The Undertaker- Two Nearfield SI HST-18's - AVS Forum | Home Theater Discussions And Reviews
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post #1 of 397 Old 08-23-2014, 11:44 AM - Thread Starter
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The Undertaker- Two Nearfield SI HST-18's

BUT WHAT COULD ALL THAT WOOD BE FOR?

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post #2 of 397 Old 08-23-2014, 11:47 AM - Thread Starter
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But what IS that?!?!?

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post #3 of 397 Old 08-23-2014, 11:47 AM
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"It's for YOU! Happy anniversary"
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post #4 of 397 Old 08-23-2014, 12:43 PM
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Quote:
Originally Posted by beastaudio View Post
BUT WHAT COULD ALL THAT WOOD BE FOR?

That's what she said!
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post #5 of 397 Old 08-23-2014, 01:18 PM - Thread Starter
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He's got jokes!

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post #6 of 397 Old 08-23-2014, 01:51 PM
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awww... anniversary wood... how sweet.

We never grow until we're pushed outside the boundaries we are comfortable within...
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post #7 of 397 Old 08-23-2014, 09:28 PM - Thread Starter
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You guys are joking now. You won't be after a fee more pics
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post #8 of 397 Old 08-23-2014, 09:37 PM
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what, that's like 6 to 8 sheets of ply?? Can't really tell exactly how many.
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post #9 of 397 Old 08-24-2014, 04:55 AM
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Brandon, I thought you already have an empty 15cf sealed box for the SI HS24 driver? you are going dual HS24?
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post #10 of 397 Old 08-24-2014, 05:13 AM
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Hmmmm.......I have a guess.
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post #11 of 397 Old 08-24-2014, 05:14 AM
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Probably will be pretty epic...
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post #12 of 397 Old 08-24-2014, 05:22 AM
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What is it Beast... Not cool leaving everyone in the dark bro...

You get a sub named after you finally????

Bout time.
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post #13 of 397 Old 08-24-2014, 06:25 AM
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post #14 of 397 Old 08-24-2014, 06:48 AM
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please tell me you are doing this!!!!!!!!!!!

Quote:
There is no reason you could not make a vented alignment for this driver the size of a walk in closet, with a 12" sewer pipe port tuned down near the resonance of the Earth.

it looks like the 24. but im not sure, basket looks slightly different. is it the other version ?

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post #15 of 397 Old 08-24-2014, 06:56 AM
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Quote:
Originally Posted by Gorilla83 View Post
Fs=17hz
Qts=.32
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post #16 of 397 Old 08-24-2014, 07:34 AM
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I havent a clue.

Sundown looking spider and motor. 6 spoke basket. Is the SI HST coming out again?
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post #17 of 397 Old 08-24-2014, 07:39 AM
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My Build Thread
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post #18 of 397 Old 08-24-2014, 07:41 AM
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Just waiting for the SI24HST :P
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post #19 of 397 Old 08-24-2014, 07:52 AM
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Quote:
Originally Posted by chrapladm View Post
I havent a clue.

Sundown looking spider and motor. 6 spoke basket. Is the SI HST coming out again?
im thinking thats the SI24 with the xbl^2 motor
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post #20 of 397 Old 08-24-2014, 08:21 AM
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The spacer look a lot different then the one on the current 24. BUT it still very well could be.
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post #21 of 397 Old 08-24-2014, 08:38 AM - Thread Starter
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Quote:
Originally Posted by WereWolf84 View Post
Brandon, I thought you already have an empty 15cf sealed box for the SI HS24 driver? you are going dual HS24?
It is closer to 17 cuft, and it just went off to Josh Ricci so he can get his testing done on the 24

Quote:
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please tell me you are doing this!!!!!!!!!!!
Already did a massive tuned ported IB. Been there done that....Haha Great guessing though all around. I'd like you all to welcome back the HST-18. Nick will now officially be producing these again at a price you guys I think will really like. Nick will be shipping this to the CONUS for $589. Some of the T/S Specs have changed, like the Fs of 17hz as Rilla pointed out, as well as:

Qts: 0.32
Vas: 267 Litres
Mms: 538 g
Cms: 145

What all this means basically is this bad boy will play nicely all the way down to about the smallest box you could really fit it in. 3 cuft will work quite nicely
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post #22 of 397 Old 08-24-2014, 08:39 AM - Thread Starter
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post #23 of 397 Old 08-24-2014, 08:44 AM
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post #24 of 397 Old 08-24-2014, 08:56 AM
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also awesome that you got your box sent out to Josh for measurements on the 24
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post #25 of 397 Old 08-24-2014, 09:56 AM
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Told ya....

Might have to grab one of these. Any idea when they will be available?
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post #26 of 397 Old 08-24-2014, 11:01 AM
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Talk to me beast! How was the ported IB and compare it to IB or sealed for me, please?
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post #27 of 397 Old 08-24-2014, 11:13 AM
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James just found the solution to his front stage.

Nice grab, B! Can't wait to see what you do with em.

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

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post #28 of 397 Old 08-24-2014, 12:22 PM - Thread Starter
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Quote:
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Talk to me beast! How was the ported IB and compare it to IB or sealed for me, please?
Ported IB was pretty awesome for the low stuff, can't comment on anything above 40hz as that is as far as I really used. I meant to try different port lengths and sealed IB with measurements, but I was literally starting to rip the staircase above the IB off the concrete and chose to cut my loses before any more damage could be done. I could knock things off the wall upstairs and rattle dishes almost out of the cabinets if the cabinet doors were somehow left open. It was pretty intense. I managed to gain about 12dB at 10hz adding it to the sealed 18's up front though, and that was with dual 12" diameter ports about a foot long. I had another port built out for 5 inch length, but never installed it as we pulled one of the RE's at the g2g, and ended up getting offers on both of them to sell. If I didn't have the other 8 up front (soon to be 10) then I would have kept it around and played with it a little more, but it was truly unnecessary. Still was quite the fun little project.
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post #29 of 397 Old 08-24-2014, 12:23 PM - Thread Starter
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Quote:
Originally Posted by Scott Simonian View Post
James just found the solution to his front stage.

Nice grab, B! Can't wait to see what you do with em.
I am most interested with nearfield, so it will likely be sealed, as looking at things right now, the preliminary suggestion would be around 8 cuft for a good 14-15hz tuning I think. With duals, I would need 16 cuft or so and I just don't have that kind of room in between rows.

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post #30 of 397 Old 08-24-2014, 06:27 PM
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Thanks beast!
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