not sure.

What does everyone think?

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post #4 of 393 Old 12-16-2009, 09:07 PM
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I would say on either side of the tv in the corners allowing them to corner load would be nice. Im positive any placement you decide will rock that room and with two you should have alot flatter response. If these things sound half as good as lead on then your going over kill with two of these but thats awesome.

ADD: if you thumb through the countless build threads of these there is actually a link lurking around that talks about best placement with dual horns. I beleive it said across from one another midwall was best.

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post #5 of 393 Old 12-16-2009, 10:58 PM
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oh man two i cant wait to hear reviews on that. i have mine in a room that is 25' x 25' x 9' with a kitchen off that and some hallways and one definately has tons of spl and output. Two in a smaller room, yikes!
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post #6 of 393 Old 12-17-2009, 03:29 AM
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Mmmmm..... EP4000
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post #7 of 393 Old 12-17-2009, 04:08 AM
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Can't wait for this to get started.... nice goodies!!

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post #8 of 393 Old 12-17-2009, 05:52 AM - Thread Starter
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Just a side note, this EP4000 is one heavy dude. I was pretty shocked.

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post #9 of 393 Old 12-17-2009, 06:05 AM
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Since you only have one row of seats, I'd say put them in the front corners, but with the mouths facing inward, at 1/4 the room's dimension. The best alignment to cancel room modes would be that one or the horn mouths on the midpoints of the side walls.....make sure to make mirror-imaged cabs...

You will not be lacking in low end....Reference to 15Hz (if not lower) at very low distortion should be easy for you....the other speakers will now be your weakest link...not a bad situation to have, considering usually it's the low end that is the weakest link.

JSS
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post #10 of 393 Old 12-18-2009, 06:56 AM
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Quote:
Originally Posted by Air Supply View Post

Just a side note, this EP4000 is one heavy dude. I was pretty shocked.

It uses a regular linear power supply not a switch-mode one, that's why. A high power linear PSU requires a BIG transformer.

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post #11 of 393 Old 12-18-2009, 08:05 AM
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Can you post the exact speakon terminals you bought? Are those going to be flush mounted?
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post #12 of 393 Old 12-18-2009, 01:30 PM
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With the cup he has, I'm assuming the speakon ends are for plugging into the EP? On a side note, I'm in St. Louis, you'll have to let me hear this monster. I'm trying to talk to wife into a 36" version for our basement...Told her we could disguise it as a card/game table(and have it corner loaded).
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post #13 of 393 Old 12-18-2009, 09:46 PM
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Air Supply,


Looking good man! I'm glad you are ready to get started with yours. Looks like your about to rock the world of those nut crackers you've got sitting on the shelves! Poor guys LOL! I agree about the above comment - Bass will not be your weak link anymore!

Good luck man, I'm anxious to watch your build and hear your impressions. It doesn't look like you are currently running a sub. Is that right?


dbl

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post #14 of 393 Old 12-19-2009, 12:44 PM - Thread Starter
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Early start, couldn't wait until next weekend.

Got my 36" panels cut out, panel sketched out, access hole cut out and the first panel glued into place.

I was going to build both at the same time but decided to do just one at a time. I thought it would be easier in the long run.

Guess I'll wait until tommorow to start cutting/gluing more panels.

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post #15 of 393 Old 12-19-2009, 12:46 PM - Thread Starter
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Quote:
Originally Posted by dbldare View Post

Air Supply,


Looking good man! I'm glad you are ready to get started with yours. Looks like your about to rock the world of those nut crackers you've got sitting on the shelves! Poor guys LOL! I agree about the above comment - Bass will not be your weak link anymore!

Good luck man, I'm anxious to watch your build and hear your impressions. It doesn't look like you are currently running a sub. Is that right?


dbl

Thanks, and thanks for the help/advice! I trully appreciate it! Yeah, I'll take those nutcrackers down before I put it on blast

I had two BIC F12's but sold those last weekend. I hope I'll notice a difference with this little upgrade

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post #16 of 393 Old 12-19-2009, 01:54 PM
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I'm not sure which way I'd go if I were building 2 at the same time, if I'd do 1 then the other or both at the same time. dunno. I know I learned a lot from my first build, so maybe one at a time, but not sure.

What are the dimensions of your room?


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post #17 of 393 Old 12-19-2009, 05:04 PM
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Quote:
Originally Posted by Air Supply View Post

Early start, couldn't wait until next weekend.

Got my 36" panels cut out, panel sketched out, access hole cut out and the first panel glued into place.

I was going to build both at the same time but decided to do just one at a time. I thought it would be easier in the long run.

Guess I'll wait until tommorow to start cutting/gluing more panels.

Nice! Looks like you've hit the ground running (...hopefully not too fast though ...). I look forward to following your build.

BTW, what was your procedure for gluing up the first panel (I've been wondering how to do this effectively...)?
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post #18 of 393 Old 12-19-2009, 05:15 PM
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You get the fan for the Behringer so you can do the fan mod? Those things are pretty loud as is.
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post #19 of 393 Old 12-19-2009, 07:54 PM
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My ep2500 will be in a different room, so noise won't be an issue. Several people here have done the mod though, with good results.


dbl

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post #20 of 393 Old 12-19-2009, 08:27 PM - Thread Starter
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Quote:
Originally Posted by dbldare View Post

I'm not sure which way I'd go if I were building 2 at the same time, if I'd do 1 then the other or both at the same time. dunno. I know I learned a lot from my first build, so maybe one at a time, but not sure.

What are the dimensions of your room?


dbl

Not sure about the exact measurements but, I'd roughly guess 20x35.

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post #21 of 393 Old 12-19-2009, 08:31 PM - Thread Starter
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Quote:
Originally Posted by goku14139268520 View Post

Nice! Looks like you've hit the ground running (...hopefully not too fast though ...). I look forward to following your build.

BTW, what was your procedure for gluing up the first panel (I've been wondering how to do this effectively...)?

I just screwed down a guide board to the bottom panel, then screwed panel 1to that guide board. Then, I screwed the bottom plywood to panel 1 from the bottom. I pre-drilled and used a countersink bit. Using 1.25 screws, lowes didn't have 1" screws

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post #22 of 393 Old 12-19-2009, 08:31 PM - Thread Starter
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Quote:
Originally Posted by Matt34 View Post

You get the fan for the Behringer so you can do the fan mod? Those things are pretty loud as is.

I don't have a fan, just whatever comes with it. I'll fire it up and see what all the hype is about first

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post #23 of 393 Old 12-19-2009, 08:38 PM
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Quote:
Originally Posted by Air Supply View Post

Just a side note, this EP4000 is one heavy dude. I was pretty shocked.

If you think that's bad, imagine moving a rack full of them. A friend of mine runs the QSC RMX amps exclusively - the day I bought my amp from him, he was doing sound for a charity event and had a rack of RMX-2450's powering his eight Yorkville subs. Probably about 300 pounds of amp in that one rack. I just about asked him where the anti gravity sled was.

And these amps are real lightweights compared to some older ones. There are Crest amps out there that weigh almost half as much as I do, and I'm a 240 pounder myself

Nice room. Can't wait to see what it looks like with a couple THT's in it
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post #24 of 393 Old 12-19-2009, 08:44 PM
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Quote:
Originally Posted by Air Supply View Post

I don't have a fan, just whatever comes with it. I'll fire it up and see what all the hype is about first

I'm talking about replacing the stock fan in the unit. It's a five minute job and the fan costs about $5-6 if I remember correctly, well worth it if it's going in the listening room.
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post #25 of 393 Old 12-19-2009, 09:00 PM
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Im using 1.25" screws myself. I had to do exactly what you did to get panel 1 attatched alone. Theres no way i could hold the panel and predrill holes from underneath while keeping it steady so i did what you did. And then i fill the holes with a little PL. You have to improvise sometimes. Not everyone one has Bob Villa for a neighbor and a master carpenter for a father. We have to do what we have to do .

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post #26 of 393 Old 12-19-2009, 11:42 PM
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Quote:
Originally Posted by Air Supply View Post

I just screwed down a guide board to the bottom panel, then screwed panel 1to that guide board. Then, I screwed the bottom plywood to panel 1 from the bottom. I pre-drilled and used a countersink bit. Using 1.25 screws, lowes didn't have 1" screws

Ahh thanks, that actually makes a lot of sense. I've been having trouble envisioning the needed procedure/course of action for attaching that first panel. I think you just effectively cleared it up for me.
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post #27 of 393 Old 12-20-2009, 09:13 AM - Thread Starter
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Disaster!

I guess you're not supposed to leave the guide board attached while the glue dries?

My guide board was stuck like chuck. In order to remove it, I had to destroy and bottom panel and panel 1.

Starting over.... back to the drawing board (Literally)

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post #28 of 393 Old 12-20-2009, 09:37 AM
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Bummer

I can't count the number of things I'd do differently on my next build! Just keep swimming (<- Finding Nemo)


dbl

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post #29 of 393 Old 12-20-2009, 09:43 AM - Thread Starter
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k, got it drawed out again... (Much faster this time). Gonna go cut out the panel real quick.....

So, I guess you guys didn't leave those guide boards on while the glue dried?

That glue aint no joke!

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post #30 of 393 Old 12-20-2009, 09:50 AM
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Quote:
Originally Posted by Air Supply View Post

k, got it drawed out again... (Much faster this time). Gonna go cut out the panel real quick.....

So, I guess you guys didn't leave those guide boards on while the glue dried?

That glue aint no joke!

Nope. Just line-up with guide, PL and screw, pull off the guide board, then apply more PL in the seam where the guide board was. Move on to the next panel.


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