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Build log: DIY rotary sub for contemporary HT in 100 year old house? - Page 41

post #1201 of 1242
Quote:
Originally Posted by AndreasMergner View Post

Cuzed2: I have a "typical" soundproofed room with double walls, FG in both walls, DD, GG, decoupled. I then have a drywalled room. Inside that I have the FG absorption and then fabric panels over the FG. I don't have an inspected room, so don't know about codes. My room is only 80" tall, so I think that in itself doesn't allow me to be in code!
The in walls are called TLAH from BFM (Bill Fitzmaurice). He has a bunch of plans online along with the THT that I built for the sub (it is amazing). Actually, both the TLAHs and the THT are amazing. I use the TLAHs for the fronts AND surrounds. They are line arrays with a transmission like to make them go lower. The fronts have more speakers than the surrounds. I made the fronts for only $30 each and they can go incredibly loud and still have more headroom. They sound great too and my guests agree (unless they are being overly polite). They are only 4.5" thick. The line arrays help with untreated ceilings and floors, which I think is most rooms since the sound waves end up more horizontal (compressed in the vertical direction.)
I have a little build thread here: http://www.avsforum.com/t/1252714/bfm-tlah-construction-with-cnc-router-help

Andreas,
Just spent some time on your speaker build thread - very nice.
Then went to BFM's site. I need to move along before I start scratching this DIY itch smile.gif
post #1202 of 1242
Thread Starter 
Quote:
Originally Posted by Ted White View Post

Andreas' house looks like the R&D department at Shield HQ

Shhhhhhh....
Quote:
Originally Posted by cuzed2 View Post

Andreas,
Just spent some time on your speaker build thread - very nice.
Then went to BFM's site. I need to move along before I start scratching this DIY itch smile.gif

Thanks, they were really easy to build (TLAHs). The THT is a little more involved, but worth it. $225 or less plus only a 200 watt amp and you will get more bass above 20hz than you want. It is big though (2'x3'x3').

BFM has some great plans. I found them looking for bass guitar cabinets. Also recommended for that! Check out YouTube videos of the speakers too.

I spent less for all my speakers than some people spend on ONE speaker and I bet my system sounds much better than 90% of them. A friend of mine was very impressed and he had a $60k+ system....but it is very subjective. Now I just need a rotary, some REW and eqing work...OH AND CHAIRS!
post #1203 of 1242
Where is this speaker building thread?
post #1204 of 1242
Quote:
Originally Posted by Ted White View Post

Where is this speaker building thread?

BFM TLAH construction with CNC router help

Tim
post #1205 of 1242
Thread Starter 
Ted: You are lucky you are not on Logan's thread or else you have something funny said to you right now. ha ha The link was in two of the last 4 posts. http://www.avsforum.com/t/1252714/bfm-tlah-construction-with-cnc-router-help
post #1206 of 1242
Egads!
post #1207 of 1242
Are the videos in that thread not on youtube anymore Andreas? I'd love to see that CNC in action. smile.gif
post #1208 of 1242
Thread Starter 
Quote:
Originally Posted by aaustin View Post

Are the videos in that thread not on youtube anymore Andreas? I'd love to see that CNC in action. smile.gif

Yes, I just updated that thread. Apparently the new version of AVS messes up the Youtube videos.

My YouTube username is insaneepp if you want to look at the other few videos I have including one where my wife's belly is full of snakes. ha ha
post #1209 of 1242
Holy canole in just a few posts there is a veritable cornucopia of info. I'm suffering from info overload. That CNC machine is too cool. Those speakers are very interesting. Nicely done.

Regards,

RTROSE
post #1210 of 1242
I can't believe you built your own CNC. Simply amazing Andreas!

What software do you use to build your parts? Then I assume there is some kind of controller that tells the machine what to do?
post #1211 of 1242
Thread Starter 
Quote:
Originally Posted by RTROSE View Post

Holy canole in just a few posts there is a veritable cornucopia of info. I'm suffering from info overload. That CNC machine is too cool. Those speakers are very interesting. Nicely done.
Regards,
RTROSE

I guess this thread has been going so long that most people don't remember what happened in the beginning or even the middle! I'm pretty sure I posted pics of the CNC and the speakers before, but this thread is getting large. smile.gif
Quote:
Originally Posted by aaustin View Post

I can't believe you built your own CNC. Simply amazing Andreas!
What software do you use to build your parts? Then I assume there is some kind of controller that tells the machine what to do?

The CNC was a huge project. Heck, it weighs 600lbs+! I use some custom code I wrote for TurboCAD and Rhino depending on the project/part, plus my CAM software is OneCNC. My controller is Mach3.

Here's a video I like of the fronts (not mine):
post #1212 of 1242
That is one of the coolest DIY things I have ever seen.

I had the pleasure of watching one of these babies in action the other day. biggrin.gif



It was awesome, but I think having a homemade one in your garage is even cooler.

By the way, that RC plane looks very cool as well!
post #1213 of 1242
Quote:
Originally Posted by AndreasMergner View Post

I finally have finished a, er, sort-of HT related project. When I put the steel beam in I probably put it in 1/16" higher than the wood beam it replaced. Because of that, in the kitchen above I had a bunch of cracked tiles. I have been working to replace those tiles for the last few weeks and can now concentrate mostly on the HT. I think. Maybe. tongue.gif
The house came with tan tiles, but we put these down. Note the 26 degree angle.

Those tiles look great at that angle. For some reason it makes the kitchen look "fun"!
post #1214 of 1242
Thread Starter 
Quote:
Originally Posted by aaustin View Post

It was awesome, but I think having a homemade one in your garage is even cooler.
By the way, that RC plane looks very cool as well!

Thanks! You should come by and see it sometime after I get the wiring put together again.
Quote:
Originally Posted by Seegs108 View Post

Those tiles look great at that angle. For some reason it makes the kitchen look "fun"!

Thanks! Whimsical even?

I upholstered the back of the chair a couple of days ago. After sitting on it for half an hour, I decided to take out the lumbar support. It felt much better afterward. I still think I might go for some softer cushions. I also am still not sure of the headrest. I feel like I MUST have a pillow under my head when I recline...but it's not needed when I am upright. I will do some more sitting research. wink.gif

I finally put my door seals back after painting the jambs and attempted to put the handles on. I have decided to go with just a single door. I don't know if I will go with the industrial handles since they don't seem to open the door latch reliably. I had to call my wife on her cell phone to rescue me! Twice. tongue.gif

This weekend I had some time for myself. I brewed some Hefeweizen and a 5lb wheel of Raclette is aging in the cheese "cave". This is it before final pressing.

post #1215 of 1242
Quote:
Originally Posted by AndreasMergner View Post

Thanks! You should come by and see it sometime after I get the wiring put together again.

Awesome! I may just have to take you up on that. biggrin.gif
post #1216 of 1242
Thread Starter 
Hey David,

I think the new version of AVS broke all the links to my photos. They handle the images differently now for some reason. I can fix them....or any others that people want.

Yes, I took out the wooden beam under half my house and put a steel I beam up into the joist space which netted me one less pole and ~8" extra height. It was very worth it, even if I did it all by myself.

Ha ha, yes, I like to go for the outrageous projects. I figure every complicated task can be broken down into smaller easily manageable tasks. Now I only had more time to do them all I would be home free!

I checked out your build thread. I like how your theater came out and the price is right! I will likely be using Spandex for my screen soon, although I prefer a different one than the silver. I tested a bunch against Enlightor 4k and it is very very similar and probably 1/20 the price.
post #1217 of 1242
Thread Starter 
I still have yet to order the spandex since I don't want it hanging around while I'm doing other things first. I actually like the Center Stage best - it has a lot of pop, but the weave is apparent to me.

The silver spandex doesn't give me a true white. It drives me nuts! My pj is very bright but I also have a large screen - I usually use Eco mode anyway since it is quieter.
post #1218 of 1242
Thread Starter 
Since the THT works so well in my room, I'm making an Autotuba for my car. It is a (much) smaller folded horn subwoofer. It will put out a lot of very clean bass with very little power. I don't think I will need an amp -- just connect it to where the OEM sub is powered. Oh, and it's cheap since it uses a $40 8" woofer. I just have to wait for the glue to cure and I can mount the woofer and wire it up.

Here is the inside.

post #1219 of 1242
Looks very cool Andreas!
post #1220 of 1242
Cool! That looks really neat! Very slick. Nicely done.

Regards,

RTROSE
post #1221 of 1242
Thread Starter 
Thanks guys! It's not my design -- it's from billfitzmaurice.com The guy knows his stuff. You can also check the AVS DIY speaker forum for build threads for the Autotuba, the THT and a whole lot of other stuff. It will save you money and get you a higher performing system (especially when it comes to bass).

I have it all put together now. I just have to put it in my car tomorrow. I need to find the right wires to connect it to! I plan to make it removable. I have a 2003 Audi A6 wagon that is my kidmobile so I have plenty of room in the back for it. I can't wait to hear children songs with some BASS! ha ha ha smile.gif
post #1222 of 1242
Thread Starter 
I put it in my car. It had a 2 ohm speaker in it that I took out and I measured volts to the speaker peaking at about 0.6 V at half volume. I have an 4 ohm speaker so at that level I am getting 0.09 watts. What the heck? It is about 4 times more sensitive at the same voltage, however, so it sounds good. I didn't want to measure the voltage at full volume since it started shaking the mirror and I didn't want to annoy the neighbors. ...but I need to get to 2.83V just to hit 1 watt. I need an amp to get to full/ridiculous volume, but I'll wait a couple days before I make a decision.
post #1223 of 1242
I thought I heard something on my way to work this morning... smile.gif
post #1224 of 1242
Thread Starter 
To me it doesn't quite sound right or good in the whole system. It is nowhere near the sound quality of the Ht. So I have started contemplated going down the slippery slope of getting a new head unit and sub amp. I'll be able to set a high pass for the front and rear door speakers and get rid of their mud. I will also be able to set a high and low pass for the sub plus Bluetooth, integration with a bunch of sources, etc. I think it will be worth it.

Don't tell anyone, but I'm going to do some work on the rotary this weekend.
post #1225 of 1242
Quote:
Originally Posted by AndreasMergner View Post

T
Don't tell anyone, but I'm going to do some work on the rotary this weekend.

eek.gif
post #1226 of 1242
Thread Starter 
Three words for you to ponder:

blue cheese popcorn
post #1227 of 1242
Quote:
Originally Posted by AndreasMergner View Post

Three words for you to ponder:
blue cheese popcorn

Just one pre-ponder question:
Is Rotary Sub-woofer; 2 or 3 words ????
post #1228 of 1242
Thread Starter 
You are too cruel. Ha ha

I did a bunch of electrical work in the basement this weekend. I pulled over a circuit for the rotary...does that count? Seriously, after I take care of this little dictator of a toddler every day, pretty much all day, I can't help but take it easy for a couple days when I get my monthly reprieve (my wife and the little one go visit the in-laws). eek.gif It is either that or go nuts! tongue.gif ...or more nuts, depending how you look at it!

PS - that blue cheese popcorn is so freakin' good! It may just change your world.
post #1229 of 1242
Ok you get +1 on the circuit pull for the RS smile.gif

As for kids and being or becoming nuts:
Ask me again next year when my youngest is away for college wink.gif. wink.gif

Blue cheese popcorn ?
Sign me up!!
post #1230 of 1242
I don't think your kids have to be home to drive you nuts. I think it comes in the job description.

As for the blue cheese popcorn? Well I'm not a blue cheese fan, but if you have any buffalo sauce popcorn I'm in.

Regarding the car audio slippery slope, I remember my BIL having a GMC S-15 that was worth about 800 bucks with about 3k worth of audio in it. Ahhhhh good times.

Regards,

RTROSE
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