Just another sealed SI18HT build (and a hint of 1099's) - AVS Forum
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Old 08-13-2014, 09:48 AM - Thread Starter
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Just another sealed SI18HT build (and a hint of 1099's)

Nothing special here. Plenty of builds on AVS. I'm terrible at documenting and doing proper build threads, but I did have a few pics so thought I'd share.

starting to build some boxes. The had to set up the canopy to save me from the desert sun (garage had too much stuff to build inside :P)


add some bracing using cuttoff scrap


Sanded, routed all edges, bondo, sanded, routed and finally a couple coats of duratex. So dry and hot here, that I could start the second coat on by the time I finished with the first (very dry to the touch). Only took about 24 hours before it it cured hard.


that hole back there is for a speakon circular terminal.


I was lazy so I stuffed by shoving in three cheap pillows from walmart. Kept the cover on to contain the poly.


Subs in place. Don't mind the chaos of the equipment rack. I just shoved things in there as I was making room. I'm actually making a smaller rack. That one was when I had a ton of equipment to house.
These subs replace the tumult/PR in the corner. Also a beast. I tested the speakers on the Ender's Game rocket launch. I forgot to turn them down (they were +12 db hot) and shook the whole house. It was lovely :-D Wife a few rooms down had a sudden surprise :P


Oh look, a hint of 1099's! Just gluing in some scrap wood for screws to bite into a bit better. I didn't double baffle. Since this pic, I've added more foam (I just had the pink stuff sitting around so thought I'd use it).
XO's are almost all built. These will be finished tonight or tomorrow night. We'll see how ambitious I get. More pics later with everything in place.



That's all. As I said, nothing to crazy. Just a few pics. More to come tonight or tomorrow as the 1099's get finished.
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Old 08-13-2014, 09:50 AM
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Hell yeah! You make it look so easy, Anthony.

Great work.

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Old 08-13-2014, 11:46 AM
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And to the 1099 club! Looks great so far!
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Old 08-13-2014, 11:54 AM
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Let us know how the1099 sound . Your opinion holds some weight.
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Old 08-13-2014, 11:57 AM - Thread Starter
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Will do! The 1099's won't touch the SQ of the Egos (Focal Utopia + Hiquphon with solid XO), but the Egos are way less sensitive and can't touch the dynamics or dispersion of the 1099s. Will be a fun comparison!
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Old 08-13-2014, 02:53 PM
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Are you going to do any wood trim on the 1099s, or leave them just duratex coated?
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Old 08-13-2014, 02:58 PM - Thread Starter
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Quote:
Originally Posted by eydsamoht View Post
Are you going to do any wood trim on the 1099s, or leave them just duratex coated?

black. matching the subs (subs will serve as speaker stands). The wood trim sub has other matching wood trim speakers, but that was originally a stereo set and didn't need to visually blend in.
http://webfiles.uci.edu/algomez/Audio/Usher4.jpg
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Old 08-13-2014, 04:06 PM
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Nice job on the subs! I just got a pair of these in yesterday and plan to get started on them this weekend.

Looking forward to reading your impressions of the 1099s as well.

Epson Home Cinema 3010 Projector____Paradigm 9SE MK II Main LR
Yamaha RX-V667 AVR_______________Paradigm CC-270 V.3 Center
Emotiva UPA-5 Amplifier______________Dual Stereo Integrity 18" Infinite Baffle
Sony BDP-570 Blu Ray_______________DIY Sound Group Volt 10
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Old 08-14-2014, 10:32 AM - Thread Starter
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I forgot how much I hated building up large XOs. If I'm lucky, I'll finish wiring them up tonight....probably not that lucky.
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Old 08-14-2014, 10:57 AM
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soon
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My Build Thread
Equipment Speakers:
3x 1099's for LCR duty
4x Fusion 8's for surround duty
8x subs: 4x FTW21's and 4x SI18's
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Old 08-14-2014, 03:04 PM
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Quote:
Originally Posted by Anthony_Gomez View Post
Nothing special here. Plenty of builds on AVS. I'm terrible at documenting and doing proper build threads, but I did have a few pics so thought I'd share.

Nice work!
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Old 08-14-2014, 11:10 PM
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nice work. they look right at home!

Listen. It's All Good.
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Old 08-18-2014, 07:28 AM - Thread Starter
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finally finished with the XOs. A long and tedious process. Double checking and I did catch one 2 for 3 ohm resister switch, but that's an easy fix.



Mounted them in the enclosures, along with more foam


wired up drivers, tested, then fastened all the drivers once I confirmed that everything sounded right.
Put the L/R into the main room using the SI's as stands. Intentionally oriented with CD on bottom of mids to bring the tweeter to the right listening height (you can see the old speakers still in scene on the walls). I need to do some moding to my TV stand to get the center to fit. I'm replacing it later on (along with the TV which will be wall mounted) so I don't worry about this part.



I need to run to work now, but will post up some listening impressions later on.
also need to sell off/trade old gear to fund a couple Volt-10 surrounds :-D
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Old 08-18-2014, 02:40 PM - Thread Starter
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so I thought I'd leave some brief listening impressions of the L/R + subs setup.
In comparison, I was previously running the same subs with the small monitors you also see in the last photo.


I played through a wide ranged of music such as: Ellie Goulding, Ludovico Einaudi, Gnarls Barkley, Aerosmith, Annie Lennox and Lana Del Ray, and a bunch of pop club/dance music.
Also watched a couple movies: Ender's Game, Serenity. Then regular broadcast TV and streaming Louis CK.

First the pluses:
Dynamics are huge. I've built and listened to tons of inefficient speakers. I'm talking 84-86db 1w/m. While I can play them loud, then do run into compression. The 1099's are effortless in this regard. I can keep turning them up and they just get louder (as they should).
Sub integration is seamless. I'm running the classic 80 hz. Stereo subs, independently EQ'd also helps here.
Mid bass is strong, but not overwhelming.
Room control is better here than with the TMs, and that's expected vs MTMs which are superior here by design.
The sweet spot is wide enough that I didn't miss the center channel while watching movies. I wasn't sitting dead center either (2 person couch)
Vocals seemed pretty accurate. No standout squawk in the midrange.

The minuses
Size. DUH! These speakers are huge. But I'm ok with that. Wife is ok with that. I just still need to get used to these massive beasts in small room.
Harsher. The upper end can't touch the small 2-ways (Egos). The Egos were simply silky smooth with that "listen to all day long" non-fatiguing sound. Hiquphones were magical in this area. The 1099's are rougher here. I don't think it is a padding issue, just the difference between a CD and a small dome. It's not that the 1099s sound bad in the upper end, but rather that I've been spoiled for so long. I probably would't want the 1099s for a music only system without exploring how to tame the upper end (if even possible). ...but these are for HT and for that, I'm pretty impressed.

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Old 08-24-2014, 07:48 AM - Thread Starter
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Finally got the center in place. Putting in a lot of listening time. Definitely enjoying these. Worth every penny (and then some).
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Old 08-24-2014, 08:33 AM
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Looks very nice and congrats!
enjoy them now...

My Build Thread
Equipment Speakers:
3x 1099's for LCR duty
4x Fusion 8's for surround duty
8x subs: 4x FTW21's and 4x SI18's
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Old 08-24-2014, 12:26 PM
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I love it. I should try turning my 1099's upside-down

Sent from my Nexus 5 using Tapatalk
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Old 08-24-2014, 12:40 PM - Thread Starter
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I love it. I should try turning my 1099's upside-down

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it brought the CD to the right ear level :-D
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Old 08-24-2014, 03:20 PM
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Looks great Anthony! Nice job! ☺

Your post with the pluses and minuses was well done also. I enjoyed reading that.
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