The 'I can't believe you want the largest room in the house' HT build.1 - Page 22 - AVS Forum
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post #631 of 1009 Old 01-18-2012, 04:05 AM - Thread Starter
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If I reply 'what's a filter and how do I find them in the menu structure' that should answer your question. Went looking for a serial cable for my pc. Have downloaded the Behringer remote software but also need to update the firmware on the actual eq. I know that these subs are nowhere near where they can be but the power and tactile response even now is something I am not used to. Have only owned one sub before, which was an Energy 100 watt RMS 10 inch sealed box. Oh, and a small Tannoy sub that came with a satellite speaker package. The Danleys are a whole new ballgame. And an absolute bargain for the money. Amazing!

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post #632 of 1009 Old 01-21-2012, 04:09 AM - Thread Starter
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Some more progress to report. With some pictures for proof! A mate of mine from school days who has helped me out with some projects in the past hung the door for me. This is one job that I knew that I would suck at as well as probably botch badly. After seeing the amount of work involved in it, I was kind of glad that he looked after this part.

Firstly, the original solid core maple door had previously been removed when I added the two layers of flooring, boosting the height by just over 1 1/2 inches. There was plenty of Green Glue sandwiched in that floor as well! Not to mention about 8 tubes of acoustic caulk around the boundaries. Because of the double drywall, the original door jamb and architraves needed to be changed out. The new door jamb is about 8 inches thick and I used some 1 inch MDF, which was about the most economical route. Still cost almost $100 for the sheet. The remainder was used to second-skin the door. More on that later.





Spent another $350.00 on lumber and hardware for this part of the project and also to complete some handrails on my rear deck, soon to be a salubrious alfresco area! Sure will be glad when my regular trips to the shops slow down a little! The money tree is losing branches...fast! As the door was to be pretty thick, needed to buy some 'wide butt' hinges. I thought that the name referred to the owner but apparently they are required for thicker doors, not just for the more portly posteriors among us...

Next, onto the door. Already had a solid maple door, but wanted to add to the thickness to improve isolation out of the room. Had plenty of Green Glue in the buckets and as my mate had never used the product before, he was interested to see how the stuff went. Firstly, in the hollowed out parts of the door (carved areas) I installed a thin layer of acoustic batt. Hope that this will stop any resonance issues with the door. Once that had been done, it was time to start Green Gluing. then we screwed the two layers together for a door that is now about 2 1/2 inches thick...and very heavy. Though the Green Glue hasn't cured yet and I am still to fit my drop down acoustic seal and carpet, the door makes a Major Improvement in isolating. Here are some photos of the progress...









Door hung and the floor patched up in the doorway ready for carpet.





Next job was to mount up my temporary 2.4:1 screen. Made this from some lengths of 2x1 maple with 2 centre supports and plenty of bracing. I then did a quick job trimming the large white piece of fabric that I had and stapling it to the frame. This will be my temp screen until the rest of the room is done. That way, I won't damage the screen during work.. The screen will be surrounded by 3x1 maple lengths. Fabricmate track will be mounted to these 3x1 strips and butt up against the white screen. I will then stretch velvet across the whole stage wall. Hopefully it will work OK. I must say, having the screen up is a major improvement over the large fabric sheet. Just feels better watching a screen with defined boundaries.



Last job was to install the furring strips around the split airconditioner.



I am getting close to the final push on the construction side. Next big ticket items are fabric and carpet. I think I am going to put columns off until later. Will wire the wall sconce lights flush with the wall and also leave the surrounds exposed. See how I like it. I can always add the columns later if I find I want them.

Have a little more work planned tomorrow and then back into the swing of things on Monday. Have a great weekend all.

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post #633 of 1009 Old 01-21-2012, 04:45 AM
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Awesome pics. What are you going to do around the A/C unit?

Do you buy 32mm MDF or 25mm?

Bunnings sells 25mm MDF for $60, roughly, a sheet and $89 for the 32mm sheets.

I was going to use some of the 25mm myself for my 3 way speaker in the winter.
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post #634 of 1009 Old 01-21-2012, 04:49 AM
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Thanks for the photos Greg! Looks like you know exactly what you're doing.

I wish the screen frame wasn't cutting right through your left and right speakers. Don't suppose you have an easy solution? aside from shrinking the screen...and I'm not suggesting that!

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post #635 of 1009 Old 01-21-2012, 12:22 PM - Thread Starter
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Quote:
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Awesome pics. What are you going to do around the A/C unit?

Do you buy 32mm MDF or 25mm?

Bunnings sells 25mm MDF for $60, roughly, a sheet and $89 for the 32mm sheets.

I was going to use some of the 25mm myself for my 3 way speaker in the winter.

Hi David,
The furring strips around the air conditioner unit are for Fabricmate track. The ceiling will be covered in black fabric. I had to leave a small gap around the top of the ac for access to the filters as well as for air flow into the unit. Hoping this won't be too noticeable with the black painted ceiling.

I did check my local Bunnings but they did not have any of the thicker MDF. Used a local company who were pretty good on pricing for the other timbers. Looks like I paid too much for the MDF. It is 25mm thick. If I could find 32mm I would have got that for the door for the extra mass it would offer.

How are your plans going?

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post #636 of 1009 Old 01-21-2012, 12:33 PM - Thread Starter
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Thanks for the photos Greg! Looks like you know exactly what you're doing.

I wish the screen frame wasn't cutting right through your left and right speakers. Don't suppose you have an easy solution? aside from shrinking the screen...and I'm not suggesting that!

Hey there Tony. Well I can't take too much credit on the hanging of the door. I am starting to get the hang of the other stuff. It's been a 'learning experience'. I think the best DIY solution for me is to work to a level I am comfortable with and get the other stuff done by people who know what they are doing. In terms of doors, that is someone other than me.

One of the reasons that I chose the 145 inch screen size rather than slightly smaller is that it allows the speakers to just squeeze inside the screen frame. Those Ikea tables will be replaced with speaker stands or shelving which is narrower than the tables. The speakers just fit (by my calculations anyways). Hopefully it will work out ok. Those Danleys are so big! Just as well I can hide them behind the screen. I also need to paint the frame timbers black and the timber surrounds of the minimalist frame so that they don't show through the screen and fabric.
Thanks for stopping by mate.
Greg

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post #637 of 1009 Old 01-21-2012, 03:16 PM
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YAh my local Bunnings had the MDF in thicker sizes and no one had a better price.

As far as my HT that will be in the dreaming stages for a little longer. Then I will start a very slow, Ellil like, thread.
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post #638 of 1009 Old 01-21-2012, 04:25 PM
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Quote:
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Then I will start a very slow, Ellil like, thread.



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YAh my local Bunnings had the MDF in thicker sizes and no one had a better price.

Dont get em to cut it though.....useless - they cant use a panel saw to save em selves - never have I had accurate square cuts from them - never! I dont like things being out by 1mm, especially doors etc

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post #639 of 1009 Old 01-22-2012, 01:06 AM
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I have had them cut my sheets for me because I dont have a trailer and they cut within 10-25mm.

I was just was trying to fit it into the car so I had them cut it down for me. PLUS I cant even get within 1-2mm precision but I do have a Router and that helps make everything the same.

Great looking door also. I thought about making my own door after years ago I helped my father make his dining room table which was solid oak and 2" thick. PLUS after seeing the costs of solid timber doors I might have to make that and my own Gyprock. LOL

But these forum threads are at least guiding me to what can be done on the moddest budget to extreme.(Peter M) Not saying anyone is spending more than the other but Peter seems to have a warehouse for a HT.
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post #640 of 1009 Old 01-22-2012, 03:26 AM
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Great update, love the work on the door. Having just completed my door a few months back, I went with an MDF door, and then 2 x 16mm sheets of MDF with GG in between, so similar sound stoppage to the 32mm probably. Your trim around the outside is a nice idea, something I might have to borrow to tidy up my edges
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post #641 of 1009 Old 01-22-2012, 04:42 AM - Thread Starter
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Great update, love the work on the door. Having just completed my door a few months back, I went with an MDF door, and then 2 x 16mm sheets of MDF with GG in between, so similar sound stoppage to the 32mm probably. Your trim around the outside is a nice idea, something I might have to borrow to tidy up my edges

Hi there Peter,
How are things mate? Nice to hear from you! I am pretty happy with the door. It's very effective in keeping sound in the room. That was a bit of an awkward corner with the door jamb being so close to the side wall. Managed to stuff another few batts in their for extra insulation and then install some pine 70x45 timbers. MDF is screwed into the pine so there's a good base for the heavy door. Used long thick screws. Also beefed up the other side of the door frame with extra battens to stop any movement around the door. In fact, as I have used so much timber for the furring strips (90x45 untreated pine) the room feels very secure, even with the Danleys on tune. Had a mate of mine, who is a commercial carpet layer come over this evening. He brought over a sample of some leftover polypropylene black carpet he has. It's not the softest carpet in the world but at almost no cost, it seems like a good alternative right now. It is also a very serviceable carpet, and with Thomas reaching an age where the birthday parties will be starting soon, it seems like a good compromise. May have carpet by Friday, which would be nice. Have Monday to get into the remaining messy jobs and then hopefully I can get the Fabricmate track done soon. Looking forward to it!
Ordered your gyprock yet?????

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post #642 of 1009 Old 01-22-2012, 07:11 PM
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Hey Greg,

Lots of nice photos !

The door looks great and makes the whole room look properly finished. Are you around over the long weekend ? Maybe we can have a go at some EQ.

Cheers,
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post #643 of 1009 Old 01-23-2012, 01:31 AM - Thread Starter
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Hey Greg,

Lots of nice photos !

The door looks great and makes the whole room look properly finished. Are you around over the long weekend ? Maybe we can have a go at some EQ.

Cheers,

Hi Peter,
Yep, think I posted enough door photos. I do have more. Just let me know and I'm happy to indulge your furry door fetish!
Wish the room was finished.... Getting there but not quite yet. Won't be long I hope. Really looking forward to the time when, apart from some tweaking or upgrades, that there isn't anything to do but watch movies and enjoy my subs. I honestly don't know how some of the guys here manage the 3+ year builds. More patience than I!
Weekend eq tweaking would be great. I am around Saturday late afternoon, Sunday all day and Monday if you feel a cough coming on!
Let me know when suits.
Spent some more time in the room today. Dad gave me a hand painting while I worked out how to get the lights mounted up. I need to wire them in yet. The electrician is coming to wire up the dimmer switch on Friday at some point. Ran conduit for 2x HDMI cables from the projector to the equipment rack area as well as a separate conduit for the power cable. As much as I hated drilling holes in my walls I wanted to keep the power cable away from the signal cables.
Will hopefully get the fabric ordered this week. Projector is down at the moment so that's an incentive to push ahead.
Cheers all.

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post #644 of 1009 Old 01-24-2012, 04:01 AM
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At this stage it looks like early afternoon Sunday. I'll give you a call.

Cheers,
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post #645 of 1009 Old 01-27-2012, 02:19 PM - Thread Starter
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Farewells are always difficult, and this is no exception. For a long time now, you have been the light of my life, something that warmed my days and nights. Sometimes too warm. We have worked together, sweat together, bled together and at some times, almost given up together. I would have been lost without you. I know sometimes I treated you badly and I know that you are not the same as when we first met. Our relationship has certainly taken its toll on you and for that I apologise. There were times when our relationship was uneasy and I thought that things just were not going to work out. However, when I look back, ours was perhaps the lowest maintenance relationship I have experienced in years. I thank you for sticking by me, for showing me the bright side of life whereas without you there was only darkness and confusion. It's time to say goodbye, my good friend..... Amigos Para Semprie...



Yippee! Lights are up. No more working under floodlights! I never thought I would see the end of having the floodlights in my room but I am pleased to say that they are no more. I had the electrician install my touch dimmer switch on Thursday and I now have lights... six in fact. And they are not hot to work under and I don't watch my meter tick over every time I turn them on! I probably could have done it myself but I had a spaghetti factory of wires coming out my wall. I was unsure as to whether I would be installing more dimmer switches to operate the banks of sconce lights independently. Turns out that one switch is fine and the lowest setting is fine for watching films. I may even just turn them off and program my Harmony remote to turn them on when the movie is paused. Here are some pictures of the wiring mess and the dimmer switch. It's a touch sensitive glass unit.





First step of my job was was working out a way to mount the lights onto the wall. At this stage, I am going to reserve judgement on building columns and simply fabric the existing column locations. This meant building the lights out about 1/2 inch to sit flush with the fabric track. Just ended up sawing some 12mm (1/2 inch) timber shims and mounting them under the timber battens.







The fabric track now sits flush with the light batten strip so the fabric will pull across easily without bulges or hollows. I may build columns later down the track but more likely they will be velcro attached and be independent of the wall. This will make it much simpler to gain access to the speakers later if necessary.

Here are some pics of the lights on in the theatre....









and a picture of my sconce



So, that's where I am up to as this point. I have a couple of things to tidy up now. Next is to install a biometric lock on the theatre door to keep unescorted persons out (maybe 4 year olds for instance!). I have installed the vast majority of my wall treatments and they have made a massive improvement to the sound pre-treatment. Will wait until the subs are tuned in before I work out if more or less are required. Really looking forward to that process.

I made a decision on the carpet. I am going for a nicer carpet. Originally decided on a harder wearing floor covering but in the end, I haven't come this far to put down something that I am less than 100% happy with. Located a very nice 100% wool loop pile carpet in a colour called 'onyx' which is very dark. Has a very slight brown / grey appearance but will be black in the room. I am hoping it will be down in the next week, or otherwise when I come back from holidays. Taking another week away with Thomas to Coffs harbour. Should be nice.

Having a few issues with the chief projector mount. Hope that Peter M will be a font of knowledge when he arrives on Sunday.....

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post #646 of 1009 Old 01-27-2012, 02:29 PM - Thread Starter
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and before anyone asks, that is just a bit of fabric I have stretched across the frame (and not very well). Just a temp screen until I am almost at the end of the process. It's amazing how visible those timbers are under the screen. They will be painted black.... Still, it looks great to have a 'defined' screen area.

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post #647 of 1009 Old 01-27-2012, 02:33 PM
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Lookin real good! not long now

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post #648 of 1009 Old 01-27-2012, 02:59 PM - Thread Starter
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Lookin real good! not long now

Hi there Peter,
How are you? Been a while. You are most welcome to come around tomorrow for subs tuning and demo fun if you like. It's Peter M's big opportunity to impress us with his sub tuning abilities! I'll even shout Crownies if you're keen. I also have those 1 RU blanking plates here for you.
Let me know if you'll be around.
Greg.

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post #649 of 1009 Old 01-27-2012, 03:14 PM
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Hi there Peter,
How are you? Been a while.

Been busy finishing my study fitout - in the spirit of non-related dedicated theater builds, I'll post an update as a shameless bump for my piss poor excuse of a build thread shortly

Also been to Ikea for baby room furniture.....and Big W.....and Mybabywarehouse......and Babies Galore......a breast pump is the only thing left on the to do list - I'm going to ask a mate of mine that owns a dairy

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post #650 of 1009 Old 01-27-2012, 04:02 PM - Thread Starter
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You sure are a brave man making comments like that.... safe in the knowledge that Lisa will never read them. If it ever hits the fan, I sure want you in my corner!!!

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post #651 of 1009 Old 01-27-2012, 08:22 PM
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Wow Greg! It's been a little while since I read your thread. Your progress lately has been amazing. I really like the seats, especially the color. Very sleek. Keep up the great work.

Cory

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post #652 of 1009 Old 01-28-2012, 02:54 AM - Thread Starter
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Wow Greg! It's been a little while since I read your thread. Your progress lately has been amazing. I really like the seats, especially the color. Very sleek. Keep up the great work.

Cory

Hey Cory,
Thanks for the kind words mate. I've been working whenever I can on the room. It's been a lot of work and it's normally been done at times when the last thing I felt like doing was working! I'm sure it's a typical story in these parts. I have enjoyed it but man, I'm tired! Looking forward to having nothing to do but watch movies and have my innards pummeled by subs! Won't be long now. I'm sure it will never be truly finished but I need to take a break, time wise and financially. I am happy now with how it sounds. Subs will hopefully be singing after a tuning tomorrow from the local resident guru on the Behringer DCX2496... Peter M. Just need to get the carpet and walls done and I will be close to finished. Nice!!!!
The seats have turned out to be great. Not sure how much the Berklines are that you guys all seem to use, but these seats were very reasonable at 1500 dollars for 4 and they are super comfortable. So much so that I find myself nodding off on a regular basis! Maybe too comfortable!
Will hopefully have more updates soon.
Cheers for now
Greg.

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post #653 of 1009 Old 01-28-2012, 03:06 PM
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Hope you and Peter manage to make some progress today with the EQ!

Here are the filters as recommended by Tom Danley. He also suggested a High Pass filter at 11hz (butterworth). My memory isn't 100% on that high pass, but the other four are.

PEQ minus 8.4dB @ 55Hz, Q=8.9 BW=0.162 BFD=9.7
PEQ minus 4.6dB, @ 29Hz, Q=5 BW=0.2881 BFD=17.3
PEQ minus 7.5dB @ 84Hz, Q=2.8 BW=0.5125 BFD=30.8
PEQ minus 14.4dB @ 154Hz, Q=1.1 BW=1.2701 BFD=76.


The BFD number is the one you use. It's the same as the "Q" and the "BW" (bandwidth).

In my experience, in my room, I prefer these settings to a flatter response. Try both. I also ended up adding in a +3db at 20hz for taste. Wouldn't do that if I pushed the limits, but I'm typically 15-20db from the limits.

Give us a report as soon as you can.

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post #654 of 1009 Old 01-29-2012, 02:58 AM - Thread Starter
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Hi there Tony,
Appreciate you publishing the filters for me.
Had a good time today. Thanks to the two Peters for coming over. Was nice to get some feedback on the room progress and to share some demo clips. A big thanks to Peter M, who made some sense of my room equalization. We started right at the beginning. As I thought, my subs were running way too hot. Probably a dead give away was my house eaves rattling when Peter M arrived! Also that he was knocking on the door for quite some time before we heard him. Oops.

First step was to take everything back to scratch and calibrate the speakers. They were all over the place to compensate for the subs running so hot. Using a test disc, Peter then took some db readings. Was interesting and I did realise what well tuned subs these Danleys really are. Very linear in their response. After setting five filters, they sound great and much better tuned for the room. Much, much better. They are not wringing my guts out like they are probably capable of but they are providing very satisfying levels of clean, effortless bass without sounding muddy or incoherent. I'm really happy with the outcome. Thanks again Peter for bringing your kit over and taking the time to help out. Thanks also to Peter Elill, who carefully scrutinized the whole process, drank my beer and ate my pizza. top effort that! Good to see you again.
Of course, there will probably be that nagging thought that I am not pushing these subs to their limits, but I am confident that they are operating at a point whereby they provide accurate performance at a listening level that is way past what I really should listen at for the sake of my hearing and the good of the neighbors. I have a better idea of the DCX2496 now. Great piece of equipment that I have only just scratched the surface of.
Watched the Green Lantern tonight on BD and it was great. The room sounds considerably more balanced and with the speakers and subs properly calibrated for the theatre, there was plenty of energy within the room without it being uncomfortable or grating. Just what I was looking for.
Cheers all.
Greg

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post #655 of 1009 Old 01-29-2012, 03:21 AM
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It was a very good afternoon, thanks for hosting Greg! I learnt a fair bit as well.

I think if it were my room and i had a week or two to do it, I'd take measurements across all seats, take the smallest R^2 across the lot and EQ for that.....being particularly, particular about it. Not sure if that is the right approach. I bet there are all sorts of useful filters we could use as well.

In saying all that. I reckon where we got to today was pretty darn good!

Peter the Greek

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Redefining snail pace construction
"what is worth knowing is difficult to learn"

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post #656 of 1009 Old 01-29-2012, 03:40 AM - Thread Starter
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Hi Peter, thanks for coming over. Nice to catch up. We need to drink that red. I forgot all about it when I heard 20hz tones. Quite distracting! I may look at some other filter points down the track..I honestly think you could spend weeks and weeks tweaking but I am really happy with what was decided today. Maybe when the room is finished and there is no more building to do, we can look at some other filters.
Glad to hear that things are going well for you guys as well. Good news!
Cheers
Greg.

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post #657 of 1009 Old 01-29-2012, 06:52 PM
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Hi Greg,

Firstly, gotta say how impressed I am with the subs ! Standing outside the house when I first arrived listening to the eaves rattling was hilarious !

I think we achieved a good first effort, but I'm keen to have another go after the room is finished. All the things we discussed (carpet, front speaker height, AT screen, additional wall treatments, seat locations) need to be done before final calibration. Hopefully next time I can be better prepared and then we can try the PC - DCX control and REW.

The only thing on the DCX that was a bit frustrating is the limit on narrow filters. Your room modes really needed us to go narrower. This has got me thinking again about my room and how I'll EQ my subs. Does anyone know how narrow you can go with the MiniDSP PEQ filters ?

Cheers,
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post #658 of 1009 Old 01-30-2012, 12:45 AM
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It certainly motivated me to try to get my testing rig working....might play around with it this week with any luck

Peter the Greek

Downunder Theatre MkII
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post #659 of 1009 Old 01-30-2012, 04:19 AM - Thread Starter
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Hi guys. Watched independence day on Blu ray today. Still good after all these years.... And the subs were unbelievable! Very happy!

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post #660 of 1009 Old 01-30-2012, 05:31 AM
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Hi Greg, looks great!! Tell me, how loud is your aircon? I also have a 18000 btu split-unit in my HT. Mine is LOUD but I don't know if it's just because I haven't put up any sound treatments yet and the room still has a big echo.

Anyway gret build so far, enjoy mate!

Will
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