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post #1 of 274 Old 05-12-2017, 10:30 AM - Thread Starter
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Theater 10.0

Yes, I got bored and wanted to try something different. I put two RE XXX 18 subs in to my wall and porting it to 8-10hz, not sure yet as I have not measured. I also built the BFM TLAH speakers and testing them in stereo right now. I really like them as it combines two of my favorite so far, the M&K S-5000 and DR-250. I have to build 7 more to complete the room. The port was designed by LTD02 and is massive for my wall. I can fit two more XXX 18s if I need them but I will test to see.


Taking apart the wall






Building it back up, sealing it, and better bracing





The port





RE XXX 18


























TLAH























More to come!

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post #2 of 274 Old 05-12-2017, 02:14 PM
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Very interesting project MK. This is an IB take off with the XXX 18's. You also look to be doing new mains that should give good vertical coverage for a massive front stage. Keep the pic's coming and keep push'N', lol.
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post #3 of 274 Old 05-12-2017, 03:43 PM
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What did you used to have in the front wall? What subs?

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post #4 of 274 Old 05-12-2017, 06:46 PM - Thread Starter
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I had 8 SI 18-HTs. It will be pretty impressive if it comes very close. The newly designed port has yet to be tested.
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post #5 of 274 Old 05-13-2017, 11:37 AM
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Quote:
Originally Posted by MKtheater View Post
I had 8 SI 18-HTs. It will be pretty impressive if it comes very close. The newly designed port has yet to be tested.
Can I ask why you moved to 2 XXX18s if you think this would possibly be a lateral move?

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post #6 of 274 Old 05-13-2017, 02:09 PM - Thread Starter
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Always wanted to try them and I have boxes or a wall perfect for them. It frees up lots of room.
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post #7 of 274 Old 05-13-2017, 02:49 PM - Thread Starter
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My intentions are to add 2 more later when I get bored. The real project are the speakers.
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post #8 of 274 Old 05-13-2017, 03:06 PM
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What are the white strips inside the speakers?
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post #9 of 274 Old 05-13-2017, 03:17 PM - Thread Starter
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Rubber gasket, helps keep air tight.
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post #10 of 274 Old 05-13-2017, 05:05 PM
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What xo are you planning? I'm guessing the 60-100hz range will be the weak spot for the xxx. Haven't read much about the TLAH, how low do they go?

Did you consider the TLAH pro? Seems more your size, lol.
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post #11 of 274 Old 05-13-2017, 05:44 PM
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Nice MK. I saw you post something about the TLAH on BFMs forum. Can't wait to get some more impressions of the TLAHs and subs!

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post #12 of 274 Old 05-13-2017, 05:52 PM - Thread Starter
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I have not measured anything yet. I usually crossover to where the response is smoothest at the LP, then tweak from there. They can go to 80hz. The XXX can play 80hz just fine and I have a small room. So far during loud music the subs sound the same as before with 12 drivers. Remember I never could crank the old system as bass is concerned. I know Dave Matthews Bluray sounds excellent and nothing lacking in bass, same goes for other cd and Spotify sources. When I get at least a 5.1 system going then I can compare the bass movies I love. If it lacks the goal is adding two more XXX 18s if need be.
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post #13 of 274 Old 05-13-2017, 05:54 PM - Thread Starter
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I am building TLAH for the soft dome rather than piezos. Do the TLAH pro use soft domes?
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post #14 of 274 Old 05-13-2017, 06:08 PM
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Not sure what the pro version uses. I'm sure you don't need the spl, but they do dig down to 50hz according to the website.
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post #15 of 274 Old 05-13-2017, 06:11 PM
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Are those towers going to stay open in the back.?
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post #16 of 274 Old 05-13-2017, 07:13 PM - Thread Starter
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No, I sealed them as designed. They are ported at the top.
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post #17 of 274 Old 05-13-2017, 09:55 PM
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Quote:
Originally Posted by MKtheater View Post
I am building TLAH for the soft dome rather than piezos. Do the TLAH pro use soft domes?
TLAH Pro uses piezos.
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post #18 of 274 Old 05-13-2017, 10:00 PM
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I would not change soft dome drivers if you already have them. Compression drivers would lead to increased efficiency and maybe more controlled directivity. But, the room is not large and these may be mute factors if you don't need them. Room consideration can't be underscored. That port is going to work out two ways. It will deliver a ton of air and hit you in the face with a lot of direct TR.. The other way is that is will keep port velocity low and the room won't have the wind tunnel effect but, will deliver a severe PR and indirect TR. Either way it should be great. Keep us updated with your progress. You may be into a new dimension of HT from what most of us are doing.
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post #19 of 274 Old 05-13-2017, 10:58 PM
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See kids. This is why you don't use butter knives to cut plywood. Just Kidding MK.
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post #20 of 274 Old 05-14-2017, 06:06 AM - Thread Starter
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Actually this is the first time I did everything myself. I am not that handy and decided to take this on. My friends always did the building for me and I would either pay them or give them speakers and subs. This is the first time I have that DIY reward feeling but only because they sound great. I don't think they will win any spl contests but the TLAH sound really clear and dynamic without any upper end grit(harshness). They are ranked 1 in the smooth category. They can play reference peaks in my room with no problems. I think they might play the same loudness as the Berries but not sure. I think people went away from the XXX due to the DB numbers but that box was much too small for these. They require really big boxes and if you look at the XXX ported you can see it come alive. So I built 2 so far. I bet these two are equal to 6 SIs but I won't know for sure yet. I forgot how easy it was to wire up two subs after all my arrays. Then I wired the TLAH and it came right back.
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post #21 of 274 Old 05-14-2017, 06:14 AM - Thread Starter
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I would not change soft dome drivers if you already have them. Compression drivers would lead to increased efficiency and maybe more controlled directivity. But, the room is not large and these may be mute factors if you don't need them. Room consideration can't be underscored. That port is going to work out two ways. It will deliver a ton of air and hit you in the face with a lot of direct TR.. The other way is that is will keep port velocity low and the room won't have the wind tunnel effect but, will deliver a severe PR and indirect TR. Either way it should be great. Keep us updated with your progress. You may be into a new dimension of HT from what most of us are doing.

I have always liked soft domes and ribbons(planars) for music but always lacked dynamics for HT. MY M&K S-5000s were dynamic enough and sound great, but lacked a little detail and that big sound of some of the others. I was hoping the TLAH would combine the two. I remember when I compared the Triad in room gold LCR(old version), the S-5000, and the DR-200 and said the triad played a piano softest, M&K in the middle, and the DR-200 sound like someone was pressing the keys hard. Everything else about the DR-200 was better than the rest so I wanted that softer piano strike like the M&Ks.


I also remember when Archaea was comparing speakers and mentioned the LOTR:FOTR scene where the Hobbit knocked over the bucket of chains and fell to wake up the Goblins. He said the JTR sound like chains. I use that scene as well and my JTR 888LP did play that scene very nicely compared to the DR-200 which was harder sounding. The TLAH is the bridge between them IMHO. I am not sure on their absolute volume though. I am trying the brand new outlaw 7140 made by ATI. This amp is incredible with a zero noise floor with these 99 dB sensitive speakers.
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post #22 of 274 Old 05-14-2017, 03:04 PM
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You have had quite a variety of system components, i'll be interested in your impression of your new system.

As of Feb 20th still looking for a Marantz SR7010
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post #23 of 274 Old 05-14-2017, 05:31 PM - Thread Starter
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They sound great for music, not sure about theater because I have been watching in two channel which compresses the dynamics. They are very clear with a big sound stage. They are not spl blasters but enough to hit reference in my room easily. They are 99 dB sensitive. I use a Marantz 7702 and outlaw amps(brand new). I want to measure them and the subs very soon. My computer with all my saved data is toast so I have to configure a new computer. I have a UMIK about the response below 10hz is terrible.
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post #24 of 274 Old 05-14-2017, 07:42 PM
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Quote:
Originally Posted by MKtheater View Post
They sound great for music, not sure about theater because I have been watching in two channel which compresses the dynamics. They are very clear with a big sound stage. They are not spl blasters but enough to hit reference in my room easily. They are 99 dB sensitive. I use a Marantz 7702 and outlaw amps(brand new). I want to measure them and the subs very soon. My computer with all my saved data is toast so I have to configure a new computer. I have a UMIK about the response below 10hz is terrible.
Can you list your previous speakers, just to get an idea of where you've been ?

When you say, they are not Spl monsters, is Bill's design specific to one mid woof and tweeter, or can you drop in what you want as long as they fit a certain parameter ?

Are you doing Atmos yet, what speakers and amp if you are ? Even the older Outlaws are pretty quiet amps....

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post #25 of 274 Old 05-14-2017, 08:27 PM - Thread Starter
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Yes I had a 7.2.4 system previously. If you change parts I would think the crossover would change as well. I have owned so many speakers, amps, processors, subs, etc it is silly. I have changed whole systems 10 times and why titled as so. I have tried stuff in between as well.
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post #26 of 274 Old 05-16-2017, 04:50 PM
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Wow, I've been gone a few years and MKtheater is still at it when I get back.
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post #27 of 274 Old 05-16-2017, 06:00 PM - Thread Starter
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It has been a very long time for me. Over a year since I changed anything.
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post #28 of 274 Old 05-16-2017, 07:34 PM
 
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It has been a very long time for me. Over a year since I changed anything.
My TLAH have been in use since 2004.
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post #29 of 274 Old 05-16-2017, 07:45 PM
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It has been a very long time for me. Over a year since I changed anything.
Are you going to admit to your sins in the Berry thread?
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post #30 of 274 Old 05-16-2017, 08:28 PM - Thread Starter
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Still the best system in my room. All matching makes a huge difference. I have not heard a full TLAH yet.
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