IXL 18.2.2 HT Build (10.0 cu ft 15hz)

27233 Views 78 Replies 19 Participants Last post by Alanball10, Dec 6, 2018

GPHammer

Discussion Starter · May 31, 2011

3

Hello

After months of reading on this forum and weeks of working with Graham Perkins (another Graham Perkins design) I have started to build 4 IXL 18.2.2 10 cubic foot subs tuned down to 15hz. I have all the parts with the exception of the 2 Berhinger EP4000's. These subs are to replace one 12 inch Polk Audio sub. My speakers are DIY Jim Holtz Statements, full size, mini's and center.

All parts are cut, internal port is painted, it took forever to square up and round over the cutouts for the internal bracing.

I plan to start assembling them tomorrow, Tuesday.

Gregg

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rademac

· #41 · Sep 6, 2011

Nice work Gregg. I built a similar size sub with the 18.2.2 last year and have been pleased with the result. The only problem I have is finding time when the family is not home to really crank it up. I can't imagine 4 of them. I'm in the Winnipeg area too. Looking forward to the finish of your build.
Chris

GPHammer

Discussion Starter · #42 · Sep 7, 2011

Well I fininshed painting the subs on Monday, lacquer is a wonderful finish to work with, 3 coats of high satin black and sanding with 1000 grit in between coats, 2 coats of high satin clear and buff with a Bounty paper towel, all done in less than 6 hours.
I would rate my finish as a 7 out of 10, I had never sprayed solvent based lacquer before, only water borne lacquer and I found it to be quite a bit different. All in all I am happy with the finish. The cabinets will remain in the garage for the next couple of days to dissapate the smell before I bring them in the house. With any luck the EP4000's will be here by the weekend and I can fire the subs up.

I am looking forward to firing them up, my wife, family and friends think I am nuts for building 4 subs that size, I am starting to think that also.

Gregg

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GPHammer

Discussion Starter · #43 · Sep 7, 2011

rademac said:
Nice work Gregg. I built a similar size sub with the 18.2.2 last year and have been pleased with the result. The only problem I have is finding time when the family is not home to really crank it up. I can't imagine 4 of them. I'm in the Winnipeg area too. Looking forward to the finish of your build.
Chris

Chris

When I am complete you are welcome to come by and check them out.

Gregg

mrogowski

· #44 · Sep 7, 2011

GPHammer said:
Well I fininshed painting the subs on Monday, lacquer is a wonderful finish to work with, 3 coats of high satin black and sanding with 1000 grit in between coats, 2 coats of high satin clear and buff with a Bounty paper towel, all done in less than 6 hours.
I would rate my finish as a 7 out of 10, I had never sprayed solvent based lacquer before, only water borne lacquer and I found it to be quite a bit different. All in all I am happy with the finish. The cabinets will remain in the garage for the next couple of days to dissapate the smell before I bring them in the house. With any luck the EP4000's will be here by the weekend and I can fire the subs up.

I am looking forward to firing them up, my wife, family and friends think I am nuts for building 4 subs that size, I am starting to think that also.

Gregg

Tell them they got off lucky - you were planning on six

gperkins_1973

· #45 · Sep 7, 2011

Gregg,

The tension is mounting fast my friend. I can't wait until you get them fired to up get your impressions.

Really nice finish though.

cheers

Graham

Owen Bartley

· #46 · Sep 8, 2011

GPHammer said:
my wife, family and friends think I am nuts for building 4 subs that size

I don't think there are many people that would contradict them (and the few who would are just as crazy!) but at the same time, we're all drooling over the capabilities of what you have there. And good for you for having the patience to go through so much sanding and priming, that's an easy step to hurry through and not pay proper attention to in anticipation to get the finish on and done. Looking forward to your impressions of the final product!

GPHammer

Discussion Starter · #47 · Sep 9, 2011

4

I have 3 of the subs complete and one still in the garage. These things are incredibly heavy and almost killed me bringing them in the house, that is the problem being stubborn.

Now that they are in the house I realize my wife, family and friends were correct, I am nuts, I knew the subs were big but now that they are in the house they look huge.

I am still waiting on the EP4000's, I ordered them locally because it was $150.00 cheaper than going through Parts Express but at least with PE my orders always arrive in a couple of days, I should have stayed with PE.
At this point I am ready to shake the house.

Gregg

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gperkins_1973

· #48 · Sep 9, 2011

They look georgous mate. Stunning and I can't wait to hear your impressions. Great work.

Mike P.

· #49 · Sep 9, 2011

They might be big and heavy but you're in for a real treat! :hsd:

gperkins_1973

· #50 · Sep 9, 2011

You could easily fit 6-8 in that room. :rofl:

Owen Bartley

· #51 · Sep 9, 2011

gperkins_1973 said:
You could easily fit 6-8 in that room. :rofl:

Beware: This man is certifiably insane. Too much intense bass has decoupled the areas of his brain controlling reasonable judgement. :coocoo:

On a completely unrelated note, Gregg, those look amazing. I'll take 4 whenever you can get around to it.

jroc

· #52 · Sep 9, 2011

Would love to come by and give you a hand setting these up and tweaking them, or even just for a listen!

GPHammer

Discussion Starter · #53 · Sep 11, 2011

jroc said:
Would love to come by and give you a hand setting these up and tweaking them, or even just for a listen!

Jroc, when they are up and running I will send you a PM with my phone number and you are welcome to come by for a listen. I would like to have them setup before I invite people over, this way visitors can come by and enjoy without being put to work.

The amps have still not arrived, I ordered locally from a company called Long and Mcquade on August 29, they have no explanation as to why they have not arrived but told me to check on Thursday Sept 15, I may ask for my deposit back at that time.

On the bright side, it will give me time to arrange my basement for the subs.
When the amps come in I will let you know.

Gregg

mrogowski

· #54 · Sep 11, 2011

Don't forget me ...

GPHammer

Discussion Starter · #55 · Sep 12, 2011

mrogowski said:
Don't forget me ...

I will definitely not forget you, it is important to me to have built something to show the quality, power and performance of the Mach 5 subs, your subs. Thanks

Gregg

GPHammer

Discussion Starter · #56 · Sep 14, 2011

I received the Behringer EP4000's yesterday and connected two subs up yesterday and the final two subs today. And yes, they are phenomenal. I watched parts of "Ironman" and "Transformers" at normal volumes and the bass response was incredible. These things are beasts, exceeding all expectations.

Gregg

gperkins_1973

· #57 · Sep 14, 2011

Told you so!!!! LOL. Gregg, I am glad your happy and it will no doubt be even better when you get some REW sweeps and add some EQ into the equations. You may even find that with 4 subs you will need very little EQ.

Where do you have them located by the way.

Be good to get some final pics mate.

cheers

Graham

GPHammer

Discussion Starter · #58 · Sep 14, 2011

Graham

The subs will be behind me and I am going to stack them two high, that is my first plan.
I used the YPAO on my Yamaha amp to set them up. I may do more extensive EQ'ing at a later date.
I can not go too loud as doors rattle, ceiling tiles vibrate, curtain rods rattle, wife was scared. I just play it at a normal listening volume and when the bass kicks in, it is incredible.
Also, when you stand in front of them, you can feel the waves of bass hitting you, that is impressive.

Gregg

gperkins_1973

· #59 · Sep 14, 2011

Im so glad you are happy. Would love a vid if poss at some point.

Owen Bartley

· #60 · Sep 14, 2011

Good to hear that you're impressed with the result, Gregg. I'd love to see some final pics of the room too, and keep us updated on your experiments with positioning. With 4 subs you (theoretically) have a lot of options, so I'll bet by the time you settle on something it will sound amazing.

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