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post #31 of 80 Old 10-03-2011, 05:51 AM
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2242H is the best sub ive ever heard,

and thats why I use one too. Its the only sub that I can hear detail from in the bass region.

Welcome to the club buddy

Ill post up some in room REW measurements later, so you can get an idea of actual room gain and in room response if you want.
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post #32 of 80 Old 10-10-2011, 07:08 PM - Thread Starter
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Quote:
Originally Posted by lbaccoustics View Post

2242H is the best sub ive ever heard,

and thats why I use one too. Its the only sub that I can hear detail from in the bass region.

Welcome to the club buddy

Ill post up some in room REW measurements later, so you can get an idea of actual room gain and in room response if you want.

Thanks. Glad to join the club.

I made some progress over the weekend. I pretty much have all the wood cut, baffle has been routed, and I have started gluing it together.





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post #33 of 80 Old 10-21-2011, 07:30 PM - Thread Starter
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More progress:


Six 4" diameter ports cut and painted.


This box is huge and heavy.


Extensive bracing.


Ports installed.


Red oak front baffle.
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post #34 of 80 Old 10-22-2011, 08:15 AM
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That looks very nice! I bet it will sound great.

He who does not punish evil commands it to be done.  Leonardo DaVinci

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post #35 of 80 Old 10-27-2011, 07:22 PM - Thread Starter
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Quote:
Originally Posted by NWCgrad View Post

That looks very nice! I bet it will sound great.

Thanks. I am really looking forward to hearing them.

Made some more progress.

Used the flush trim bit and then a round-over bit in my router. I did all of the edges this way.


Test fit of the driver.


Stained the baffle with Benjamin Moore Red Mahogany oil-based stain.


I then painted all other sides with black enamel paint. Used a 4" foam roller to do it.


I am almost done, just need to do a few more things. I should be able to finish this weekend.
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post #36 of 80 Old 10-28-2011, 12:22 AM
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Awesome!

Look forward to your thoughts and/or measurements.
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post #37 of 80 Old 10-28-2011, 06:21 PM
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wow, that stain took quite nicely. minimal blotchiness and constant color. nice. did you pretreat the wood prior to staining?

Listen. It's All Good.
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post #38 of 80 Old 11-10-2011, 05:32 PM - Thread Starter
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Quote:
Originally Posted by LTD02 View Post

wow, that stain took quite nicely. minimal blotchiness and constant color. nice. did you pretreat the wood prior to staining?

No, I did not pre-treat the wood prior to staining. Oak takes stain very well.

I sanded it with 150 grit sandpaper, cleaned the dust, and then wiped the stain onto it.
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post #39 of 80 Old 11-10-2011, 05:52 PM
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post #40 of 80 Old 11-10-2011, 05:58 PM - Thread Starter
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Installed the polyfill batting (3 yards per enclosure):



Six coats of Minwax Wipe-On Poly:




Subs installed under my entertainment center (QSC PLX3402 amp):


Grill covers removed from my modified Pi4s and entertainment center:
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post #41 of 80 Old 11-10-2011, 08:09 PM
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Beautiful!!!


dbl

Let's all go to the lobby
....Let's all go to the lobby
........Let's all go to the lobby
............To get ourselves a treat!
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post #42 of 80 Old 11-10-2011, 08:34 PM
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I bet that sounds as good as they look, nice set up man, really first class..

My first DIY project. A dual, dual opposed setup

www.avsforum.com/avs-vb/showthread.php?t=1345494
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post #43 of 80 Old 11-10-2011, 10:02 PM
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Woooow. Nice.

My Dual 18" LLT subs 120dB down to 10hz

 

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post #44 of 80 Old 11-11-2011, 04:57 AM
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Sweet! Now you need a bigger TV.
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post #45 of 80 Old 11-11-2011, 11:35 AM
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Looking great!

Impressions?
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post #46 of 80 Old 11-11-2011, 11:36 AM
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Quote:
Originally Posted by mobeer4don View Post

Sweet! Now you need a bigger TV.

Yes. Time to step up to a projection system, Nichol.

My Dual 18" LLT subs 120dB down to 10hz

 

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post #47 of 80 Old 11-13-2011, 07:49 AM - Thread Starter
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Quote:
Originally Posted by Wrager View Post

http://www.avsforum.com/avs-vb/showthread.php?t=1372001

I joined the club too this week!

Nice. Welcome aboard!

Quote:
Originally Posted by Scott Simonian View Post

Yes. Time to step up to a projection system, Nichol.

The speakers are located in my family room. When I get around to finishing the basement, I will be doing a projector in the theater room.
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post #48 of 80 Old 11-13-2011, 08:14 AM
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Nichol-
Your DIY skills are fantastic!
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post #49 of 80 Old 11-13-2011, 10:53 AM - Thread Starter
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Quote:
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Nichol-
Your DIY skills are fantastic!

Thank you everyone for the compliments.

Here is a pic showing the WAF:
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post #50 of 80 Old 11-13-2011, 11:08 AM
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^^^^^^^

Sleek, stealthy and I'll bet sweet sounding.

Congrats

------------------------------------
Flat, Deep, Clean, Linear, and Loud
------------------------------------
Active 16.8kw, 7.3 system
(3)Seaton Cat12C up front, (4)QSC K8 sides/rears
(2)Seaton SubM-HP, (4)18" IB
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post #51 of 80 Old 11-13-2011, 11:11 AM
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An untrained eye would completely miss that you have a world class audio system there. A sleeper system. I like that.

My Dual 18" LLT subs 120dB down to 10hz

 

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post #52 of 80 Old 11-13-2011, 12:55 PM
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given the angle of the camera, if that is your seating position, you might actually experiment with putting the 4pi's upside down on top of the entertainment center. that will help lift the audio onto the screen and the upward tilt would become a downward tilt right to your seating position. with the 2242's picking up the bottom, no need for floor based bass boost for the 4pi's.

Listen. It's All Good.
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post #53 of 80 Old 11-14-2011, 03:16 PM
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Quote:
Originally Posted by nichol1997 View Post


Thank you everyone for the compliments.

Here is a pic showing the WAF:

Wow.

JSS
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post #54 of 80 Old 12-29-2011, 10:15 AM
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I love seeing new folks running the big JBL Cinema gear. I just wish my cabs looked as nice as yours nichol...all mine are oe flat black.

I've been running their gear for awhile now...I just love the effortless output the big JBL's have.

btw I'm running 4675 mains, 4670 for center and side surrounds(center channel has been modded to fit under my screen). I built a pair of matching rear on-wall surrounds each using a single 2225h 15" woofer and 2445j comp driver/horn which are the same parts used in the 4670's. I've added Selenium ST350 supertweeters to add some sparkle to the big horns.

For subs I running dual 4645b's and a 4642(with 2242 drivers) in oe cabs. From 20hz and up these subs are hard to beat in terms of sound quality and output.

Some pics(sorry for the bad quality)

[IMG][/IMG]

[IMG][/IMG]



For size scale of the front speakers...the screen is a 133" Dalite HP(lit by a JVC RS1).
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post #55 of 80 Old 12-29-2011, 10:41 AM
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Wow! Now that's my kind of HT system.

My Dual 18" LLT subs 120dB down to 10hz

 

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post #56 of 80 Old 12-29-2011, 04:28 PM - Thread Starter
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Quote:
Originally Posted by KenWH View Post

I love seeing new folks running the big JBL Cinema gear. I just wish my cabs looked as nice as yours nichol...all mine are oe flat black.

I've been running their gear for awhile now...I just love the effortless output the big JBL's have.

btw I'm running 4675 mains, 4670 for center and side surrounds(center channel has been modded to fit under my screen). I built a pair of matching rear on-wall surrounds each using a single 2225h 15" woofer and 2445j comp driver/horn which are the same parts used in the 4670's. I've added Selenium ST350 supertweeters to add some sparkle to the big horns.

For subs I running dual 4645b's and a 4642(with 2242 drivers) in oe cabs. From 20hz and up these subs are hard to beat in terms of sound quality and output.

Some pics(sorry for the bad quality)


For size scale of the front speakers...the screen is a 133" Dalite HP(lit by a JVC RS1).


Wow. That is some serious firepower!!
How do you like the 4675 compared to the 4670 in terms of sound quality?
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post #57 of 80 Old 12-29-2011, 08:48 PM
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I like the craftmanship. Very nice. I personally would have done a large slot port, or perhaps dual 6" flared ports, or a single 8" flared. In any event, I'd kill to have those things.
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post #58 of 80 Old 12-29-2011, 10:00 PM
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KenWH, Killer setup!
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post #59 of 80 Old 12-30-2011, 06:29 AM - Thread Starter
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Quote:
Originally Posted by OscarJr View Post

I like the craftmanship. Very nice. I personally would have done a large slot port, or perhaps dual 6" flared ports, or a single 8" flared. In any event, I'd kill to have those things.

Yeah, I wanted to do a larger port, something like 6" or 8" in diameter, but it would have been too long to fit inside the enclosure without doing a 90 degree turn.
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post #60 of 80 Old 12-31-2011, 12:54 PM
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Quote:
Originally Posted by nichol1997 View Post

Wow. That is some serious firepower!!
How do you like the 4675 compared to the 4670 in terms of sound quality?

All my speakers use the same 2445 compression drivers so the difference is really in the horn lenses used. I noticed a bit better imaging and fuller mids from the 75's...the 70's have a bit better high end response...kind of a trade off really. Since adding the super tweeters to each channel I'd love to run the big horns from the 75's all around if I had room.
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